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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0060">Introduction</span><p id="par0140" class="elsevierStylePara elsevierViewall">Acute heart failure &#40;AHF&#41; is a major public health concern because of its increasing prevalence and associated high morbidity&#44; mortality and costs&#46;<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1&#8211;5</span></a> Despite being one of the most frequent reasons for hospitalization in western countries&#44; it has received much less attention than chronic heart failure &#40;CHF&#41;&#44; and large-scale studies specifically addressing AHF are relatively scarce&#46;<a class="elsevierStyleCrossRefs" href="#bib0030"><span class="elsevierStyleSup">6&#44;7</span></a></p><p id="par0145" class="elsevierStylePara elsevierViewall">AHF is associated with a high rate of rehospitalization but little is known regarding the most relevant predictive factors&#46; It is therefore important to develop appropriate predictive models that might help to appropriately stratify AHF patients and improve their management and follow-up&#46;<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">8</span></a></p><p id="par0150" class="elsevierStylePara elsevierViewall">Moreover&#44; although several studies have been conducted in Europe and the USA on the clinical characteristics&#44; treatment and outcome of AHF patients&#44; little information is available on this subject in Portugal&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a></p><p id="par0155" class="elsevierStylePara elsevierViewall">In the present study we describe the clinical characteristics&#44; hospital management and outcomes of AHF patients admitted to a Portuguese cardiology department&#44; and present a predictive model for readmission or death at 12 months in this population&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Objectives</span><p id="par0160" class="elsevierStylePara elsevierViewall">The primary objective of this study was to describe the clinical characteristics&#44; hospital management and outcomes of patients hospitalized with AHF&#46;</p><p id="par0165" class="elsevierStylePara elsevierViewall">The secondary objectives were&#58;<ul class="elsevierStyleList" id="lis0005"><li class="elsevierStyleListItem" id="lsti0005"><span class="elsevierStyleLabel">&#8226;</span><p id="par0170" class="elsevierStylePara elsevierViewall">to compare patients with AHF and acute coronary syndrome &#40;ACS&#41; as the precipitating factor vs&#46; patients with AHF and no ACS&#59;</p></li><li class="elsevierStyleListItem" id="lsti0010"><span class="elsevierStyleLabel">&#8226;</span><p id="par0175" class="elsevierStylePara elsevierViewall">to compare drug prescriptions on admission and at discharge&#59;</p></li><li class="elsevierStyleListItem" id="lsti0015"><span class="elsevierStyleLabel">&#8226;</span><p id="par0180" class="elsevierStylePara elsevierViewall">to identify factors associated with longer hospital length of stay &#40;LOS&#41;&#59;</p></li><li class="elsevierStyleListItem" id="lsti0020"><span class="elsevierStyleLabel">&#8226;</span><p id="par0185" class="elsevierStylePara elsevierViewall">to identify risk factors for heart failure &#40;HF&#41; rehospitalization or death&#46;</p></li></ul></p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Methods</span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Study description</span><p id="par0190" class="elsevierStylePara elsevierViewall">This was a hospital-based observational retrospective cohort study&#44; conducted at the Cardiology Department of Hospital de S&#46; Jo&#227;o&#44; Porto&#44; Portugal&#46; Demographic&#44; clinical and follow-up data were collected between February 1&#44; 2011 and December 31&#44; 2011&#44; ensuring a minimum follow-up of one year for all patients&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Inclusion criteria</span><p id="par0195" class="elsevierStylePara elsevierViewall">All patients admitted to the cardiology department between January 1 and December 31&#44; 2010 were screened&#46; Paper-based and computerized clinical records on the 924 patients admitted during the study period were retrieved and analyzed by one investigator in order to find eligible patients who met one of the following inclusion criteria&#58;<ul class="elsevierStyleList" id="lis0010"><li class="elsevierStyleListItem" id="lsti0025"><span class="elsevierStyleLabel">&#8226;</span><p id="par0200" class="elsevierStylePara elsevierViewall">Primary diagnosis of AHF according to ESC criteria<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a>&#59;</p></li><li class="elsevierStyleListItem" id="lsti0030"><span class="elsevierStyleLabel">&#8226;</span><p id="par0205" class="elsevierStylePara elsevierViewall">AHF secondary to another acute cardiac event<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a>&#59;</p></li><li class="elsevierStyleListItem" id="lsti0035"><span class="elsevierStyleLabel">&#8226;</span><p id="par0210" class="elsevierStylePara elsevierViewall">Acute myocardial infarction classified as Killip II&#8211;IV&#46;</p></li></ul></p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Exclusion criteria</span><p id="par0215" class="elsevierStylePara elsevierViewall">Scheduled hospitalizations or hospitalizations in the context of cardiac surgery were considered exclusion criteria&#46;</p><p id="par0220" class="elsevierStylePara elsevierViewall">In order to avoid duplicate records&#44; readmissions to the hospital during the study period were not counted as new cases&#46;</p></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Data collection</span><p id="par0225" class="elsevierStylePara elsevierViewall">Data on patient demographics&#44; cardiovascular risk factors&#44; comorbidities and history of cardiac disease or HF&#44; and results of ECG&#44; hemodynamic&#44; echocardiographic examinations and laboratory tests were collected&#44; as well as on the etiology and the possible precipitating factors of AHF&#44; drug prescriptions before and following admission&#44; concomitant medication and the main diagnostic or therapeutic procedures performed during hospitalization&#46; The hospital LOS of patients was also recorded&#59; in cases of patients transferred to another hospital or to another ward&#44; it was recorded at the time of transfer&#46; Data regarding death or rehospitalization were obtained from the patient&#39;s electronic record and did not include admissions to another hospital or death not recorded in the hospital&#39;s administrative or clinical database&#46; For all living patients&#44; the follow-up period ended on December 31&#44; 2011&#46;</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Data analysis</span><p id="par0230" class="elsevierStylePara elsevierViewall">Categorical variables were presented as counts and percentages&#44; and quantitative variables as means and standard deviation &#40;SD&#41; or medians and 25th percentile&#8211;75th percentile &#40;p25&#8211;p75&#41; as appropriate&#44; depending on the empirical distribution of the variables&#46;</p><p id="par0235" class="elsevierStylePara elsevierViewall">Subgroups of patients were compared using the chi-square test or Fisher&#39;s exact test for categorical variables and the t test and Mann&#8211;Whitney rank-sum test for symmetrical and asymmetrical quantitative variables&#44; respectively&#46; The normality of the distribution of quantitative variables was assessed by the Kolmogorov&#8211;Smirnov test&#46;</p><p id="par0240" class="elsevierStylePara elsevierViewall">Simple and multiple linear regression models were used to analyze the variable LOS&#44; which was logarithmically transformed in order to normalize its initially asymmetrical distribution&#46; Survival analysis was used to analyze determinants of rehospitalization or death&#46; For graphs of survival probability&#44; the crude effect of each variable was tested with the log-rank test and multivariate analysis was performed using the Cox regression model&#46; In the final analysis&#44; all variables were taken into account to obtain a fully adjusted model&#46; For each variable the assumption of proportional hazards was tested&#46;</p><p id="par0245" class="elsevierStylePara elsevierViewall">In univariate and multivariate regression analysis&#44; the dependent variables were LOS and an adverse event&#44; defined as HF rehospitalization or death during the follow-up period&#46; The independent variables were age&#44; gender&#44; ischemic etiology&#44; type &#40;new-onset vs&#46; decompensated chronic HF&#41;&#44; history of HF hospitalization in the previous 12 months&#44; obesity&#44; diabetes&#44; intensive cardiac care unit &#40;ICCU&#41; admission&#44; LOS and the following admission findings&#58; systolic blood pressure &#60;100<span class="elsevierStyleHsp" style=""></span>mmHg&#44; heart rate &#60;70 bpm&#44; serum sodium &#60;135 mmol&#47;l&#44; serum potassium &#62;4&#46;3<span class="elsevierStyleHsp" style=""></span>mmol&#47;l&#44; creatinine clearance &#60;30<span class="elsevierStyleHsp" style=""></span>ml&#47;min&#44; anemia &#40;hemoglobin lower than 130<span class="elsevierStyleHsp" style=""></span>g&#47;l in men and 120<span class="elsevierStyleHsp" style=""></span>g&#47;dl in women&#41;&#44; serum B-type natriuretic peptide &#40;BNP&#41; &#62;500 pg&#47;ml&#44; atrial fibrillation &#40;AF&#41;&#44; and left ventricular ejection fraction &#40;LVEF&#41; &#60;50&#37;&#46; In the independent variables&#44; the variable etiology was included instead of ACS as precipitating factor&#44; since there was a close association between the two variables but etiology was considered more informative&#46;</p><p id="par0250" class="elsevierStylePara elsevierViewall">All tests were two-sided and p values less than 0&#46;05 were considered as indicating significant differences&#46; The analysis was performed using SPSS 18&#46;0 for Windows statistical software&#46;</p></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Ethics</span><p id="par0255" class="elsevierStylePara elsevierViewall">The study was carried out according to the principles of the Declaration of Helsinki and was approved by the hospital&#39;s ethics committee&#46;</p></span></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Results</span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Baseline characteristics</span><p id="par0260" class="elsevierStylePara elsevierViewall">Of a total of 924 patients admitted to the cardiology department over a period of one year&#44; 201 &#40;21&#37;&#41; presenting with AHF were enrolled&#46; Patients&#8217; baseline characteristics are summarized in <a class="elsevierStyleCrossRefs" href="#tbl0005">Tables 1 and 2</a>&#46; New-onset AHF occurred in more than 50&#37; of cases&#46; Hypertension and coronary heart disease &#40;CHD&#41; were the most prevalent underlying diseases&#44; but all the cardiovascular risk factors were relatively frequent&#46; The most common precipitating factor was ACS &#40;63&#46;3&#37; of patients&#41;&#44; followed by arrhythmia &#40;14&#46;4&#37; of patients&#41;&#46; The most frequent clinical presentation by far was HF in the context of ACS&#44; followed by chronic decompensated heart failure &#40;CDHF&#41; and pulmonary edema&#46; Interestingly&#44; pulmonary edema was approximately twice as common in patients presenting with ACS than in those with no ACS&#44; while CDHF was approximately three times more frequent in those without ACS than in those with&#46; The majority of patients had reduced LVEF on admission&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0265" class="elsevierStylePara elsevierViewall">Patients presenting with ACS were significantly younger&#44; more often women and less likely to have a history of HF&#59; they more often had chronic hypertension and CHD&#46; On the other hand&#44; patients without ACS more frequently had valvular disease and dilated cardiomyopathy&#44; left ventricular hypertrophy pattern on the ECG&#44; larger left atrial diameter and AF&#46;</p></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Hospital course and management</span><p id="par0270" class="elsevierStylePara elsevierViewall">Echocardiographic examination and BNP measurement were performed in most patients and the majority were admitted to the ICCU and underwent coronary angiography&#46; Overall use of in-hospital resources was similar in both ACS and non-ACS groups &#40;<a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a>&#41;&#44; although a higher proportion of ACS patients were admitted to the ICCU&#46; Non-invasive ventilation&#44; intravenous nitrates and diuretics were the basis of therapy and the first two were more often used in ACS patients&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia></span><span id="sec0065" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Discharge characteristics</span><p id="par0275" class="elsevierStylePara elsevierViewall">Comparing admission with discharge&#44; we observed a significant drop in body weight &#40;median &#8722;3<span class="elsevierStyleHsp" style=""></span>kg &#91;p25&#8211;p75&#58; &#8722;6&#8211;0&#93;&#59; p&#60;0&#46;001&#41;&#44; systolic blood pressure &#40;mean &#8722;17&#46;1<span class="elsevierStyleHsp" style=""></span>mmHg&#59; SD 29&#46;7&#59; p&#60;0&#46;001&#41;&#44; heart rate &#40;mean &#8722;18&#46;7 bpm&#59; SD 32&#46;4&#59; p&#60;0&#46;001&#41; and BNP &#40;median &#8722;203&#46;5 pg&#47;dl &#91;p25&#8211;p75&#58; &#8722;850&#46;5&#8211;74&#46;9&#93;&#59; p&#60;0&#46;001&#41;&#46; There was no improvement in creatinine clearance&#44; serum sodium and potassium&#44; or serum hemoglobin&#46; The rate of prescription of all cardiovascular drugs increased from admission to discharge&#44; apart from digoxin and calcium channel blockers &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Figure 1</a>&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia></span><span id="sec0070" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0125">Hospital stay and follow-up</span><p id="par0280" class="elsevierStylePara elsevierViewall">Total LOS was similar in the two groups &#40;median 11 days&#41;&#46; In-hospital mortality was 5&#46;5&#37; and was not significantly different between the two groups&#46; The rate of rehospitalization for HF was 20&#46;9&#37; and 23&#46;9&#37; at six and 12 months&#44; respectively&#46; Most readmissions occurred within six weeks after the index event&#46; All-cause mortality was 10&#46;9&#37; and 15&#46;9&#37; at six and 12 months&#44; respectively&#46; The variables independently associated with a longer LOS were history of HF hospitalization in the previous year &#40;p&#61;0&#46;040&#41;&#44; BNP &#62;500 pg&#47;ml &#40;p&#60;0&#46;001&#41; on admission and ICCU admission &#40;p&#61;0&#46;002&#41; &#40;Table 1S in Supplementary Material&#41;&#46;</p><p id="par0285" class="elsevierStylePara elsevierViewall">The most important variables predictive of the combined endpoint of rehospitalization or death during follow-up were history of HF hospitalization in the previous year &#40;hazard ratio &#91;HR&#93; 3&#46;177 &#91;1&#46;405&#8211;7&#46;185&#93;&#41;&#44; serum sodium<span class="elsevierStyleHsp" style=""></span>&#60;135 mmol&#47;l on admission &#40;HR 1&#46;995 &#91;1&#46;032&#8211;3&#46;856&#93;&#41; and AF &#40;HR 1&#46;791 &#91;1&#46;021&#8211;3&#46;142&#93;&#41;&#46; Reduced LVEF &#40;HR 0&#46;518 &#91;0&#46;268&#8211;0&#46;998&#93;&#41; was associated with a lower risk of rehospitalization or death &#40;Table 2S in Supplementary Material&#41;&#46;</p></span></span><span id="sec0075" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0130">Discussion</span><p id="par0290" class="elsevierStylePara elsevierViewall">Hospitalizations due to AHF are associated with high mortality and readmission rates&#44; and represent about 70&#37; of all costs associated with HF&#46;<a class="elsevierStyleCrossRefs" href="#bib0050"><span class="elsevierStyleSup">10&#44;11</span></a> They typically occur in internal medicine or cardiology departments and thus most studies include a mixed population from both provenances&#46;</p><p id="par0295" class="elsevierStylePara elsevierViewall">Clinical information provided by hospital-based studies is crucial to our understanding of the contemporary clinical characteristics of AHF&#44; including key prognostic factors and details regarding clinical presentation and medical therapy&#46; We therefore conducted a hospital-based observational retrospective study in order to identify the particular characteristics of AHF patients admitted exclusively to a cardiology department&#46;</p><span id="sec0080" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0135">Demographics&#44; underlying diseases&#44; type of onset&#44; precipitating factors and clinical presentation of acute heart failure</span><p id="par0300" class="elsevierStylePara elsevierViewall">In our study&#44; the mean age and gender distribution of patients were similar to those of previous AHF registries in Europe and elsewhere<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">7&#44;12</span></a> and in the USA&#46;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">13</span></a> However&#44; our patients were younger and more often male than those included in an earlier Portuguese study performed in internal medicine wards&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a> Unlike in many previous reports&#44; the majority of our patients had reduced LV function&#44; which was perhaps a consequence of the high prevalence of ACS in our population&#46; Interestingly&#44; a recent Italian study<a class="elsevierStyleCrossRef" href="#bib0070"><span class="elsevierStyleSup">14</span></a> also showed that patients admitted to cardiology departments were younger&#44; more often male and more likely to have reduced LVEF than patients in internal medicine wards&#44; which is in agreement with our findings but not with the aforementioned Portuguese study&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a></p><p id="par0305" class="elsevierStylePara elsevierViewall">Cardiovascular disease was common among our patients&#44; most frequently CHD and hypertension&#44; as observed in previous international surveys&#46;<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">7&#44;12&#44;13</span></a> Conventional cardiovascular risk factors&#44; such as obesity&#44; diabetes and dyslipidemia&#44; were also very frequent&#46; The prevalence of noncardiovascular comorbidities was similar to that observed in previous surveys <a class="elsevierStyleCrossRefs" href="#bib0060"><span class="elsevierStyleSup">12&#44;13</span></a>&#46; Chronic pulmonary diseases&#44; anemia and kidney disease were common&#44; with mean creatinine clearance compatible with grade 3 renal failure&#46; This was similar to that observed in ADHERE&#44;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">13</span></a> highlighting the importance of heart-kidney interaction in AHF&#46;</p><p id="par0310" class="elsevierStylePara elsevierViewall">Most patients had new-onset HF&#44; particularly those with an ACS as precipitating factor&#46; The prevalence of new-onset AHF was much higher than in EHFSII<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a> and ALARM-HF&#46;<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">7&#44;13</span></a></p><p id="par0315" class="elsevierStylePara elsevierViewall">ACS was the precipitating factor in nearly two-thirds of patients&#46; This was almost twice the figure observed in reports<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">7&#44;12</span></a> that included patients of mixed provenance &#40;from internal medicine and cardiology departments&#41;&#46; Arrhythmias were the second most frequent precipitating factor and were more common in the non-ACS group&#46; They were mostly of supraventricular origin&#44; which is in line with previous reports of the high frequency of AF among AHF patients&#46;</p><p id="par0320" class="elsevierStylePara elsevierViewall">As in EHFSII<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a> and ALARM-HF&#44;<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a> two of the most common clinical presentations of AHF in our population were CDHF and pulmonary edema&#46;</p></span><span id="sec0085" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0140">Diagnostic investigations and treatment</span><p id="par0325" class="elsevierStylePara elsevierViewall">ECG&#44; BNP measurement and echocardiographic examination were performed in nearly all patients on admission or within the first days of hospitalization&#44; showing good adherence to the European Society of Cardiology &#40;ESC&#41; HF guidelines&#46;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> The high prevalence of ACS explains why coronary angiography was performed in more than two-thirds of our patients and why a considerably higher percentage of them were admitted to the ICCU&#44; compared to EHFSII&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a></p><p id="par0330" class="elsevierStylePara elsevierViewall">As previously reported by others&#44;<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">7&#44;12&#44;13</span></a> ventilatory support and intravenous diuretic therapy played a central role in acute management&#46; Non-invasive ventilation was used in the majority of patients&#46; The frequency of administration of intravenous nitrates was similar to that in previous surveys&#44;<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">7&#44;12&#44;13</span></a> while the use of inotropes was nearly half&#46; Approximately one-third of the patients presented with ST-segment elevation myocardial infarction and underwent percutaneous coronary intervention&#46; This was considerably more frequent than in ADHERE<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">13</span></a> and EHFSII&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a></p><p id="par0335" class="elsevierStylePara elsevierViewall">The observed decrease in body weight&#44; heart rate and BNP at discharge reflected clinical improvement with therapy&#46; Interestingly&#44; blood pressure fell&#44; but no improvement in serum creatinine value was observed&#44; which demonstrates the limitations of current therapeutic options regarding renal function&#46;</p><p id="par0340" class="elsevierStylePara elsevierViewall">The prescription of drugs recommended for HF&#44; CHD and hypertension increased significantly from admission to discharge&#46; However&#44; the proportion of patients taking angiotensin converting-enzyme inhibitors &#40;ACEIs&#41; or angiotensin receptor blockers &#40;ARBs&#41; was lower than in EHFSII<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a>&#59; a possible explanation for this may be the proportion of our patients &#40;26&#46;8&#37;&#41; with HF and preserved LVEF&#44; for which these drugs are not formally indicated&#46; By contrast&#44; the levels of prescription of beta-blockers&#44; statins&#44; aspirin&#44; clopidogrel and nitrates at discharge exceeded that of EHFSII&#44;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a> possibly because ACS was more frequent in our study than in that survey and these drugs are recommended for secondary prophylaxis of ACS&#46;</p></span><span id="sec0090" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0145">Length of stay&#44; outcomes and follow-up of acute heart failure patients &#40;<a class="elsevierStyleCrossRef" href="#tbl0020">Table 4</a>&#41;</span><p id="par0345" class="elsevierStylePara elsevierViewall">The overall LOS was 11 days&#44; two days longer than in EHFSII<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a> and ALARM-HF<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a> and almost three times that reported in ADHERE&#46;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">13</span></a> The median ICCU stay was six days&#44; twice that reported in EHFSII<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a> and ALARM-HF&#46;<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a> However&#44; in our case&#44; in-hospital mortality was 5&#46;5&#37;&#44; which was lower than in EHFSII<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a> &#40;6&#46;6&#37;&#41; and ALARM-HF<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a> &#40;12&#37;&#41;&#46; The large-scale US surveys ADHERE<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">13</span></a> and OPTIMIZE-HF<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">15</span></a> reported in-hospital mortality of nearly 4&#37;&#44; which is even lower than ours&#46; Nonetheless&#44; this low in-hospital mortality&#44; which may in part have been a consequence of the very short LOS&#44; was counterbalanced by higher readmission rate and long-term mortality &#40;for instance&#44; OPTIMIZE-HF<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">15</span></a> showed 90-day rehospitalization rates and mortality of 30&#37; and 35&#37;&#44; respectively&#41;&#46; It is possible that longer hospital stay could enable better patient stabilization&#44; reducing long-term morbidity and mortality&#46;</p><elsevierMultimedia ident="tbl0020"></elsevierMultimedia><p id="par0350" class="elsevierStylePara elsevierViewall">Our results reinforce the notion that AHF hospitalizations are associated with poor prognosis&#44; with more than one-third of patients dying or being rehospitalized over the subsequent year&#46;</p><p id="par0355" class="elsevierStylePara elsevierViewall">Our patients with new-onset AHF had a more severe clinical presentation&#44; which is consistent with ALARM-HF&#46;<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a> However&#44; in the long run patients with CDHF had a higher risk of rehospitalization or death&#46;</p><p id="par0360" class="elsevierStylePara elsevierViewall">The probability of being rehospitalized was highest during the first weeks after discharge from the index event&#44; which attests the need of an early medical appointment after discharge&#44; preferably in the setting of a particular HF management program&#46;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a></p></span><span id="sec0095" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0150">Predictive factors of longer hospitalization and adverse outcome</span><p id="par0365" class="elsevierStylePara elsevierViewall">The predictive factors for rehospitalization after an AHF event are largely unexplored in the literature&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">16</span></a> In our study a baseline BNP value higher than 500 pg&#47;ml was the most important factor associated with longer LOS&#44; followed by admission to the ICCU&#44; both indicating a more severe initial clinical picture&#46; History of HF hospitalizations in the previous year&#44; a recognized marker of bad prognosis&#44;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> was also associated with longer hospital stay and with a threefold increase in the risk of dying or being rehospitalized during the year after discharge&#46; AF also showed a significant association with increased risk of rehospitalization or death&#44; which is in keeping with literature on CHF&#46;<a class="elsevierStyleCrossRefs" href="#bib0015"><span class="elsevierStyleSup">3&#44;17&#8211;21</span></a></p><p id="par0370" class="elsevierStylePara elsevierViewall">Other variable also independently associated with a poor long-term outcome was serum sodium &#60;135<span class="elsevierStyleHsp" style=""></span>mmol&#47;l on admission&#44; while reduced LVEF was associated with better prognosis&#46; Together they can help to select high-risk patients for inclusion in specific HF clinic&#46; This is important&#44; since these management programs can reduce rehospitalizations and mortality&#44; are cost-effective and in the ESC guidelines have class I recommendation&#44; level of evidence A&#44; for recently hospitalized HF patients&#46;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> However&#44; in many countries&#44; due to financial constraints and insufficient manpower&#44; it is not possible to admit all hospitalized HF patients to an HF management program&#46; Thus&#44; identifying predictors of increased vulnerability can help to select patients most in need of these programs&#46;</p></span><span id="sec0100" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0155">Patients with vs&#46; without acute coronary syndrome as the precipitating factor</span><p id="par0375" class="elsevierStylePara elsevierViewall">Patients with an ACS typically presented left atrial dilatation&#44; preserved left ventricular dimensions and reduced LVEF on admission&#46; Left atrial dilatation was possibly a consequence of history of hypertension observed in more than 70&#37; of patients&#46; On the contrary&#44; in the early days of new-onset AHF due to an ACS&#44; the left ventricle would not have had sufficient time to undergo eccentric remodeling&#46;</p><p id="par0380" class="elsevierStylePara elsevierViewall">Patients with ACS had more frequent and longer ICCU admissions and were more often treated with non-invasive ventilation and intra-aortic balloon pump than those without ACS&#46; This suggests they have a worse initial clinical course&#46; Nonetheless&#44; there was no difference between groups in total hospital LOS&#44; readmission rate&#44; in-hospital mortality or mortality at six or 12 months&#46;</p></span><span id="sec0105" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0160">Study limitations</span><p id="par0385" class="elsevierStylePara elsevierViewall">An inherent limitation of this study derives from its retrospective nature&#46; An additional drawback is the possibility that death or rehospitalization occurring out of our institution during follow-up were not reported&#46; This could partly explain the observed low long-term rehospitalization and death rates&#46; However&#44; the consistency in the referral of patients indicates that this was probably not a major problem&#44; and moreover cannot explain the low rates of in-hospital mortality also found in our study&#46;</p></span></span><span id="sec0110" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0165">Conclusion</span><p id="par0390" class="elsevierStylePara elsevierViewall">Patients admitted to our cardiology department with AHF more typically presented new-onset AHF&#44; in the context of an ACS&#44; causing deterioration in LV systolic function&#46; They had longer LOS but lower 12-month readmission rate and mortality than reported in US and European studies&#46; Independent predictors of rehospitalization or death were HF hospitalization during the previous year&#44; serum sodium &#60;135 mmol&#47;l on admission and AF&#46; Reduced LVEF was associated with a decreased risk of rehospitalization or death&#46;</p></span><span id="sec0115" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0170">Ethical disclosures</span><span id="sec0120" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0175">Protection of human and animal subjects</span><p id="par0395" class="elsevierStylePara elsevierViewall">The authors declare that no experiments were performed on humans or animals for this study&#46;</p></span><span id="sec0125" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0180">Confidentiality of data</span><p id="par0400" class="elsevierStylePara elsevierViewall">The authors declare that they have followed the protocols of their work center on the publication of patient data and that all the patients included in the study received sufficient information and gave their written informed consent to participate in the study&#46;</p></span><span id="sec0130" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0185">Right to privacy and informed consent</span><p id="par0405" class="elsevierStylePara elsevierViewall">The authors have obtained the written informed consent of the patients or subjects mentioned in the article&#46; The corresponding author is in possession of this document&#46;</p></span></span><span id="sec0135" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0190">Conflicts of interest</span><p id="par0410" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interest to declare&#46;</p></span></span>"
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      "en" => array:2 [
        "titulo" => "Abstract"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0010">Introduction and Aims</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">We describe the clinical characteristics&#44; management and outcomes of patients hospitalized with acute heart failure in a south-west European cardiology department&#46; We sought to identify the determinants of length of stay and heart failure rehospitalization or death during a 12-month follow-up period&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0015">Methods and Results</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">This was a retrospective cohort study including all patients admitted during 2010 with a primary or secondary diagnosis of acute heart failure&#46; Death and readmission were followed through 2011&#46;</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Of the 924 patients admitted&#44; 201 &#40;21&#37;&#41; had acute heart failure&#44; 107 &#40;53&#37;&#41; of whom had new-onset acute heart failure&#46; The main precipitating factors were acute coronary syndrome &#40;63&#37;&#41; and arrhythmia &#40;14&#37;&#41;&#46; The most frequent clinical presentations were heart failure after acute coronary syndrome &#40;63&#37;&#41;&#44; chronic decompensated heart failure &#40;47&#37;&#41; and acute pulmonary edema &#40;21&#37;&#41;&#46; On admission 73&#37; had left ventricular ejection fraction &#60;50&#37;&#46; Median length of stay was 11 days and in-hospital mortality was 5&#46;5&#37;&#46; The rehospitalization rate was 21&#37; and 24&#37; at six and 12 months&#44; respectively&#46; All-cause mortality was 16&#37; at 12 months&#46; The independent predictors of rehospitalization or death were heart failure hospitalization during the previous year &#40;Hazard ratio &#8722; HR &#8722; 3&#46;177&#41;&#44; serum sodium &#60;135<span class="elsevierStyleHsp" style=""></span>mmol&#47;l on admission &#40;HR 1&#46;995&#41; and atrial fibrillation &#40;HR 1&#46;791&#41;&#46; Reduced left ventricular ejection fraction was associated with a lower risk of rehospitalization or death &#40;HR 0&#46;518&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0020">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Our patients more often presented new-onset acute heart failure&#44; due to an acute coronary syndrome&#44; with reduced left ventricular ejection fraction&#46; Several predictive factors of death or rehospitalization were identified that may help to select high-risk patients to be followed in a heart failure management program after discharge&#46;</p>"
      ]
      "pt" => array:2 [
        "titulo" => "Resumo"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0030">Introdu&#231;&#227;o e objetivos</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Dada a escassa informa&#231;&#227;o relativa aos internamentos por insufici&#234;ncia card&#237;aca aguda em servi&#231;os de Cardiologia portugueses&#44; procedemos &#224; sua caracteriza&#231;&#227;o&#46; Pretendemos identificar os determinantes de maior dura&#231;&#227;o de internamento e de rehospitaliza&#231;&#227;o ou morte aos 12 meses&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0035">M&#233;todos e resultados</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Realiz&#225;mos um estudo de cohort retrospetivo&#44; incluindo os doentes admitidos em 2010 com diagn&#243;stico prim&#225;rio ou secund&#225;rio de insufici&#234;ncia card&#237;aca aguda&#46; A ocorr&#234;ncia de morte ou rehospitaliza&#231;&#227;o foi acompanhada durante 2011&#46;</p><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Do total de 924 hospitaliza&#231;&#245;es&#44; 201 &#40;21&#37;&#41; apresentavam insufici&#234;ncia card&#237;aca aguda&#44; sendo o primeiro epis&#243;dio em 107 &#40;53&#37;&#41; das mesmas&#46; Os principais fatores precipitantes foram s&#237;ndrome coron&#225;ria aguda &#40;63&#37;&#41; e arritmia &#40;14&#37;&#41;&#46; As apresenta&#231;&#245;es cl&#237;nicas mais comuns foram insufici&#234;ncia card&#237;aca no contexto de s&#237;ndrome coron&#225;ria aguda &#40;63&#37;&#41;&#44; insufici&#234;ncia card&#237;aca cr&#243;nica descompensada &#40;46&#37;&#41; e edema pulmonar agudo &#40;21&#37;&#41;&#46; Na admiss&#227;o&#44; 73&#37; tinham fra&#231;&#227;o de eje&#231;&#227;o ventricular esquerda &#60; 0&#44;50&#46; A dura&#231;&#227;o mediana de internamento foi 11 dias e a mortalidade intra-hospitalar foi 5&#44;5&#37;&#46; A taxa de rehospitaliza&#231;&#227;o aos 6 e 12 meses foi 21&#37; e 24&#37;&#44; respetivamente&#46; A mortalidade por todas as causas&#44; aos 12 meses&#44; foi 16&#37;&#46; Os factores preditores de rehospitaliza&#231;&#227;o ou morte foram hospitaliza&#231;&#227;o por insufici&#234;ncia card&#237;aca aguda no ano anterior &#40;<span class="elsevierStyleItalic">Hazard ratio</span> &#8211; HR &#8211; 3&#44;177&#41;&#44; s&#243;dio s&#233;rico &#60; 135 mEq&#47;L na admiss&#227;o &#40;HR 1&#44;995&#41;&#44; fibrilha&#231;&#227;o auricular &#40;HR 1&#44;791&#41;&#46; Frac&#231;&#227;o de ejec&#231;&#227;o ventricular esquerda deprimida na admiss&#227;o associou-se a menor risco de rehospitaliza&#231;&#227;o ou morte &#40;HR 0&#44;518&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0040">Conclus&#245;es</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Os nossos doentes apresentavam mais frequentemente insufici&#234;ncia card&#237;aca aguda de novo&#44; com fra&#231;&#227;o de eje&#231;&#227;o ventricular esquerda deprimida&#44; no contexto de s&#237;ndrome coron&#225;ria aguda&#46; Os v&#225;rios fatores preditores de mortalidade ou rehospitaliza&#231;&#227;o identificados poder&#227;o contribuir para selecionar os doentes de alto risco que justificam acompanhamento especializado numa cl&#237;nica de insufici&#234;ncia card&#237;aca&#46;</p>"
      ]
    ]
    "apendice" => array:1 [
      0 => array:1 [
        "seccion" => array:1 [
          0 => array:4 [
            "apendice" => "<p id="par0420" class="elsevierStylePara elsevierViewall">The following are the supplementary data to this article&#58;<elsevierMultimedia ident="upi0005"></elsevierMultimedia></p>"
            "etiqueta" => "Appendix A"
            "titulo" => "Supplementary data"
            "identificador" => "sec0145"
          ]
        ]
      ]
    ]
    "nomenclatura" => array:1 [
      0 => array:3 [
        "identificador" => "nom0005"
        "titulo" => "<span class="elsevierStyleSectionTitle" id="sect0055">List of abbreviations</span>"
        "listaDefinicion" => array:1 [
          0 => array:1 [
            "definicion" => array:27 [
              0 => array:2 [
                "termino" => "ACEI"
                "descripcion" => "<p id="par0005" class="elsevierStylePara elsevierViewall">angiotensin-converting enzyme inhibitor</p>"
              ]
              1 => array:2 [
                "termino" => "ACS"
                "descripcion" => "<p id="par0010" class="elsevierStylePara elsevierViewall">acute coronary syndrome</p>"
              ]
              2 => array:2 [
                "termino" => "AF"
                "descripcion" => "<p id="par0015" class="elsevierStylePara elsevierViewall">atrial fibrillation</p>"
              ]
              3 => array:2 [
                "termino" => "AHF"
                "descripcion" => "<p id="par0020" class="elsevierStylePara elsevierViewall">acute heart failure</p>"
              ]
              4 => array:2 [
                "termino" => "ARB"
                "descripcion" => "<p id="par0025" class="elsevierStylePara elsevierViewall">angiotensin receptor blocker</p>"
              ]
              5 => array:2 [
                "termino" => "BB"
                "descripcion" => "<p id="par0030" class="elsevierStylePara elsevierViewall">beta-blocker</p>"
              ]
              6 => array:2 [
                "termino" => "BNP"
                "descripcion" => "<p id="par0035" class="elsevierStylePara elsevierViewall">B-type natriuretic peptide</p>"
              ]
              7 => array:2 [
                "termino" => "CCB"
                "descripcion" => "<p id="par0040" class="elsevierStylePara elsevierViewall">calcium channel blocker</p>"
              ]
              8 => array:2 [
                "termino" => "CDHF"
                "descripcion" => "<p id="par0045" class="elsevierStylePara elsevierViewall">chronic decompensated heart failure</p>"
              ]
              9 => array:2 [
                "termino" => "CHD"
                "descripcion" => "<p id="par0050" class="elsevierStylePara elsevierViewall">coronary heart disease</p>"
              ]
              10 => array:2 [
                "termino" => "CHF"
                "descripcion" => "<p id="par0055" class="elsevierStylePara elsevierViewall">chronic heart failure</p>"
              ]
              11 => array:2 [
                "termino" => "CI"
                "descripcion" => "<p id="par0060" class="elsevierStylePara elsevierViewall">confidence interval</p>"
              ]
              12 => array:2 [
                "termino" => "DBP"
                "descripcion" => "<p id="par0065" class="elsevierStylePara elsevierViewall">diastolic blood pressure</p>"
              ]
              13 => array:2 [
                "termino" => "ECG"
                "descripcion" => "<p id="par0070" class="elsevierStylePara elsevierViewall">electrocardiogram</p>"
              ]
              14 => array:2 [
                "termino" => "ESC"
                "descripcion" => "<p id="par0075" class="elsevierStylePara elsevierViewall">European Society of Cardiology</p>"
              ]
              15 => array:2 [
                "termino" => "HF"
                "descripcion" => "<p id="par0080" class="elsevierStylePara elsevierViewall">heart failure</p>"
              ]
              16 => array:2 [
                "termino" => "HR"
                "descripcion" => "<p id="par0085" class="elsevierStylePara elsevierViewall">hazard ratio</p>"
              ]
              17 => array:2 [
                "termino" => "ICCU"
                "descripcion" => "<p id="par0090" class="elsevierStylePara elsevierViewall">intensive cardiac care unit</p>"
              ]
              18 => array:2 [
                "termino" => "ICD"
                "descripcion" => "<p id="par0095" class="elsevierStylePara elsevierViewall">implantable cardioverter-defibrillator</p>"
              ]
              19 => array:2 [
                "termino" => "LAD"
                "descripcion" => "<p id="par0100" class="elsevierStylePara elsevierViewall">left atrial diameter</p>"
              ]
              20 => array:2 [
                "termino" => "LOS"
                "descripcion" => "<p id="par0105" class="elsevierStylePara elsevierViewall">length of stay</p>"
              ]
              21 => array:2 [
                "termino" => "LVED"
                "descripcion" => "<p id="par0110" class="elsevierStylePara elsevierViewall">left ventricular end-diastolic diameter</p>"
              ]
              22 => array:2 [
                "termino" => "LVEF"
                "descripcion" => "<p id="par0115" class="elsevierStylePara elsevierViewall">left ventricular ejection fraction</p>"
              ]
              23 => array:2 [
                "termino" => "MRA"
                "descripcion" => "<p id="par0120" class="elsevierStylePara elsevierViewall">mineralocorticoid receptor antagonist</p>"
              ]
              24 => array:2 [
                "termino" => "SBP"
                "descripcion" => "<p id="par0125" class="elsevierStylePara elsevierViewall">systolic blood pressure</p>"
              ]
              25 => array:2 [
                "termino" => "SD"
                "descripcion" => "<p id="par0130" class="elsevierStylePara elsevierViewall">standard deviation</p>"
              ]
              26 => array:2 [
                "termino" => "VT"
                "descripcion" => "<p id="par0135" class="elsevierStylePara elsevierViewall">ventricular tachyarrhythmia</p>"
              ]
            ]
          ]
        ]
      ]
    ]
    "multimedia" => array:6 [
      0 => array:7 [
        "identificador" => "fig0005"
        "etiqueta" => "Figure 1"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "gr1.jpeg"
            "Alto" => 1268
            "Ancho" => 2009
            "Tamanyo" => 137828
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Oral medication on admission and at discharge for acute heart failure patients&#46; McNemar test for related samples&#46; ACEI&#58; angiotensin-converting enzyme inhibitor&#59; ARB&#58; angiotensin receptor blocker&#59; BB&#58; beta-adrenergic receptor blocker&#59; CCB&#58; calcium channel blocker&#59; MRA&#58; mineralocorticoid receptor antagonist&#46;</p>"
        ]
      ]
      1 => array:7 [
        "identificador" => "tbl0005"
        "etiqueta" => "Table 1"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:2 [
          "leyenda" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">p value for difference between patients presenting with or without ACS&#46; Anemia defined as serum hemoglobin on admission &#60;130<span class="elsevierStyleHsp" style=""></span>g&#47;l for men and 120<span class="elsevierStyleHsp" style=""></span>g&#47;l for women&#59; all other comorbidities as reported&#46; ACS&#58; acute coronary syndrome&#59; AHF&#58; acute heart failure&#59; CDHF&#58; chronic decompensated heart failure&#59; HF&#58; heart failure&#59; ICD&#58; implantable cardioverter&#47;defibrillator&#59; SD&#58; standard deviation&#46;</p>"
          "tablatextoimagen" => array:1 [
            0 => array:2 [
              "tabla" => array:1 [
                0 => """
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                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">All patients &#40;n&#61;201&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">Patients with ACS &#40;n&#61;127&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">Patients without ACS &#40;n&#61;74&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">p&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Number &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">201&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">127 &#40;63&#46;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">74 &#40;36&#46;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
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                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Age&#44; mean &#40;SD&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">69 &#40;13&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">71 &#40;11&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">66 &#40;14&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">0&#46;018&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Male &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">60&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">55&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">70&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t">0&#46;034&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Body mass index &#40;kg</span>&#47;<span class="elsevierStyleItalic">m</span><span class="elsevierStyleSup">2</span>&#41;&#44; <span class="elsevierStyleItalic">mean &#40;SD&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">26 &#40;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">26 &#40;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t">26 &#40;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">0&#46;459&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Cardiovascular disease &#40;&#37;&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Chronic hypertension&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">66&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t">72&#46;4&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">55&#46;4&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0&#46;014&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Coronary artery disease&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">38&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">44&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">27&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;012&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Valvular disease&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">31&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Dilated cardiomyopathy&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">17&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Comorbidities &#40;&#37;&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Diabetes&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">37&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">37&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">39&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;758&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Obesity&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">31&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">22&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">45&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Dyslipidemia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">51&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">54&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">45&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;251&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Smoking&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">35&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">37&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">31&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;337&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Chronic pulmonary disease&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">10&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">16&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;215&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Chronic kidney disease&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">19&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">15&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">27&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;037&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Anemia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">35&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">33&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">40&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;287&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Active cancer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Psychiatric disorder&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;098&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Alcohol abuse&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">9&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;508&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Pacemaker implanted &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;103&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">ICD &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;5&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">0&#46;0&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">9&#46;5&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">HF hospitalization within last 12 months &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t">14&#46;9&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">8&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">25&#46;7&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">New-onset AHF &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">53&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">74&#46;0&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">17&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Precipitating factors on admission &#40;&#37;&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>ACS&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">63&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">127&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
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                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Arrhythmia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">39&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
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                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Drug or dietary noncompliance&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">21&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
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                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Valve disease&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">18&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Infection&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">16&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
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                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Clinical presentation &#40;&#37;&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>CDHF&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">46&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">26&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">82&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Pulmonary edema&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">21&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">26&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">13&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;038&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Hypertensive HF&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;368&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Cardiogenic shock&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;035&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Isolated right HF&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;059&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>HF in the context of ACS&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">63&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">100&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
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          "leyenda" => "<p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">p value for difference between patients presenting with or without ACS&#46; DBP&#58; diastolic blood pressure&#59; LA&#58; left atrial&#59; LVED&#58; left ventricular end-diastolic&#59; LVEF&#58; left ventricular ejection fraction&#59; LVH&#58; left ventricular hypertrophy&#59; SBP&#58; systolic blood pressure&#59; SD&#58; standard deviation&#59; VT&#58; ventricular tachyarrhythmia&#46;</p>"
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                  \t\t\t\t" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">All patients &#40;n&#61;201&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">Patients with ACS &#40;n&#61;127&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleBold">Physical findings&#44; mean &#40;SD&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">SBP &#40;mmHg&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">128 &#40;31&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">130 &#40;31&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">125 &#40;31&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">0&#46;350&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">DBP &#40;mmHg&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">74 &#40;20&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">75 &#40;20&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">72 &#40;19&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;191&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Heart rate &#40;bpm&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">88 &#40;31&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">87 &#40;28&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">89 &#40;35&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">0&#46;705&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Oxygen saturation &#40;&#37;&#41;&#44; median &#91;p25&#8211;p75&#93;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">96 &#91;91&#8211;98&#93;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">95 &#91;90&#8211;98&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">96 &#91;93&#8211;98&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;220&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Laboratory values&#44; mean &#40;SD&#41; or median &#91;p25&#8211;p75&#93;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Serum hemoglobin &#40;g&#47;l</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">126 &#91;110&#8211;139&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">125 &#91;111&#8211;141&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">128 &#91;106&#8211;139&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;732&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">BNP &#40;pg&#47;ml&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">841 &#91;313&#8211;1804&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">765 &#91;266&#8211;1463&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1001 &#91;377&#8211;2325&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;111&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Creatinine clearance &#40;ml&#47;min&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">57&#46;5 &#40;21&#46;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">59&#46;3 &#40;21&#46;1&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">54&#46;3 &#40;21&#46;7&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;105&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">&#60;30 ml&#47;min &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">10&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&#46;2&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0&#46;482&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Serum sodium &#40;mmol&#47;l&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">138 &#91;135&#8211;140&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">137 &#91;130&#8211;140&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">138 &#91;136&#8211;140&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;300&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Serum potassium &#40;mmol&#47;l&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;1 &#91;3&#46;9&#8211;4&#46;5&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;0 &#91;3&#46;7&#8211;4&#46;5&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;3 &#91;4&#46;0&#8211;4&#46;6&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">0&#46;025&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">ECG &#40;&#37;&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Atrial fibrillation</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">22&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">45&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">VT</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">10&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">16&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;041&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Myocardial infarction</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">66&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">91&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">24&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">LVH</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;013&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Echocardiography</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">LVEF &#40;&#37;&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Preserved&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">26&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">22&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">34&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Moderately reduced&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">37&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">44&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">23&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;010&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Severely reduced&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">36&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">32&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">42&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">LA diameter &#40;mm&#41;&#44; median &#91;p25&#8211;p75&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">43 &#91;40&#8211;48&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">42 &#91;39&#8211;45&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">47 &#91;43&#8211;55&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">LVED diameter &#40;mm&#41;&#44; median &#91;p25&#8211;p75&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">52 &#91;48&#8211;59&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">51 &#91;47&#8211;55&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">58 &#91;50&#8211;64&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab418935.png"
              ]
            ]
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Physical&#44; laboratory&#44; electrocardiographic and echocardiographic findings on admission&#46;</p>"
        ]
      ]
      3 => array:7 [
        "identificador" => "tbl0015"
        "etiqueta" => "Table 3"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:2 [
          "leyenda" => "<p id="spar0075" class="elsevierStyleSimplePara elsevierViewall">p value for difference between patients presenting with or without ACS&#46; ACS&#44; acute coronary syndrome&#59; BNP&#44; B-type natriuretic peptide&#59; ICCU&#44; intensive cardiac care unit&#59; ICD&#44; implantable cardioverter&#47;defibrillator&#46;</p>"
          "tablatextoimagen" => array:1 [
            0 => array:2 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Procedure&#47;treatment &#40;&#37; performed&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">All patients &#40;n&#61;201&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Patients with ACS &#40;n&#61;127&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Patients without ACS &#40;n&#61;74&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">p&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Admission to ICCU&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">77&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">91&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">52&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">ECG&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">98&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">100&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">95&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;049&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Echocardiography&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">96&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">98&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">93&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;103&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">BNP&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">89&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">91&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">86&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;340&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Cardiac scintigraphy&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">10&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">13&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;074&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Coronary angiography&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">69&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">85&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">45&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Pulmonary artery catheter&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;188&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Percutaneous coronary intervention&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">32&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">48&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Invasive ventilation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;892&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Non-invasive ventilation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">63&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">69&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">53&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;025&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Intravenous diuretics&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">62&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">58&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">59&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;103&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Intravenous nitrates&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">34&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">42&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">20&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;002&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Intravenous inotropes&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">13&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">13&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;770&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Intra-aortic balloon pump&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;048&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Dialysis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Pacemaker&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">10&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;004&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">ICD&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">9&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;188&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab418934.png"
              ]
            ]
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0070" class="elsevierStyleSimplePara elsevierViewall">Diagnostic investigations&#44; procedures and acute cardiac care&#46;</p>"
        ]
      ]
      4 => array:7 [
        "identificador" => "tbl0020"
        "etiqueta" => "Table 4"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:2 [
          "tablatextoimagen" => array:1 [
            0 => array:2 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">All patients &#40;n&#61;201&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Patients with ACS &#40;n&#61;127&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Patients without ACS &#40;n&#61;74&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">p&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Length of stay &#40;days&#41;&#44; median &#91;p25&#8211;p75&#93;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Total&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">11 &#91;7&#8211;16&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">11 &#91;7&#8211;16&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">11 &#91;6&#8211;18&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;864&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>ICCU&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6 &#91;4&#59;12&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3 &#91;2&#59;5&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#91;0&#59;4&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;0&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Cardiology ward&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6 &#91;4&#59;12&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6 &#91;4&#59;11&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7 &#91;4&#59;14&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;131&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">In-hospital mortality &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;210&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Follow-up</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Hospitalization within 6 months &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">20&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">18&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">24&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;361&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Hospitalization within 12 months &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">23&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">22&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">25&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;649&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Department of first readmission &#40;&#37;&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Cardiology department&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">27&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">24&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">31&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Internal medicine department&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">66&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">69&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">63&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;843&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>ICU of emergency department&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Months after index admission&#44; median &#91;p25&#8211;p75&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;5 &#91;0&#46;8&#8211;4&#46;5&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&#46;0 &#91;1&#46;0&#8211;5&#46;0&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;5 &#91;0&#46;5&#8211;4&#46;0&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;586&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Rehospitalizations</span>&#44;<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a><span class="elsevierStyleItalic">median &#91;p25&#8211;p75&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#91;1&#8211;2&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#91;1&#8211;2&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#91;1- 2&#93;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;605&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Mortality at six months &#40;&#37;&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Heart failure&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;053&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
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Journal Information
Vol. 32. Issue 7 - 8.
Pages 567-575 (July - August 2013)
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Vol. 32. Issue 7 - 8.
Pages 567-575 (July - August 2013)
Original article
Open Access
Characterization of acute heart failure hospitalizations in a Portuguese cardiology department
Caracterização das hospitalizações por insuficiência cardíaca aguda num serviço de cardiologia português
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Ana Catarina Pinho-Gomesa, José Silva Cardoso
,a,b,c
, Luís Filipe Azevedob, Rui Almeidac, Teresa Pinhoc, Maria Júlia Macielc
a Department of Cardiology, Faculty of Medicine, University of Porto, Porto, Portugal
b Department of Health Information and Decision Sciences (CIDES) and Centre for Research in Health Technologies and Information Systems (CINTESIS), Faculty of Medicine, University of Porto, Porto, Portugal
c Department of Cardiology, Hospital de S. João, Porto, Portugal
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Figures (1)
Tables (4)
Table 1. Underlying diseases, type of onset, precipitating factors and clinical presentation of acute heart failure patients.
Table 2. Physical, laboratory, electrocardiographic and echocardiographic findings on admission.
Table 3. Diagnostic investigations, procedures and acute cardiac care.
Table 4. Length of stay, outcomes and follow-up.
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Abstract
Introduction and Aims

We describe the clinical characteristics, management and outcomes of patients hospitalized with acute heart failure in a south-west European cardiology department. We sought to identify the determinants of length of stay and heart failure rehospitalization or death during a 12-month follow-up period.

Methods and Results

This was a retrospective cohort study including all patients admitted during 2010 with a primary or secondary diagnosis of acute heart failure. Death and readmission were followed through 2011.

Of the 924 patients admitted, 201 (21%) had acute heart failure, 107 (53%) of whom had new-onset acute heart failure. The main precipitating factors were acute coronary syndrome (63%) and arrhythmia (14%). The most frequent clinical presentations were heart failure after acute coronary syndrome (63%), chronic decompensated heart failure (47%) and acute pulmonary edema (21%). On admission 73% had left ventricular ejection fraction <50%. Median length of stay was 11 days and in-hospital mortality was 5.5%. The rehospitalization rate was 21% and 24% at six and 12 months, respectively. All-cause mortality was 16% at 12 months. The independent predictors of rehospitalization or death were heart failure hospitalization during the previous year (Hazard ratio − HR − 3.177), serum sodium <135mmol/l on admission (HR 1.995) and atrial fibrillation (HR 1.791). Reduced left ventricular ejection fraction was associated with a lower risk of rehospitalization or death (HR 0.518).

Conclusions

Our patients more often presented new-onset acute heart failure, due to an acute coronary syndrome, with reduced left ventricular ejection fraction. Several predictive factors of death or rehospitalization were identified that may help to select high-risk patients to be followed in a heart failure management program after discharge.

Keywords:
Acute heart failure
Acute coronary syndrome
Management
Prognosis
Length of stay
Re-hospitalization
Mortality
Resumo
Introdução e objetivos

Dada a escassa informação relativa aos internamentos por insuficiência cardíaca aguda em serviços de Cardiologia portugueses, procedemos à sua caracterização. Pretendemos identificar os determinantes de maior duração de internamento e de rehospitalização ou morte aos 12 meses.

Métodos e resultados

Realizámos um estudo de cohort retrospetivo, incluindo os doentes admitidos em 2010 com diagnóstico primário ou secundário de insuficiência cardíaca aguda. A ocorrência de morte ou rehospitalização foi acompanhada durante 2011.

Do total de 924 hospitalizações, 201 (21%) apresentavam insuficiência cardíaca aguda, sendo o primeiro episódio em 107 (53%) das mesmas. Os principais fatores precipitantes foram síndrome coronária aguda (63%) e arritmia (14%). As apresentações clínicas mais comuns foram insuficiência cardíaca no contexto de síndrome coronária aguda (63%), insuficiência cardíaca crónica descompensada (46%) e edema pulmonar agudo (21%). Na admissão, 73% tinham fração de ejeção ventricular esquerda < 0,50. A duração mediana de internamento foi 11 dias e a mortalidade intra-hospitalar foi 5,5%. A taxa de rehospitalização aos 6 e 12 meses foi 21% e 24%, respetivamente. A mortalidade por todas as causas, aos 12 meses, foi 16%. Os factores preditores de rehospitalização ou morte foram hospitalização por insuficiência cardíaca aguda no ano anterior (Hazard ratio – HR – 3,177), sódio sérico < 135 mEq/L na admissão (HR 1,995), fibrilhação auricular (HR 1,791). Fracção de ejecção ventricular esquerda deprimida na admissão associou-se a menor risco de rehospitalização ou morte (HR 0,518).

Conclusões

Os nossos doentes apresentavam mais frequentemente insuficiência cardíaca aguda de novo, com fração de ejeção ventricular esquerda deprimida, no contexto de síndrome coronária aguda. Os vários fatores preditores de mortalidade ou rehospitalização identificados poderão contribuir para selecionar os doentes de alto risco que justificam acompanhamento especializado numa clínica de insuficiência cardíaca.

Palavras-chave:
Insuficiência cardíaca aguda
Síndrome coronária aguda
Tratamento
Prognóstico
Duração de internamento
Rehospitalização
Mortalidade
List of abbreviations
ACEI

angiotensin-converting enzyme inhibitor

ACS

acute coronary syndrome

AF

atrial fibrillation

AHF

acute heart failure

ARB

angiotensin receptor blocker

BB

beta-blocker

BNP

B-type natriuretic peptide

CCB

calcium channel blocker

CDHF

chronic decompensated heart failure

CHD

coronary heart disease

CHF

chronic heart failure

CI

confidence interval

DBP

diastolic blood pressure

ECG

electrocardiogram

ESC

European Society of Cardiology

HF

heart failure

HR

hazard ratio

ICCU

intensive cardiac care unit

ICD

implantable cardioverter-defibrillator

LAD

left atrial diameter

LOS

length of stay

LVED

left ventricular end-diastolic diameter

LVEF

left ventricular ejection fraction

MRA

mineralocorticoid receptor antagonist

SBP

systolic blood pressure

SD

standard deviation

VT

ventricular tachyarrhythmia

Full Text
Introduction

Acute heart failure (AHF) is a major public health concern because of its increasing prevalence and associated high morbidity, mortality and costs.1–5 Despite being one of the most frequent reasons for hospitalization in western countries, it has received much less attention than chronic heart failure (CHF), and large-scale studies specifically addressing AHF are relatively scarce.6,7

AHF is associated with a high rate of rehospitalization but little is known regarding the most relevant predictive factors. It is therefore important to develop appropriate predictive models that might help to appropriately stratify AHF patients and improve their management and follow-up.8

Moreover, although several studies have been conducted in Europe and the USA on the clinical characteristics, treatment and outcome of AHF patients, little information is available on this subject in Portugal.9

In the present study we describe the clinical characteristics, hospital management and outcomes of AHF patients admitted to a Portuguese cardiology department, and present a predictive model for readmission or death at 12 months in this population.

Objectives

The primary objective of this study was to describe the clinical characteristics, hospital management and outcomes of patients hospitalized with AHF.

The secondary objectives were:

  • to compare patients with AHF and acute coronary syndrome (ACS) as the precipitating factor vs. patients with AHF and no ACS;

  • to compare drug prescriptions on admission and at discharge;

  • to identify factors associated with longer hospital length of stay (LOS);

  • to identify risk factors for heart failure (HF) rehospitalization or death.

MethodsStudy description

This was a hospital-based observational retrospective cohort study, conducted at the Cardiology Department of Hospital de S. João, Porto, Portugal. Demographic, clinical and follow-up data were collected between February 1, 2011 and December 31, 2011, ensuring a minimum follow-up of one year for all patients.

Inclusion criteria

All patients admitted to the cardiology department between January 1 and December 31, 2010 were screened. Paper-based and computerized clinical records on the 924 patients admitted during the study period were retrieved and analyzed by one investigator in order to find eligible patients who met one of the following inclusion criteria:

  • Primary diagnosis of AHF according to ESC criteria3;

  • AHF secondary to another acute cardiac event3;

  • Acute myocardial infarction classified as Killip II–IV.

Exclusion criteria

Scheduled hospitalizations or hospitalizations in the context of cardiac surgery were considered exclusion criteria.

In order to avoid duplicate records, readmissions to the hospital during the study period were not counted as new cases.

Data collection

Data on patient demographics, cardiovascular risk factors, comorbidities and history of cardiac disease or HF, and results of ECG, hemodynamic, echocardiographic examinations and laboratory tests were collected, as well as on the etiology and the possible precipitating factors of AHF, drug prescriptions before and following admission, concomitant medication and the main diagnostic or therapeutic procedures performed during hospitalization. The hospital LOS of patients was also recorded; in cases of patients transferred to another hospital or to another ward, it was recorded at the time of transfer. Data regarding death or rehospitalization were obtained from the patient's electronic record and did not include admissions to another hospital or death not recorded in the hospital's administrative or clinical database. For all living patients, the follow-up period ended on December 31, 2011.

Data analysis

Categorical variables were presented as counts and percentages, and quantitative variables as means and standard deviation (SD) or medians and 25th percentile–75th percentile (p25–p75) as appropriate, depending on the empirical distribution of the variables.

Subgroups of patients were compared using the chi-square test or Fisher's exact test for categorical variables and the t test and Mann–Whitney rank-sum test for symmetrical and asymmetrical quantitative variables, respectively. The normality of the distribution of quantitative variables was assessed by the Kolmogorov–Smirnov test.

Simple and multiple linear regression models were used to analyze the variable LOS, which was logarithmically transformed in order to normalize its initially asymmetrical distribution. Survival analysis was used to analyze determinants of rehospitalization or death. For graphs of survival probability, the crude effect of each variable was tested with the log-rank test and multivariate analysis was performed using the Cox regression model. In the final analysis, all variables were taken into account to obtain a fully adjusted model. For each variable the assumption of proportional hazards was tested.

In univariate and multivariate regression analysis, the dependent variables were LOS and an adverse event, defined as HF rehospitalization or death during the follow-up period. The independent variables were age, gender, ischemic etiology, type (new-onset vs. decompensated chronic HF), history of HF hospitalization in the previous 12 months, obesity, diabetes, intensive cardiac care unit (ICCU) admission, LOS and the following admission findings: systolic blood pressure <100mmHg, heart rate <70 bpm, serum sodium <135 mmol/l, serum potassium >4.3mmol/l, creatinine clearance <30ml/min, anemia (hemoglobin lower than 130g/l in men and 120g/dl in women), serum B-type natriuretic peptide (BNP) >500 pg/ml, atrial fibrillation (AF), and left ventricular ejection fraction (LVEF) <50%. In the independent variables, the variable etiology was included instead of ACS as precipitating factor, since there was a close association between the two variables but etiology was considered more informative.

All tests were two-sided and p values less than 0.05 were considered as indicating significant differences. The analysis was performed using SPSS 18.0 for Windows statistical software.

Ethics

The study was carried out according to the principles of the Declaration of Helsinki and was approved by the hospital's ethics committee.

ResultsBaseline characteristics

Of a total of 924 patients admitted to the cardiology department over a period of one year, 201 (21%) presenting with AHF were enrolled. Patients’ baseline characteristics are summarized in Tables 1 and 2. New-onset AHF occurred in more than 50% of cases. Hypertension and coronary heart disease (CHD) were the most prevalent underlying diseases, but all the cardiovascular risk factors were relatively frequent. The most common precipitating factor was ACS (63.3% of patients), followed by arrhythmia (14.4% of patients). The most frequent clinical presentation by far was HF in the context of ACS, followed by chronic decompensated heart failure (CDHF) and pulmonary edema. Interestingly, pulmonary edema was approximately twice as common in patients presenting with ACS than in those with no ACS, while CDHF was approximately three times more frequent in those without ACS than in those with. The majority of patients had reduced LVEF on admission.

Table 1.

Underlying diseases, type of onset, precipitating factors and clinical presentation of acute heart failure patients.

  All patients (n=201)  Patients with ACS (n=127)  Patients without ACS (n=74) 
Number (%)  201  127 (63.2)  74 (36.8)   
Age, mean (SD)  69 (13)  71 (11)  66 (14)  0.018 
Male (%)  60.7  55.1  70.3  0.034 
Body mass index (kg/m2), mean (SD)  26 (4)  26 (4)  26 (4)  0.459 
Cardiovascular disease (%)
Chronic hypertension  66.2  72.4  55.4  0.014 
Coronary artery disease  38.3  44.9  27.0  0.012 
Valvular disease  14.9  5.5  31.1  <0.001 
Dilated cardiomyopathy  7.5  1.6  17.6  <0.001 
Comorbidities (%)
Diabetes  37.8  37.0  39.2  0.758 
Obesity  31.3  22.8  45.9  0.001 
Dyslipidemia  51.2  54.3  45.9  0.251 
Smoking  35.3  37.8  31.1  0.337 
Chronic pulmonary disease  12.4  10.2  16.2  0.215 
Chronic kidney disease  19.4  15.0  27.0  0.037 
Anemia  35.8  33.1  40.5  0.287 
Active cancer  3.0  3.1  2.7  1.000 
Psychiatric disorder  6.5  8.7  2.7  0.098 
Alcohol abuse  8.5  9.4  6.8  0.508 
Pacemaker implanted (%)  3.5  1.6  6.8  0.103 
ICD (%)  3.5  0.0  9.5  0.001 
HF hospitalization within last 12 months (%)  14.9  8.7  25.7  0.001 
New-onset AHF (%)  53.2  74.0  17.6  <0.001 
Precipitating factors on admission (%)
ACS  63.2  127   
Arrhythmia  14.4  39.2   
Drug or dietary noncompliance  8.0  21.6   
Valve disease  7.0  18.9   
Infection  6.0  16.2   
Clinical presentation (%)
CDHF  46.8  26.0  82.4  <0.001 
Pulmonary edema  21.4  26.0  13.5  0.038 
Hypertensive HF  0.5  0.0  1.4  0.368 
Cardiogenic shock  6.0  8.7  1.4  0.035 
Isolated right HF  0.5  0.0  1.4  0.059 
HF in the context of ACS  63.2  100.0  0.0  <0.001 

p value for difference between patients presenting with or without ACS. Anemia defined as serum hemoglobin on admission <130g/l for men and 120g/l for women; all other comorbidities as reported. ACS: acute coronary syndrome; AHF: acute heart failure; CDHF: chronic decompensated heart failure; HF: heart failure; ICD: implantable cardioverter/defibrillator; SD: standard deviation.

Table 2.

Physical, laboratory, electrocardiographic and echocardiographic findings on admission.

  All patients (n=201)  Patients with ACS (n=127)  Patients without ACS (n=74) 
Physical findings, mean (SD)
SBP (mmHg)  128 (31)  130 (31)  125 (31)  0.350 
DBP (mmHg)  74 (20)  75 (20)  72 (19)  0.191 
Heart rate (bpm)  88 (31)  87 (28)  89 (35)  0.705 
Oxygen saturation (%), median [p25–p75]  96 [91–98]  95 [90–98]  96 [93–98]  0.220 
Laboratory values, mean (SD) or median [p25–p75]
Serum hemoglobin (g/l126 [110–139]  125 [111–141]  128 [106–139]  0.732 
BNP (pg/ml)  841 [313–1804]  765 [266–1463]  1001 [377–2325]  0.111 
Creatinine clearance (ml/min)  57.5 (21.4)  59.3 (21.1)  54.3 (21.7)  0.105 
<30 ml/min (%)  10.0  8.7  12.2  0.482 
Serum sodium (mmol/l)  138 [135–140]  137 [130–140]  138 [136–140]  0.300 
Serum potassium (mmol/l)  4.1 [3.9–4.5]  4.0 [3.7–4.5]  4.3 [4.0–4.6]  0.025 
ECG (%)
Atrial fibrillation  30.8  22.0  45.9  <0.001 
VT  10.4  7.1  16.2  0.041 
Myocardial infarction  66.7  91.3  24.3  <0.001 
LVH  8.5  4.7  14.9  0.013 
Echocardiography
LVEF (%)
Preserved  26.8  22.4  34.8   
Moderately reduced  37.1  44.8  23.2  0.010 
Severely reduced  36.1  32.8  42.0   
LA diameter (mm), median [p25–p75]  43 [40–48]  42 [39–45]  47 [43–55]  <0.001 
LVED diameter (mm), median [p25–p75]  52 [48–59]  51 [47–55]  58 [50–64]  <0.001 

p value for difference between patients presenting with or without ACS. DBP: diastolic blood pressure; LA: left atrial; LVED: left ventricular end-diastolic; LVEF: left ventricular ejection fraction; LVH: left ventricular hypertrophy; SBP: systolic blood pressure; SD: standard deviation; VT: ventricular tachyarrhythmia.

Patients presenting with ACS were significantly younger, more often women and less likely to have a history of HF; they more often had chronic hypertension and CHD. On the other hand, patients without ACS more frequently had valvular disease and dilated cardiomyopathy, left ventricular hypertrophy pattern on the ECG, larger left atrial diameter and AF.

Hospital course and management

Echocardiographic examination and BNP measurement were performed in most patients and the majority were admitted to the ICCU and underwent coronary angiography. Overall use of in-hospital resources was similar in both ACS and non-ACS groups (Table 3), although a higher proportion of ACS patients were admitted to the ICCU. Non-invasive ventilation, intravenous nitrates and diuretics were the basis of therapy and the first two were more often used in ACS patients.

Table 3.

Diagnostic investigations, procedures and acute cardiac care.

Procedure/treatment (% performed)  All patients (n=201)  Patients with ACS (n=127)  Patients without ACS (n=74) 
Admission to ICCU  77.1  91.3  52.7  <0.001 
ECG  98.5  100.0  95.9  0.049 
Echocardiography  96.5  98.4  93.2  0.103 
BNP  89.6  91.3  86.5  0.340 
Cardiac scintigraphy  10.4  13.4  5.4  0.074 
Coronary angiography  69.7  85.3  45.9  <0.001 
Pulmonary artery catheter  5.5  4.7  6.8  0.188 
Percutaneous coronary intervention  32.8  48.8  5.4  <0.001 
Invasive ventilation  8.5  8.7  8.1  0.892 
Non-invasive ventilation  63.5  69.3  53.4  0.025 
Intravenous diuretics  62.5  58.3  59.9  0.103 
Intravenous nitrates  34.5  42.5  20.5  0.002 
Intravenous inotropes  13.9  13.4  14.9  0.770 
Intra-aortic balloon pump  3.5  5.5  0.0  0.048 
Dialysis  2.5  2.4  2.7  1.000 
Pacemaker  5.0  1.6  10.8  0.004 
ICD  6.5  4.7  9.5  0.188 

p value for difference between patients presenting with or without ACS. ACS, acute coronary syndrome; BNP, B-type natriuretic peptide; ICCU, intensive cardiac care unit; ICD, implantable cardioverter/defibrillator.

Discharge characteristics

Comparing admission with discharge, we observed a significant drop in body weight (median −3kg [p25–p75: −6–0]; p<0.001), systolic blood pressure (mean −17.1mmHg; SD 29.7; p<0.001), heart rate (mean −18.7 bpm; SD 32.4; p<0.001) and BNP (median −203.5 pg/dl [p25–p75: −850.5–74.9]; p<0.001). There was no improvement in creatinine clearance, serum sodium and potassium, or serum hemoglobin. The rate of prescription of all cardiovascular drugs increased from admission to discharge, apart from digoxin and calcium channel blockers (Figure 1).

Hospital stay and follow-up

Total LOS was similar in the two groups (median 11 days). In-hospital mortality was 5.5% and was not significantly different between the two groups. The rate of rehospitalization for HF was 20.9% and 23.9% at six and 12 months, respectively. Most readmissions occurred within six weeks after the index event. All-cause mortality was 10.9% and 15.9% at six and 12 months, respectively. The variables independently associated with a longer LOS were history of HF hospitalization in the previous year (p=0.040), BNP >500 pg/ml (p<0.001) on admission and ICCU admission (p=0.002) (Table 1S in Supplementary Material).

The most important variables predictive of the combined endpoint of rehospitalization or death during follow-up were history of HF hospitalization in the previous year (hazard ratio [HR] 3.177 [1.405–7.185]), serum sodium<135 mmol/l on admission (HR 1.995 [1.032–3.856]) and AF (HR 1.791 [1.021–3.142]). Reduced LVEF (HR 0.518 [0.268–0.998]) was associated with a lower risk of rehospitalization or death (Table 2S in Supplementary Material).

Discussion

Hospitalizations due to AHF are associated with high mortality and readmission rates, and represent about 70% of all costs associated with HF.10,11 They typically occur in internal medicine or cardiology departments and thus most studies include a mixed population from both provenances.

Clinical information provided by hospital-based studies is crucial to our understanding of the contemporary clinical characteristics of AHF, including key prognostic factors and details regarding clinical presentation and medical therapy. We therefore conducted a hospital-based observational retrospective study in order to identify the particular characteristics of AHF patients admitted exclusively to a cardiology department.

Demographics, underlying diseases, type of onset, precipitating factors and clinical presentation of acute heart failure

In our study, the mean age and gender distribution of patients were similar to those of previous AHF registries in Europe and elsewhere7,12 and in the USA.13 However, our patients were younger and more often male than those included in an earlier Portuguese study performed in internal medicine wards.9 Unlike in many previous reports, the majority of our patients had reduced LV function, which was perhaps a consequence of the high prevalence of ACS in our population. Interestingly, a recent Italian study14 also showed that patients admitted to cardiology departments were younger, more often male and more likely to have reduced LVEF than patients in internal medicine wards, which is in agreement with our findings but not with the aforementioned Portuguese study.9

Cardiovascular disease was common among our patients, most frequently CHD and hypertension, as observed in previous international surveys.7,12,13 Conventional cardiovascular risk factors, such as obesity, diabetes and dyslipidemia, were also very frequent. The prevalence of noncardiovascular comorbidities was similar to that observed in previous surveys 12,13. Chronic pulmonary diseases, anemia and kidney disease were common, with mean creatinine clearance compatible with grade 3 renal failure. This was similar to that observed in ADHERE,13 highlighting the importance of heart-kidney interaction in AHF.

Most patients had new-onset HF, particularly those with an ACS as precipitating factor. The prevalence of new-onset AHF was much higher than in EHFSII12 and ALARM-HF.7,13

ACS was the precipitating factor in nearly two-thirds of patients. This was almost twice the figure observed in reports7,12 that included patients of mixed provenance (from internal medicine and cardiology departments). Arrhythmias were the second most frequent precipitating factor and were more common in the non-ACS group. They were mostly of supraventricular origin, which is in line with previous reports of the high frequency of AF among AHF patients.

As in EHFSII12 and ALARM-HF,7 two of the most common clinical presentations of AHF in our population were CDHF and pulmonary edema.

Diagnostic investigations and treatment

ECG, BNP measurement and echocardiographic examination were performed in nearly all patients on admission or within the first days of hospitalization, showing good adherence to the European Society of Cardiology (ESC) HF guidelines.3 The high prevalence of ACS explains why coronary angiography was performed in more than two-thirds of our patients and why a considerably higher percentage of them were admitted to the ICCU, compared to EHFSII.12

As previously reported by others,7,12,13 ventilatory support and intravenous diuretic therapy played a central role in acute management. Non-invasive ventilation was used in the majority of patients. The frequency of administration of intravenous nitrates was similar to that in previous surveys,7,12,13 while the use of inotropes was nearly half. Approximately one-third of the patients presented with ST-segment elevation myocardial infarction and underwent percutaneous coronary intervention. This was considerably more frequent than in ADHERE13 and EHFSII.12

The observed decrease in body weight, heart rate and BNP at discharge reflected clinical improvement with therapy. Interestingly, blood pressure fell, but no improvement in serum creatinine value was observed, which demonstrates the limitations of current therapeutic options regarding renal function.

The prescription of drugs recommended for HF, CHD and hypertension increased significantly from admission to discharge. However, the proportion of patients taking angiotensin converting-enzyme inhibitors (ACEIs) or angiotensin receptor blockers (ARBs) was lower than in EHFSII12; a possible explanation for this may be the proportion of our patients (26.8%) with HF and preserved LVEF, for which these drugs are not formally indicated. By contrast, the levels of prescription of beta-blockers, statins, aspirin, clopidogrel and nitrates at discharge exceeded that of EHFSII,12 possibly because ACS was more frequent in our study than in that survey and these drugs are recommended for secondary prophylaxis of ACS.

Length of stay, outcomes and follow-up of acute heart failure patients (Table 4)

The overall LOS was 11 days, two days longer than in EHFSII12 and ALARM-HF7 and almost three times that reported in ADHERE.13 The median ICCU stay was six days, twice that reported in EHFSII12 and ALARM-HF.7 However, in our case, in-hospital mortality was 5.5%, which was lower than in EHFSII12 (6.6%) and ALARM-HF7 (12%). The large-scale US surveys ADHERE13 and OPTIMIZE-HF15 reported in-hospital mortality of nearly 4%, which is even lower than ours. Nonetheless, this low in-hospital mortality, which may in part have been a consequence of the very short LOS, was counterbalanced by higher readmission rate and long-term mortality (for instance, OPTIMIZE-HF15 showed 90-day rehospitalization rates and mortality of 30% and 35%, respectively). It is possible that longer hospital stay could enable better patient stabilization, reducing long-term morbidity and mortality.

Table 4.

Length of stay, outcomes and follow-up.

  All patients (n=201)  Patients with ACS (n=127)  Patients without ACS (n=74) 
Length of stay (days), median [p25–p75]
Total  11 [7–16]  11 [7–16]  11 [6–18]  0.864 
ICCU  6 [4;12]  3 [2;5]  1 [0;4]  <0.001 
Cardiology ward  6 [4;12]  6 [4;11]  7 [4;14]  0.131 
In-hospital mortality (%)  5.5  3.9  8.1  0.210 
Follow-up
Hospitalization within 6 months (%)  20.9  18.9  24.3  0.361 
Hospitalization within 12 months (%)  23.9  22.8  25.7  0.649 
Department of first readmission (%)
Cardiology department  27.1  24.1  31.6   
Internal medicine department  66.7  69.0  63.2  0.843 
ICU of emergency department  6.3  6.9  5.3   
Months after index admission, median [p25–p75]  1.5 [0.8–4.5]  2.0 [1.0–5.0]  1.5 [0.5–4.0]  0.586 
Rehospitalizations,amedian [p25–p75]  1 [1–2]  1 [1–2]  1 [1- 2]  0.605 
Mortality at six months (%)
Heart failure  7.5  4.7  12.2  0.053 
All-cause  10.9  8.7  14.9  0.174 
Mortality at 12 months (%)
Heart failure  10.9  8.7  14.9  0.174 
All-cause  15.9  14.2  18.9  0.375 
Adverse endpointb  34.8  31.5  40.5  0.301 
a

Number of heart failure rehospitalizations during the year after index admission.

b

Adverse endpoint defined as death or heart failure rehospitalization during the total follow-up period. p value for difference between patients presenting with or without ACS. ICCU: intensive cardiac care unit; ICU: intensive care unit.

Our results reinforce the notion that AHF hospitalizations are associated with poor prognosis, with more than one-third of patients dying or being rehospitalized over the subsequent year.

Our patients with new-onset AHF had a more severe clinical presentation, which is consistent with ALARM-HF.7 However, in the long run patients with CDHF had a higher risk of rehospitalization or death.

The probability of being rehospitalized was highest during the first weeks after discharge from the index event, which attests the need of an early medical appointment after discharge, preferably in the setting of a particular HF management program.3

Predictive factors of longer hospitalization and adverse outcome

The predictive factors for rehospitalization after an AHF event are largely unexplored in the literature.16 In our study a baseline BNP value higher than 500 pg/ml was the most important factor associated with longer LOS, followed by admission to the ICCU, both indicating a more severe initial clinical picture. History of HF hospitalizations in the previous year, a recognized marker of bad prognosis,3 was also associated with longer hospital stay and with a threefold increase in the risk of dying or being rehospitalized during the year after discharge. AF also showed a significant association with increased risk of rehospitalization or death, which is in keeping with literature on CHF.3,17–21

Other variable also independently associated with a poor long-term outcome was serum sodium <135mmol/l on admission, while reduced LVEF was associated with better prognosis. Together they can help to select high-risk patients for inclusion in specific HF clinic. This is important, since these management programs can reduce rehospitalizations and mortality, are cost-effective and in the ESC guidelines have class I recommendation, level of evidence A, for recently hospitalized HF patients.3 However, in many countries, due to financial constraints and insufficient manpower, it is not possible to admit all hospitalized HF patients to an HF management program. Thus, identifying predictors of increased vulnerability can help to select patients most in need of these programs.

Patients with vs. without acute coronary syndrome as the precipitating factor

Patients with an ACS typically presented left atrial dilatation, preserved left ventricular dimensions and reduced LVEF on admission. Left atrial dilatation was possibly a consequence of history of hypertension observed in more than 70% of patients. On the contrary, in the early days of new-onset AHF due to an ACS, the left ventricle would not have had sufficient time to undergo eccentric remodeling.

Patients with ACS had more frequent and longer ICCU admissions and were more often treated with non-invasive ventilation and intra-aortic balloon pump than those without ACS. This suggests they have a worse initial clinical course. Nonetheless, there was no difference between groups in total hospital LOS, readmission rate, in-hospital mortality or mortality at six or 12 months.

Study limitations

An inherent limitation of this study derives from its retrospective nature. An additional drawback is the possibility that death or rehospitalization occurring out of our institution during follow-up were not reported. This could partly explain the observed low long-term rehospitalization and death rates. However, the consistency in the referral of patients indicates that this was probably not a major problem, and moreover cannot explain the low rates of in-hospital mortality also found in our study.

Conclusion

Patients admitted to our cardiology department with AHF more typically presented new-onset AHF, in the context of an ACS, causing deterioration in LV systolic function. They had longer LOS but lower 12-month readmission rate and mortality than reported in US and European studies. Independent predictors of rehospitalization or death were HF hospitalization during the previous year, serum sodium <135 mmol/l on admission and AF. Reduced LVEF was associated with a decreased risk of rehospitalization or death.

Ethical disclosuresProtection of human and animal subjects

The authors declare that no experiments were performed on humans or animals for this study.

Confidentiality of data

The authors declare that they have followed the protocols of their work center on the publication of patient data and that all the patients included in the study received sufficient information and gave their written informed consent to participate in the study.

Right to privacy and informed consent

The authors have obtained the written informed consent of the patients or subjects mentioned in the article. The corresponding author is in possession of this document.

Conflicts of interest

The authors have no conflicts of interest to declare.

Appendix A
Supplementary data

The following are the supplementary data to this article:

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