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rapid and irregular ventricular rates&#44; inadequate ventricular filling and loss of atrial contribution to cardiac output lead to an increase in oxygen demand&#44; causing further impairment in coronary perfusion and left ventricular &#40;LV&#41; systolic function&#46;<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> Factors precipitating AF during acute coronary syndromes &#40;ACS&#41; include atrial ischemia or infarction&#44; right ventricular infarction&#44; pericardial inflammation&#44; acute hypoxia&#44; ionic disturbances such as hypokalemia&#44; hemodynamic impairment secondary to LV dysfunction&#44; and circulating catecholamines &#40;endogenous or exogenous&#41;&#46;<a class="elsevierStyleCrossRefs" href="#bib0030"><span class="elsevierStyleSup">6&#8211;8</span></a> The result is a vicious circle composed of AF&#44; myocardial ischemia and heart failure&#44; in which each element aggravates the other two&#46; In the early period of ACS&#44; several factors have been associated with the occurrence of AF&#44; such as advanced age&#44; heart failure&#44; LV dysfunction&#44; mitral regurgitation&#44; excessive sympathetic&#47;parasympathetic nerve stimulation&#44; pericarditis and activation of inflammation&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a> It would be useful to identify predictors for the development of AF in the setting of ACS&#44; given that identification of high-risk patients would assist in the development of prophylactic antiarrhythmic therapies&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">The primary aim of this study was to identify the predictors and assess the prognosis of new-onset AF during ACS&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Methods</span><p id="par0045" class="elsevierStylePara elsevierViewall">This was a retrospective observational cohort study with a six-month follow-up&#46; All patients &#40;n&#61;902&#59; mean age 64 years&#44; 77&#46;5&#37; male&#41; consecutively admitted to the coronary care unit of a single center with a diagnosis of ACS between July 2009 and June 2011 were included&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">Diagnoses of ACS and AF were made according to the European Society of Cardiology guidelines&#46;<a class="elsevierStyleCrossRefs" href="#bib0050"><span class="elsevierStyleSup">10&#8211;12</span></a> Development of heart failure during hospital stay was defined as Killip class &#8805;2&#46; Patients with AF were divided according to the timing of the arrhythmia&#58; every patient who presented with AF for the first time &#40;i&#46;e&#46;&#44; who did not have previously documented AF&#41; at admission or during hospital stay was considered to have new-onset AF&#44; while those with previously documented AF were classified as having pre-existing AF and were excluded from the statistical analysis&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Demographic&#44; clinical&#44; laboratory&#44; echocardiographic and coronary angiographic data were collected&#46; Regarding laboratory data&#44; NT-proBNP and cystatin C values were obtained in the first 24 hours after admission&#44; and peak creatinine was considered to be the maximum value during hospitalization&#46; The first echocardiogram performed in hospital was used to provide echocardiographic data&#46; Coronary angiographic data were collected from coronary angiography performed during hospital stay&#46; Significant coronary artery disease &#40;CAD&#41; on coronary angiography was defined as at least one &#8805;50&#37; lesion in the left main artery and&#47;or &#8805;70&#37; in other coronary arteries&#46; Multivessel disease was defined as significant stenosis in two or more major epicardial arteries&#46; Although this was a retrospective cohort study&#44; all clinical and laboratory data were collected prospectively and recorded in a computerized database&#44; in accordance with our department&#39;s protocol for patients admitted to the coronary care unit with ACS&#46;</p><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Statistical analysis</span><p id="par0060" class="elsevierStylePara elsevierViewall">Univariate analysis of categorical variables was performed using the chi-square test&#44; with results expressed as percentages&#44; and of continuous variables using the Student&#39;s t test&#44; with results expressed as means &#177; standard deviation&#46; Multivariate logistic regression analysis was used to determine independent predictors of new-onset AF&#44; including only variables with statistical significance on univariate analysis&#46; Multivariate logistic analysis was also performed to determine independent predictors of overall mortality &#40;in-hospital and follow-up&#41;&#46; Kaplan&#8211;Meier analysis was used to illustrate six-month cumulative mortality according to the presence of new-onset AF&#46; Differences with p&#60;0&#46;05 were considered significant&#46; The statistical analysis was carried out using SPSS version 18&#46;0&#46;</p></span></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Results</span><p id="par0065" class="elsevierStylePara elsevierViewall">In the study population &#40;n&#61;902&#41;&#44; AF rhythm was identified in 13&#46;8&#37; patients &#40;n&#61;124&#41;&#44; of whom 73&#46;3&#37; &#40;n&#61;91&#41; presented new-onset AF and 26&#46;8&#37; &#40;n&#61;33&#41; pre-existing AF&#46; New-onset AF patients were studied according to their baseline characteristics&#44; in-hospital features and clinical outcomes&#46;</p><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Baseline characteristics and in-hospital data</span><p id="par0070" class="elsevierStylePara elsevierViewall">The baseline characteristics of the study population are shown in <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0075" class="elsevierStylePara elsevierViewall">New-onset AF was more frequent in older &#40;p&#60;0&#46;001&#41;&#44; non-smoking &#40;p&#61;0&#46;013&#41; and hypertensive &#40;p&#61;0&#46;001&#41; patients&#44; as well as in those with previous valvular heart disease &#40;p&#60;0&#46;001&#41;&#44; history of coronary artery bypass grafting &#40;CABG&#41; &#40;p&#61;0&#46;049&#41; and previously treatment with aspirin &#40;p&#61;0&#46;005&#41;&#46; No differences were seen regarding other cardiovascular risk factors or history&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">During hospitalization&#44; patients with new-onset AF presented with higher heart rate &#40;p&#60;0&#46;001&#41; and had a higher prevalence of respiratory tract infections &#40;p&#61;0&#46;002&#41; and heart failure &#40;p&#60;0&#46;001&#41;&#46; Regarding laboratory parameters&#44; higher mean NT-proBNP &#40;p&#61;0&#46;007&#41;&#44; cystatin C &#40;p&#61;0&#46;033&#41; and peak creatinine &#40;p&#61;0&#46;001&#41; were recorded&#46; Echocardiographic data revealed an association between new-onset AF and greater left atrial &#40;LA&#41; diameter &#40;p&#60;0&#46;001&#41;&#44; significant mitral regurgitation &#40;grade &#8805;II&#47;IV&#59; p&#60;0&#46;001&#41; and LV ejection fraction &#40;LVEF&#41; &#8804;40&#37; &#40;p&#60;0&#46;001&#41;&#46; These patients were also less likely to have significant coronary lesions &#40;p&#61;0&#46;009&#41; or to have undergone coronary revascularization &#40;p&#60;0&#46;001&#41;&#44; the latter due to the lower number of percutaneous coronary interventions performed &#40;p&#61;0&#46;003&#41;&#46; The presence of multivessel disease was similar in the two groups&#46; Clinical information during hospital stay and laboratory&#44; echocardiographic&#44; coronary angiographic&#44; revascularization and mortality data are summarized in <a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0085" class="elsevierStylePara elsevierViewall">In multivariate analysis&#44; age &#40;odds ratio &#91;OR&#93; 1&#46;06&#44; 95&#37; confidence interval &#91;CI&#93; 1&#46;01&#8211;1&#46;12&#44; p&#61;0&#46;021&#41;&#44; LVEF &#8804;40&#37; &#40;OR 4&#46;91&#44; 95&#37; CI 1&#46;77&#8211;13&#46;57&#44; p&#61;0&#46;002&#41; and LA diameter &#40;OR 1&#46;14&#44; 95&#37; CI 1&#46;03&#8211;1&#46;25&#44; p&#61;0&#46;008&#41; remained independent predictors of new-onset AF &#40;<a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a>&#41;&#46; Respiratory infection failed to reach statistical significance by a narrow margin &#40;OR 4&#46;17&#44; 95&#37; CI 0&#46;99&#8211;17&#46;38&#44; p&#61;0&#46;050&#41;&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Clinical outcomes and prognosis</span><p id="par0090" class="elsevierStylePara elsevierViewall">New-onset AF was a predictor of death &#40;p&#61;0&#46;044&#41; during hospital stay and showed a tendency towards higher mortality during follow-up &#40;6&#46;6&#37; vs&#46; 3&#46;7&#37;&#44; p&#61;0&#46;207&#59; mean follow-up 197&#177;78 days&#41;&#46; When both in-hospital and follow-up mortality were assessed collectively &#40;overall mortality&#41;&#44; new-onset AF was related to worse prognosis &#40;13&#46;4&#37; vs&#46; 5&#46;9&#37;&#44; log rank p&#61;0&#46;007&#41;&#44; as illustrated by the Kaplan&#8211;Meier curves in <a class="elsevierStyleCrossRef" href="#fig0005">Figure 1</a>&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0095" class="elsevierStylePara elsevierViewall">Together with age&#44; diabetes and maximum Killip class III and IV&#44; new-onset AF remained an independent predictor of overall mortality&#44; carrying a risk 3&#46;11 times higher than in the group without AF &#40;95&#37; CI 1&#46;10&#8211;8&#46;76&#44; p&#61;0&#46;032&#41;&#44; as shown in <a class="elsevierStyleCrossRef" href="#tbl0020">Table 4</a>&#46;</p><elsevierMultimedia ident="tbl0020"></elsevierMultimedia></span></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Discussion</span><p id="par0100" class="elsevierStylePara elsevierViewall">Our group reported earlier<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">13</span></a> that in the context of ACS the presence of AF by itself&#44; documented in the first 48 hours of hospitalization&#44; was an independent predictor of in-hospital and six-month mortality&#46; The relevance of AF type &#40;pre-existing or new-onset&#41; was not assessed&#46; In this study we refined the definition of AF according to its timing to scrutinize the role of new-onset AF&#46;</p><p id="par0105" class="elsevierStylePara elsevierViewall">The present study demonstrated that&#58; &#40;1&#41; age&#44; LVEF &#8804;40&#37; and LA diameter are independent predictors of new-onset AF&#59; &#40;2&#41; new-onset AF is associated with worse clinical features during hospital stay&#59; and &#40;3&#41; new-onset AF is associated with higher in-hospital and overall mortality and a tendency towards higher mortality during follow-up&#46;</p><p id="par0110" class="elsevierStylePara elsevierViewall">The incidence of new-onset AF was 10&#46;1&#37; in our population&#44; which is similar to that described in the literature&#46;<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1&#8211;3&#44;14&#8211;17</span></a></p><p id="par0115" class="elsevierStylePara elsevierViewall">In a recent review regarding new-onset AF in the setting of ACS&#44; Lau et al&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">18</span></a> reported several factors associated with new-onset AF following multivariate analysis&#44; including advanced age&#44; higher Killip class or heart failure&#44; hypotension&#44; higher heart rate&#44; history of hypertension&#44; history of stroke&#44; female gender&#44; increased peak creatinine and increased C-reactive protein levels&#46; Previous studies have also documented the association of new-onset AF with LV dysfunction&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> In our study&#44; some of these variables were also related to the development of new-onset AF in univariate analysis &#40;heart failure&#44; higher heart rate&#44; history of hypertension and increased peak creatinine&#41;&#44; but only advanced age and LV dysfunction remained as risk factors in multivariate analysis&#46; The mechanisms underlying the relation between AF and these factors include age-associated loss of atrial myocardium and conduction disturbances and the increased atrial pressure and volume overload&#44; secondary valvular dysfunction and chronic neurohormonal stimulation that occur in LV dysfunction and heart failure&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a></p><p id="par0120" class="elsevierStylePara elsevierViewall">Besides the well-known risk factors described above&#44; LA diameter remained an independent predictor for AF occurrence in our study&#46; LA diameter&#44; a parameter not often assessed in other studies&#44; is a marker of progressive dilatation and remodeling of LA myocardium&#44; which acts as a substrate for AF initiation and maintenance&#46;<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">19</span></a> However&#44; this association may also be explained by the presence of other risk factors&#58; predictors of new-onset AF in univariate analysis such as hypertension&#44; a recognized risk factor for new-onset AF and AF-related complications&#44;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a> and valvular heart disease&#44; a frequent finding in AF patients&#44;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a> could have contributed to LA dilatation&#46; LA diameter is an easily obtainable parameter on the transthoracic echocardiogram that may help to stratify risk for new-onset AF in the setting of ACS&#46;</p><p id="par0125" class="elsevierStylePara elsevierViewall">Patients with previous CABG also had a predisposition to development of AF in univariate analysis&#44; reinforcing the close relationship between CAD and this arrhythmia&#46; Aspirin use was a predictor in univariate analysis&#44; possibly because it is frequently prescribed in patients with documented CAD or at risk for CAD&#46;</p><p id="par0130" class="elsevierStylePara elsevierViewall">Respiratory infection was a risk factor in univariate analysis and almost reached statistical significance in multivariate analysis&#46; This association has been described as a predictor of AF after CABG&#46;<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">20</span></a> Inflammation and active infection promote the release of cytokines and upregulation of Toll-like receptor-2 expression on monocytes&#44; which may act as a trigger for AF&#46;<a class="elsevierStyleCrossRef" href="#bib0105"><span class="elsevierStyleSup">21</span></a></p><p id="par0135" class="elsevierStylePara elsevierViewall">During hospital stay&#44; new-onset AF was associated with worse laboratory and echocardiographic features&#46; Elevated biomarkers associated with renal dysfunction &#40;peak creatinine and cystatin C&#41; and with heart failure &#40;NT-proBNP&#41; were recorded&#46; Besides the echocardiographic parameters &#40;LVEF &#8804;40&#37; and LA diameter&#41; described above&#44; significant mitral regurgitation &#40;grade &#62;II&#47;IV&#41; predicted new-onset AF in univariate analysis&#46; It is known that significant mitral regurgitation &#40;from degenerative causes or organic valvular abnormalities&#41;&#44; through increase in LA size&#44; is associated with development of AF&#44; at a rate of about 5&#37; per year&#46;<a class="elsevierStyleCrossRef" href="#bib0110"><span class="elsevierStyleSup">22</span></a></p><p id="par0140" class="elsevierStylePara elsevierViewall">Coronary angiography revealed an association between new-onset AF and the absence of coronary lesions and lower rates of revascularization&#46; The former could be a consequence of early reperfusion after a thromboembolic event or simply the result of an imbalance between myocardial oxygen supply and demand caused by the tachyarrhythmia&#46;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">11</span></a> The latter&#44; due to a lower rate of percutaneous coronary intervention &#40;CABG remained unchanged&#41;&#44; a finding also reported by other authors&#44;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">18</span></a> might also be secondary to the hypotheses mentioned above&#44; but could additionally be associated with optimal medical treatment choice due to severe comorbidities or diffuse CAD not amenable to revascularization&#46;</p><p id="par0145" class="elsevierStylePara elsevierViewall">Our analysis of new-onset AF in the setting of ACS showed that&#44; as in previous publications&#44;<a class="elsevierStyleCrossRefs" href="#bib0070"><span class="elsevierStyleSup">14&#8211;18</span></a> these patients had higher overall &#40;in-hospital plus follow-up&#41; mortality &#40;13&#46;4&#37; vs&#46; 5&#46;9&#37;&#44; log rank p&#61;0&#46;007&#41;&#46; As described by McManus et al&#46;<a class="elsevierStyleCrossRef" href="#bib0115"><span class="elsevierStyleSup">23</span></a> in the large multinational GRACE registry including 59 032 patients hospitalized with ACS&#44; new-onset AF was associated with high overall in-hospital mortality &#40;14&#46;5&#37;&#41;&#46; However&#44; in the latter study short-term mortality declined over the study period &#40;between 2000 and 2007&#41;&#44; likely reflecting enhanced treatment&#46; Improvements in ACS therapy in the last decade may also explain why we found lower in-hospital mortality in new-onset AF patients &#40;8&#46;8&#37;&#41;&#46; The relation between new-onset AF and worse prognosis could be explained as a function of the comorbidities associated with this arrhythmia&#44; since young patients with AF and no structural heart disease do not have increased mortality&#46;<a class="elsevierStyleCrossRef" href="#bib0120"><span class="elsevierStyleSup">24</span></a> However&#44; new-onset AF remained an independent predictor of overall mortality in multivariate analysis&#44; and the literature indicates that AF is an independent powerful adverse prognostic factor&#46;<a class="elsevierStyleCrossRefs" href="#bib0020"><span class="elsevierStyleSup">4&#44;14&#8211;18&#44;25</span></a> Although not addressed by this study&#44; several other questions should be considered regarding the setting of new-onset AF and ACS&#46; During ACS&#44; the clinical impact and prognosis of AF type &#40;new-onset or pre-existing&#41; may be different&#44; but the published data are not consensual&#46;<a class="elsevierStyleCrossRefs" href="#bib0010"><span class="elsevierStyleSup">2&#8211;4&#44;26&#44;27</span></a> How should new-onset AF in this context be treated and prevented&#63; In terms of long-term management&#44; what therapeutic strategy &#40;rate control vs&#46; rhythm management&#41; should be preferred&#63; Do antiarrhythmic drugs have a role to play&#63; Should all patients be discharged under anticoagulation therapy&#63;</p><p id="par0150" class="elsevierStylePara elsevierViewall">The literature in these fields is scarce&#44; especially concerning optimal treatment modalities&#46; Randomized controlled trials are needed to clarify these issues&#46;</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Limitations</span><p id="par0155" class="elsevierStylePara elsevierViewall">There are several limitations to be considered in the interpretation of our study&#46; First&#44; this was a retrospective&#44; observational and non-randomized study conducted at a single hospital&#44; and as such&#44; both identified and unidentified confounders may have influenced the outcomes&#46; For instance&#44; the duration of new-onset AF could not be determined with certainty in patients without AF history who presented with this arrhythmia at admission&#44; and they may therefore have been misclassified&#46; Indeed&#44; patients with AF of different timing may have different clinical features and prognosis&#46; Second&#44; the number of patients studied with new-onset AF was small&#44; which could limit the number of independent predictors identified and the consistency of the results&#46; Third&#44; we did not investigate other potential risk factors described in the literature&#44; such as diastolic function&#46;<a class="elsevierStyleCrossRef" href="#bib0140"><span class="elsevierStyleSup">28</span></a> Fourth&#44; most variables were determined by consulting medical records that could have been incomplete&#46; Finally&#44; as stated above&#44; several other questions remain unanswered&#44; especially those regarding the effect of AF type and therapeutic management in the short and long term&#46;</p></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Conclusions</span><p id="par0160" class="elsevierStylePara elsevierViewall">Patients with new-onset AF in the context of ACS have worse clinical manifestations during hospitalization and adverse prognostic implications not only for the period of hospital stay but also throughout follow-up&#46; Age&#44; LV systolic dysfunction &#40;LVEF &#8804;40&#37;&#41; and greater LA diameter are risk factors for new-onset AF&#46;</p><p id="par0165" class="elsevierStylePara elsevierViewall">Better data are needed to enable the development of strategies to stratify and treat these patients in the short and long term&#46;</p></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0125">Ethical disclosures</span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0130">Protection of human and animal subjects</span><p id="par0170" class="elsevierStylePara elsevierViewall">The authors declare that no experiments were performed on humans or animals for this study&#46;</p></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0135">Confidentiality of data</span><p id="par0175" class="elsevierStylePara elsevierViewall">The authors declare that they have followed the protocols of their work center on the publication of patient data&#46;</p></span><span id="sec0065" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0140">Right to privacy and informed consent</span><p id="par0180" 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="sec0070" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0145">Conflicts of interests</span><p id="par0185" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interests to declare&#46;</p></span></span>"
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        "titulo" => "Abstract"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0010">Introduction</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">New-onset atrial fibrillation &#40;AF&#41; frequently complicates myocardial infarction&#44; with an incidence of 6&#8211;21&#37;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0015">Objective</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">To assess the predictors and prognosis of new-onset AF during acute coronary syndromes &#40;ACS&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0020">Methods</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">We performed a retrospective observational cohort study including 902 consecutive patients &#40;mean age 64 years&#44; 77&#46;5&#37; male&#41; admitted to a single center over a two-year period&#44; with a six-month follow-up&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0025">Results</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">AF rhythm was identified in 13&#46;8&#37; patients&#44; of whom 73&#46;3&#37; presented new-onset AF and 26&#46;8&#37; pre-existing AF&#46; New-onset AF was more frequent in older &#40;p&#60;0&#46;001&#41; and hypertensive patients &#40;p&#61;0&#46;001&#41; and in those with previous valvular heart disease &#40;p&#60;0&#46;001&#41; and coronary artery bypass grafting &#40;p&#61;0&#46;049&#41;&#46; During hospitalization&#44; patients with new-onset AF more often had respiratory infection &#40;p&#61;0&#46;002&#41; and heart failure &#40;p&#60;0&#46;001&#41;&#44; and higher values of NT-proBNP &#40;p&#61;0&#46;007&#41; and peak creatinine &#40;p&#61;0&#46;001&#41;&#46; On echocardiography they had greater left atrial &#40;LA&#41; diameter &#40;p&#60;0&#46;001&#41; and more frequent significant mitral regurgitation &#40;p&#60;0&#46;001&#41; and left ventricular ejection fraction &#40;LVEF&#41; &#8804;40&#37; &#40;p&#60;0&#46;001&#41; and were less likely to have significant coronary lesions &#40;p&#61;0&#46;009&#41; or to have undergone coronary revascularization &#40;p&#60;0&#46;001&#41;&#46; In multivariate analysis&#44; age &#40;OR 1&#46;06&#44; p&#61;0&#46;021&#41;&#44; LVEF &#8804;40&#37; &#40;OR 4&#46;91&#44; p&#61;0&#46;002&#41; and LA diameter &#40;OR 1&#46;14&#44; p&#61;0&#46;008&#41; remained independent predictors of new-onset AF&#46; Together with age&#44; diabetes and maximum Killip class&#44; this arrhythmia was an independent predictor of overall mortality &#40;OR 3&#46;11&#44; p&#61;0&#46;032&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0030">Conclusions</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Age&#44; LVEF &#8804;40&#37; and LA diameter are independent predictors of new-onset AF during ACS&#46; This arrhythmia is associated with higher overall mortality &#40;in-hospital and in follow-up&#41;&#46;</p>"
      ]
      "pt" => array:2 [
        "titulo" => "Resumo"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0040">Introdu&#231;&#227;o</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">A fibrilha&#231;&#227;o auricular &#40;FA&#41; de novo complica frequentemente o enfarte agudo do mioc&#225;rdio&#44; tendo uma incid&#234;ncia entre 6-21&#37;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0045">Objetivos</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Determinar os preditores e progn&#243;stico da FA de novo nas s&#237;ndromes coron&#225;rias agudas &#40;SCA&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0050">M&#233;todos</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Estudo retrospetivo observacional de coorte&#44; incluindo 902 doentes consecutivos &#40;idade m&#233;dia&#58; 64 anos&#59; 77&#44;5&#37; homens&#41;&#44; admitidos num hospital&#44; durante dois anos&#44; com follow-up de seis meses&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0055">Resultados</span><p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">O ritmo de FA foi identificado em 13&#44;8&#37; doentes&#44; dos quais 73&#44;3&#37; apresentaram FA de novo e 26&#44;8&#37; FA pr&#233;-existente&#46; A FA de novo ocorreu mais nos idosos &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#44; hipertensos &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#44; doentes com hist&#243;ria de patologia valvular &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41; e cirurgia de revasculariza&#231;&#227;o mioc&#225;rdica &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;049&#41;&#46; No internamento&#44; verificou-se maior incid&#234;ncia de infe&#231;&#227;o respirat&#243;ria &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;002&#41; e insufici&#234;ncia card&#237;aca &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; Aferiram-se valores superiores de NT-proBNP &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;007&#41; e creatinina pico &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; Na avalia&#231;&#227;o ecocardiogr&#225;fica observou-se um di&#226;metro superior da aur&#237;cula esquerda &#40;AE&#59; p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#44; maior preval&#234;ncia de insufici&#234;ncia mitral significativa &#40;grau &#8805; II&#47;IV&#59; p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41; e fra&#231;&#227;o de eje&#231;&#227;o ventricular esquerda &#8804; 40&#37; &#40;FEVE &#8804; 40&#37;&#59; p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; Documentou-se aus&#234;ncia de les&#245;es coron&#225;rias significativas &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;009&#41; e n&#227;o-revasculariza&#231;&#227;o coron&#225;ria &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; Na an&#225;lise multivariada&#44; a idade &#40;OR 1&#44;06&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;021&#41;&#44; a FEVE &#8804; 40&#37; &#40;OR 4&#44;91&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;002&#41; e o di&#226;metro da AE &#40;OR 1&#44;14&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;008&#41; permaneceram preditores independentes da FA de novo&#46; Juntamente com a idade&#44; diabetes&#44; e classe de Killip m&#225;xima&#44; a FA de novo foi preditora independente da mortalidade global &#40;OR 3&#44;11&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;032&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0060">Conclus&#245;es</span><p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">A idade&#44; FEVE&#8804;40&#37; e di&#226;metro da AE s&#227;o preditores independentes da FA de novo durante as SCA&#46; Esta arritmia acarreta uma maior mortalidade global &#40;mortalidade intra-hospitalar e durante o seguimento&#41;&#46;</p>"
      ]
    ]
    "nomenclatura" => array:1 [
      0 => array:3 [
        "identificador" => "nom0005"
        "titulo" => "<span class="elsevierStyleSectionTitle" id="sect0075">List of abbreviations</span>"
        "listaDefinicion" => array:1 [
          0 => array:1 [
            "definicion" => array:6 [
              0 => array:2 [
                "termino" => "ACS"
                "descripcion" => "<p id="par0005" class="elsevierStylePara elsevierViewall">acute coronary syndromes</p>"
              ]
              1 => array:2 [
                "termino" => "AF"
                "descripcion" => "<p id="par0010" class="elsevierStylePara elsevierViewall">atrial fibrillation</p>"
              ]
              2 => array:2 [
                "termino" => "LA"
                "descripcion" => "<p id="par0015" class="elsevierStylePara elsevierViewall">left atrial</p>"
              ]
              3 => array:2 [
                "termino" => "LV"
                "descripcion" => "<p id="par0020" class="elsevierStylePara elsevierViewall">left ventricular</p>"
              ]
              4 => array:2 [
                "termino" => "LVEF"
                "descripcion" => "<p id="par0025" class="elsevierStylePara elsevierViewall">left ventricular ejection fraction</p>"
              ]
              5 => array:2 [
                "termino" => "MI"
                "descripcion" => "<p id="par0030" class="elsevierStylePara elsevierViewall">myocardial infarction</p>"
              ]
            ]
          ]
        ]
      ]
    ]
    "multimedia" => array:5 [
      0 => array:7 [
        "identificador" => "fig0005"
        "etiqueta" => "Figure 1"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "gr1.jpeg"
            "Alto" => 1871
            "Ancho" => 1668
            "Tamanyo" => 113170
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Kaplan&#8211;Meier curves representing overall mortality for patients with and without new-onset AF&#46;</p>"
        ]
      ]
      1 => array:7 [
        "identificador" => "tbl0005"
        "etiqueta" => "Table 1"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:2 [
          "leyenda" => "<p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">ACEI&#58; angiotensin-converting enzyme inhibitor&#59; ARB&#58; angiotensin receptor blocker&#59; CABG&#58; coronary artery bypass grafting&#59; CV&#58; cardiovascular&#59; MI&#58; myocardial infarction&#59; SD&#58; standard deviation&#59; VHD&#58; valvular heart disease&#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="" 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">With new-onset AF &#40;n&#61;91&#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">Without new-onset AF &#40;n&#61;778&#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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Demographics</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>Age &#40;years&#41;&#44; mean &#40;SD&#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">71 &#40;12&#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">63 &#40;13&#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">&#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>Male&#44; &#37;&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">71&#46;4&#37;&nbsp;\t\t\t\t\t\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">78&#46;4&#37;&nbsp;\t\t\t\t\t\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;130&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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">CV risk factors&#44; &#37;</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>Hypertension&nbsp;\t\t\t\t\t\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">79&#46;1&#37;&nbsp;\t\t\t\t\t\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">62&#46;1&#37;&nbsp;\t\t\t\t\t\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>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="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">29&#46;7&#37;&nbsp;\t\t\t\t\t\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;5&#37;&nbsp;\t\t\t\t\t\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;515&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="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">54&#46;9&#37;&nbsp;\t\t\t\t\t\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">53&#46;7&#37;&nbsp;\t\t\t\t\t\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;826&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="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">18&#46;7&#37;&nbsp;\t\t\t\t\t\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;4&#37;&nbsp;\t\t\t\t\t\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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">History&#44; &#37;</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>MI&nbsp;\t\t\t\t\t\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;0&#37;&nbsp;\t\t\t\t\t\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;7&#37;&nbsp;\t\t\t\t\t\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;067&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>CABG&nbsp;\t\t\t\t\t\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;7&#37;&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">8&#46;8&#37;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">1&#46;5&#37;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">8&#46;8&#37;&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">7&#46;2&#37;&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
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">36&#46;3&#37;&nbsp;\t\t\t\t\t\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;9&#37;&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  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>ACEI&#47;ARB&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">49&#46;5&#37;&nbsp;\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\ttop\n
                  \t\t\t\t">42&#46;4&#37;&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"><span class="elsevierStyleHsp" style=""></span>Beta-blocker&nbsp;\t\t\t\t\t\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">27&#46;5&#37;&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">20&#46;2&#37;&nbsp;\t\t\t\t\t\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;106&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="elsevierStyleHsp" style=""></span>Statin&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">35&#46;2&#37;&nbsp;\t\t\t\t\t\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;1&#37;&nbsp;\t\t\t\t\t\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;834&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "leyenda" => "<p id="spar0075" class="elsevierStyleSimplePara elsevierViewall">ACS&#58; acute coronary syndrome&#59; CABG&#58; coronary artery bypass grafting&#59; CAD&#58; coronary artery disease&#59; CRP&#58; C-reactive protein&#59; LA&#58; left atrial&#59; LVEF&#58; left ventricular ejection fraction&#59; MR&#58; mitral regurgitation&#59; NT-proBNP&#58; N-terminal pro-brain natriuretic peptide&#59; PCI&#58; percutaneous coronary intervention&#59; SBP&#58; systolic blood pressure&#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\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">With new-onset AF &#40;n&#61;91&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-head\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Without new-onset AF &#40;n&#61;778&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-head\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">p&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Heart rate &#40;bpm&#41;&#44;<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a> mean &#40;SD&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">85 &#40;24&#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">75 &#40;17&#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"><span class="elsevierStyleHsp" style=""></span>SBP &#40;mmHg&#41;&#44;<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a> mean &#40;SD&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">128 &#40;29&#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">128 &#40;27&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0&#46;779&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>Heart failure&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">53&#46;8&#37;&nbsp;\t\t\t\t\t\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">30&#46;8&#37;&nbsp;\t\t\t\t\t\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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                  \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>Respiratory infection&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">20&#46;5&#37;&nbsp;\t\t\t\t\t\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;6&#37;&nbsp;\t\t\t\t\t\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;007&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>ST-elevation ACS&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">61&#46;5&#37;&nbsp;\t\t\t\t\t\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&#46;7&#37;&nbsp;\t\t\t\t\t\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;110&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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Blood tests&#44; mean &#40;SD&#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>Peak creatinine &#40;mg&#47;dl&#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">1&#46;36 &#40;0&#46;85&#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">1&#46;15 &#40;0&#46;52&#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;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>Cystatin C &#40;mg&#47;l&#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">1&#46;03 &#40;1&#46;12&#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">0&#46;86 &#40;0&#46;56&#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;033&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>CRP &#40;mg&#47;l&#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 &#40;36&#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">16 &#40;33&#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;104&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>NT-proBNP &#40;pg&#47;ml&#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">4495 &#40;8673&#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">2639 &#40;5393&#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;007&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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Echocardiography</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>LA diameter &#40;mm&#41;&#44; mean &#40;SD&#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">46 &#40;6&#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">42 &#40;5&#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">&#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>LVEF &#8804;40&#37;&#44; &#37;&nbsp;\t\t\t\t\t\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">53&#46;9&#37;&nbsp;\t\t\t\t\t\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;0&#37;&nbsp;\t\t\t\t\t\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>MR &#40;grade &#62;II&#47;IV&#41;&#44; &#37;&nbsp;\t\t\t\t\t\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">33&#46;3&#37;&nbsp;\t\t\t\t\t\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">13&#46;1&#37;&nbsp;\t\t\t\t\t\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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\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>Absence of significant CAD&#44; &#37;&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">13&#46;2&#37;&nbsp;\t\t\t\t\t\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;9&#37;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;009&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>Multivessel disease&#44; &#37;&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">64&#46;2&#37;&nbsp;\t\t\t\t\t\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">62&#46;6&#37;&nbsp;\t\t\t\t\t\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;778&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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\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>PCI&nbsp;\t\t\t\t\t\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">49&#46;4&#37;&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">66&#46;0&#37;&nbsp;\t\t\t\t\t\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;003&nbsp;\t\t\t\t\t\t\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>CABG&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">12&#46;9&#37;&nbsp;\t\t\t\t\t\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">13&#46;7&#37;&nbsp;\t\t\t\t\t\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;847&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>Total&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">62&#46;4&#37;&nbsp;\t\t\t\t\t\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">79&#46;7&#37;&nbsp;\t\t\t\t\t\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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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Mortality</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>During hospital stay&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">8&#46;8&#37;&nbsp;\t\t\t\t\t\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&#37;&nbsp;\t\t\t\t\t\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;044&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>During follow-up&nbsp;\t\t\t\t\t\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;6&#37;&nbsp;\t\t\t\t\t\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;7&#37;&nbsp;\t\t\t\t\t\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;217&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>Overall&nbsp;\t\t\t\t\t\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">13&#46;4&#37;&nbsp;\t\t\t\t\t\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;9&#37;&nbsp;\t\t\t\t\t\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></tbody></table>
                  """
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                  \t\t\t\t\tvoid\n
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                  \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">Variables&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">OR&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">95&#37; CI&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-head\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">p&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;061&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">1&#46;009&#8211;1&#46;115&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;021&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">LVEF &#8804;40&#37;&nbsp;\t\t\t\t\t\t\n
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                    0 => array:2 [
                      "titulo" => "Atrial fibrillation in acute myocardial infarction&#58; a systematic review of the incidence&#44; clinical features and prognostic implications"
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                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
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                        "volumen" => "30"
                        "paginaInicial" => "1038"
                        "paginaFinal" => "1045"
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                          "autores" => array:3 [
                            0 => "D&#46;H&#46; Lau"
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                    ]
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                    0 => array:2 [
                      "doi" => "10.1016/j.amjcard.2009.06.055"
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                          "autores" => array:3 [
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Original Article
New-onset atrial fibrillation during acute coronary syndromes: Predictors and prognosis
Fibrilhação auricular de novo no contexto das síndromes coronárias agudas – preditores e prognóstico
Carlos Galvão Braga
Autor para correspondência
carlos.galvaobraga@gmail.com

Corresponding author.
, Vítor Ramos, Catarina Vieira, Juliana Martins, Sílvia Ribeiro, António Gaspar, Alberto Salgado, Pedro Azevedo, Miguel Álvares Pereira, Sónia Magalhães, Adelino Correia
Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
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7602
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          "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Kaplan&#8211;Meier curves representing overall mortality for patients with and without new-onset AF&#46;</p>"
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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Introduction</span><p id="par0035" class="elsevierStylePara elsevierViewall">Atrial &#64257;brillation &#40;AF&#41;&#44; the most commonly encountered clinical arrhythmia&#44; often occurs in the setting of myocardial infarction &#40;MI&#41;&#44; with a reported incidence between 6 and 21&#37;&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> New-onset AF should be differentiated from pre-existing AF&#44; since they may have different clinical and therapeutic implications&#46;<a class="elsevierStyleCrossRefs" href="#bib0010"><span class="elsevierStyleSup">2&#44;3</span></a> Nevertheless&#44; the presence of AF is associated with a high risk of heart failure and mortality in MI patients&#44; regardless of its timing&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> During AF&#44; rapid and irregular ventricular rates&#44; inadequate ventricular filling and loss of atrial contribution to cardiac output lead to an increase in oxygen demand&#44; causing further impairment in coronary perfusion and left ventricular &#40;LV&#41; systolic function&#46;<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> Factors precipitating AF during acute coronary syndromes &#40;ACS&#41; include atrial ischemia or infarction&#44; right ventricular infarction&#44; pericardial inflammation&#44; acute hypoxia&#44; ionic disturbances such as hypokalemia&#44; hemodynamic impairment secondary to LV dysfunction&#44; and circulating catecholamines &#40;endogenous or exogenous&#41;&#46;<a class="elsevierStyleCrossRefs" href="#bib0030"><span class="elsevierStyleSup">6&#8211;8</span></a> The result is a vicious circle composed of AF&#44; myocardial ischemia and heart failure&#44; in which each element aggravates the other two&#46; In the early period of ACS&#44; several factors have been associated with the occurrence of AF&#44; such as advanced age&#44; heart failure&#44; LV dysfunction&#44; mitral regurgitation&#44; excessive sympathetic&#47;parasympathetic nerve stimulation&#44; pericarditis and activation of inflammation&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a> It would be useful to identify predictors for the development of AF in the setting of ACS&#44; given that identification of high-risk patients would assist in the development of prophylactic antiarrhythmic therapies&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">The primary aim of this study was to identify the predictors and assess the prognosis of new-onset AF during ACS&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Methods</span><p id="par0045" class="elsevierStylePara elsevierViewall">This was a retrospective observational cohort study with a six-month follow-up&#46; All patients &#40;n&#61;902&#59; mean age 64 years&#44; 77&#46;5&#37; male&#41; consecutively admitted to the coronary care unit of a single center with a diagnosis of ACS between July 2009 and June 2011 were included&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">Diagnoses of ACS and AF were made according to the European Society of Cardiology guidelines&#46;<a class="elsevierStyleCrossRefs" href="#bib0050"><span class="elsevierStyleSup">10&#8211;12</span></a> Development of heart failure during hospital stay was defined as Killip class &#8805;2&#46; Patients with AF were divided according to the timing of the arrhythmia&#58; every patient who presented with AF for the first time &#40;i&#46;e&#46;&#44; who did not have previously documented AF&#41; at admission or during hospital stay was considered to have new-onset AF&#44; while those with previously documented AF were classified as having pre-existing AF and were excluded from the statistical analysis&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Demographic&#44; clinical&#44; laboratory&#44; echocardiographic and coronary angiographic data were collected&#46; Regarding laboratory data&#44; NT-proBNP and cystatin C values were obtained in the first 24 hours after admission&#44; and peak creatinine was considered to be the maximum value during hospitalization&#46; The first echocardiogram performed in hospital was used to provide echocardiographic data&#46; Coronary angiographic data were collected from coronary angiography performed during hospital stay&#46; Significant coronary artery disease &#40;CAD&#41; on coronary angiography was defined as at least one &#8805;50&#37; lesion in the left main artery and&#47;or &#8805;70&#37; in other coronary arteries&#46; Multivessel disease was defined as significant stenosis in two or more major epicardial arteries&#46; Although this was a retrospective cohort study&#44; all clinical and laboratory data were collected prospectively and recorded in a computerized database&#44; in accordance with our department&#39;s protocol for patients admitted to the coronary care unit with ACS&#46;</p><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Statistical analysis</span><p id="par0060" class="elsevierStylePara elsevierViewall">Univariate analysis of categorical variables was performed using the chi-square test&#44; with results expressed as percentages&#44; and of continuous variables using the Student&#39;s t test&#44; with results expressed as means &#177; standard deviation&#46; Multivariate logistic regression analysis was used to determine independent predictors of new-onset AF&#44; including only variables with statistical significance on univariate analysis&#46; Multivariate logistic analysis was also performed to determine independent predictors of overall mortality &#40;in-hospital and follow-up&#41;&#46; Kaplan&#8211;Meier analysis was used to illustrate six-month cumulative mortality according to the presence of new-onset AF&#46; Differences with p&#60;0&#46;05 were considered significant&#46; The statistical analysis was carried out using SPSS version 18&#46;0&#46;</p></span></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Results</span><p id="par0065" class="elsevierStylePara elsevierViewall">In the study population &#40;n&#61;902&#41;&#44; AF rhythm was identified in 13&#46;8&#37; patients &#40;n&#61;124&#41;&#44; of whom 73&#46;3&#37; &#40;n&#61;91&#41; presented new-onset AF and 26&#46;8&#37; &#40;n&#61;33&#41; pre-existing AF&#46; New-onset AF patients were studied according to their baseline characteristics&#44; in-hospital features and clinical outcomes&#46;</p><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Baseline characteristics and in-hospital data</span><p id="par0070" class="elsevierStylePara elsevierViewall">The baseline characteristics of the study population are shown in <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0075" class="elsevierStylePara elsevierViewall">New-onset AF was more frequent in older &#40;p&#60;0&#46;001&#41;&#44; non-smoking &#40;p&#61;0&#46;013&#41; and hypertensive &#40;p&#61;0&#46;001&#41; patients&#44; as well as in those with previous valvular heart disease &#40;p&#60;0&#46;001&#41;&#44; history of coronary artery bypass grafting &#40;CABG&#41; &#40;p&#61;0&#46;049&#41; and previously treatment with aspirin &#40;p&#61;0&#46;005&#41;&#46; No differences were seen regarding other cardiovascular risk factors or history&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">During hospitalization&#44; patients with new-onset AF presented with higher heart rate &#40;p&#60;0&#46;001&#41; and had a higher prevalence of respiratory tract infections &#40;p&#61;0&#46;002&#41; and heart failure &#40;p&#60;0&#46;001&#41;&#46; Regarding laboratory parameters&#44; higher mean NT-proBNP &#40;p&#61;0&#46;007&#41;&#44; cystatin C &#40;p&#61;0&#46;033&#41; and peak creatinine &#40;p&#61;0&#46;001&#41; were recorded&#46; Echocardiographic data revealed an association between new-onset AF and greater left atrial &#40;LA&#41; diameter &#40;p&#60;0&#46;001&#41;&#44; significant mitral regurgitation &#40;grade &#8805;II&#47;IV&#59; p&#60;0&#46;001&#41; and LV ejection fraction &#40;LVEF&#41; &#8804;40&#37; &#40;p&#60;0&#46;001&#41;&#46; These patients were also less likely to have significant coronary lesions &#40;p&#61;0&#46;009&#41; or to have undergone coronary revascularization &#40;p&#60;0&#46;001&#41;&#44; the latter due to the lower number of percutaneous coronary interventions performed &#40;p&#61;0&#46;003&#41;&#46; The presence of multivessel disease was similar in the two groups&#46; Clinical information during hospital stay and laboratory&#44; echocardiographic&#44; coronary angiographic&#44; revascularization and mortality data are summarized in <a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0085" class="elsevierStylePara elsevierViewall">In multivariate analysis&#44; age &#40;odds ratio &#91;OR&#93; 1&#46;06&#44; 95&#37; confidence interval &#91;CI&#93; 1&#46;01&#8211;1&#46;12&#44; p&#61;0&#46;021&#41;&#44; LVEF &#8804;40&#37; &#40;OR 4&#46;91&#44; 95&#37; CI 1&#46;77&#8211;13&#46;57&#44; p&#61;0&#46;002&#41; and LA diameter &#40;OR 1&#46;14&#44; 95&#37; CI 1&#46;03&#8211;1&#46;25&#44; p&#61;0&#46;008&#41; remained independent predictors of new-onset AF &#40;<a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a>&#41;&#46; Respiratory infection failed to reach statistical significance by a narrow margin &#40;OR 4&#46;17&#44; 95&#37; CI 0&#46;99&#8211;17&#46;38&#44; p&#61;0&#46;050&#41;&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Clinical outcomes and prognosis</span><p id="par0090" class="elsevierStylePara elsevierViewall">New-onset AF was a predictor of death &#40;p&#61;0&#46;044&#41; during hospital stay and showed a tendency towards higher mortality during follow-up &#40;6&#46;6&#37; vs&#46; 3&#46;7&#37;&#44; p&#61;0&#46;207&#59; mean follow-up 197&#177;78 days&#41;&#46; When both in-hospital and follow-up mortality were assessed collectively &#40;overall mortality&#41;&#44; new-onset AF was related to worse prognosis &#40;13&#46;4&#37; vs&#46; 5&#46;9&#37;&#44; log rank p&#61;0&#46;007&#41;&#44; as illustrated by the Kaplan&#8211;Meier curves in <a class="elsevierStyleCrossRef" href="#fig0005">Figure 1</a>&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0095" class="elsevierStylePara elsevierViewall">Together with age&#44; diabetes and maximum Killip class III and IV&#44; new-onset AF remained an independent predictor of overall mortality&#44; carrying a risk 3&#46;11 times higher than in the group without AF &#40;95&#37; CI 1&#46;10&#8211;8&#46;76&#44; p&#61;0&#46;032&#41;&#44; as shown in <a class="elsevierStyleCrossRef" href="#tbl0020">Table 4</a>&#46;</p><elsevierMultimedia ident="tbl0020"></elsevierMultimedia></span></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Discussion</span><p id="par0100" class="elsevierStylePara elsevierViewall">Our group reported earlier<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">13</span></a> that in the context of ACS the presence of AF by itself&#44; documented in the first 48 hours of hospitalization&#44; was an independent predictor of in-hospital and six-month mortality&#46; The relevance of AF type &#40;pre-existing or new-onset&#41; was not assessed&#46; In this study we refined the definition of AF according to its timing to scrutinize the role of new-onset AF&#46;</p><p id="par0105" class="elsevierStylePara elsevierViewall">The present study demonstrated that&#58; &#40;1&#41; age&#44; LVEF &#8804;40&#37; and LA diameter are independent predictors of new-onset AF&#59; &#40;2&#41; new-onset AF is associated with worse clinical features during hospital stay&#59; and &#40;3&#41; new-onset AF is associated with higher in-hospital and overall mortality and a tendency towards higher mortality during follow-up&#46;</p><p id="par0110" class="elsevierStylePara elsevierViewall">The incidence of new-onset AF was 10&#46;1&#37; in our population&#44; which is similar to that described in the literature&#46;<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1&#8211;3&#44;14&#8211;17</span></a></p><p id="par0115" class="elsevierStylePara elsevierViewall">In a recent review regarding new-onset AF in the setting of ACS&#44; Lau et al&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">18</span></a> reported several factors associated with new-onset AF following multivariate analysis&#44; including advanced age&#44; higher Killip class or heart failure&#44; hypotension&#44; higher heart rate&#44; history of hypertension&#44; history of stroke&#44; female gender&#44; increased peak creatinine and increased C-reactive protein levels&#46; Previous studies have also documented the association of new-onset AF with LV dysfunction&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> In our study&#44; some of these variables were also related to the development of new-onset AF in univariate analysis &#40;heart failure&#44; higher heart rate&#44; history of hypertension and increased peak creatinine&#41;&#44; but only advanced age and LV dysfunction remained as risk factors in multivariate analysis&#46; The mechanisms underlying the relation between AF and these factors include age-associated loss of atrial myocardium and conduction disturbances and the increased atrial pressure and volume overload&#44; secondary valvular dysfunction and chronic neurohormonal stimulation that occur in LV dysfunction and heart failure&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a></p><p id="par0120" class="elsevierStylePara elsevierViewall">Besides the well-known risk factors described above&#44; LA diameter remained an independent predictor for AF occurrence in our study&#46; LA diameter&#44; a parameter not often assessed in other studies&#44; is a marker of progressive dilatation and remodeling of LA myocardium&#44; which acts as a substrate for AF initiation and maintenance&#46;<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">19</span></a> However&#44; this association may also be explained by the presence of other risk factors&#58; predictors of new-onset AF in univariate analysis such as hypertension&#44; a recognized risk factor for new-onset AF and AF-related complications&#44;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a> and valvular heart disease&#44; a frequent finding in AF patients&#44;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a> could have contributed to LA dilatation&#46; LA diameter is an easily obtainable parameter on the transthoracic echocardiogram that may help to stratify risk for new-onset AF in the setting of ACS&#46;</p><p id="par0125" class="elsevierStylePara elsevierViewall">Patients with previous CABG also had a predisposition to development of AF in univariate analysis&#44; reinforcing the close relationship between CAD and this arrhythmia&#46; Aspirin use was a predictor in univariate analysis&#44; possibly because it is frequently prescribed in patients with documented CAD or at risk for CAD&#46;</p><p id="par0130" class="elsevierStylePara elsevierViewall">Respiratory infection was a risk factor in univariate analysis and almost reached statistical significance in multivariate analysis&#46; This association has been described as a predictor of AF after CABG&#46;<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">20</span></a> Inflammation and active infection promote the release of cytokines and upregulation of Toll-like receptor-2 expression on monocytes&#44; which may act as a trigger for AF&#46;<a class="elsevierStyleCrossRef" href="#bib0105"><span class="elsevierStyleSup">21</span></a></p><p id="par0135" class="elsevierStylePara elsevierViewall">During hospital stay&#44; new-onset AF was associated with worse laboratory and echocardiographic features&#46; Elevated biomarkers associated with renal dysfunction &#40;peak creatinine and cystatin C&#41; and with heart failure &#40;NT-proBNP&#41; were recorded&#46; Besides the echocardiographic parameters &#40;LVEF &#8804;40&#37; and LA diameter&#41; described above&#44; significant mitral regurgitation &#40;grade &#62;II&#47;IV&#41; predicted new-onset AF in univariate analysis&#46; It is known that significant mitral regurgitation &#40;from degenerative causes or organic valvular abnormalities&#41;&#44; through increase in LA size&#44; is associated with development of AF&#44; at a rate of about 5&#37; per year&#46;<a class="elsevierStyleCrossRef" href="#bib0110"><span class="elsevierStyleSup">22</span></a></p><p id="par0140" class="elsevierStylePara elsevierViewall">Coronary angiography revealed an association between new-onset AF and the absence of coronary lesions and lower rates of revascularization&#46; The former could be a consequence of early reperfusion after a thromboembolic event or simply the result of an imbalance between myocardial oxygen supply and demand caused by the tachyarrhythmia&#46;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">11</span></a> The latter&#44; due to a lower rate of percutaneous coronary intervention &#40;CABG remained unchanged&#41;&#44; a finding also reported by other authors&#44;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">18</span></a> might also be secondary to the hypotheses mentioned above&#44; but could additionally be associated with optimal medical treatment choice due to severe comorbidities or diffuse CAD not amenable to revascularization&#46;</p><p id="par0145" class="elsevierStylePara elsevierViewall">Our analysis of new-onset AF in the setting of ACS showed that&#44; as in previous publications&#44;<a class="elsevierStyleCrossRefs" href="#bib0070"><span class="elsevierStyleSup">14&#8211;18</span></a> these patients had higher overall &#40;in-hospital plus follow-up&#41; mortality &#40;13&#46;4&#37; vs&#46; 5&#46;9&#37;&#44; log rank p&#61;0&#46;007&#41;&#46; As described by McManus et al&#46;<a class="elsevierStyleCrossRef" href="#bib0115"><span class="elsevierStyleSup">23</span></a> in the large multinational GRACE registry including 59 032 patients hospitalized with ACS&#44; new-onset AF was associated with high overall in-hospital mortality &#40;14&#46;5&#37;&#41;&#46; However&#44; in the latter study short-term mortality declined over the study period &#40;between 2000 and 2007&#41;&#44; likely reflecting enhanced treatment&#46; Improvements in ACS therapy in the last decade may also explain why we found lower in-hospital mortality in new-onset AF patients &#40;8&#46;8&#37;&#41;&#46; The relation between new-onset AF and worse prognosis could be explained as a function of the comorbidities associated with this arrhythmia&#44; since young patients with AF and no structural heart disease do not have increased mortality&#46;<a class="elsevierStyleCrossRef" href="#bib0120"><span class="elsevierStyleSup">24</span></a> However&#44; new-onset AF remained an independent predictor of overall mortality in multivariate analysis&#44; and the literature indicates that AF is an independent powerful adverse prognostic factor&#46;<a class="elsevierStyleCrossRefs" href="#bib0020"><span class="elsevierStyleSup">4&#44;14&#8211;18&#44;25</span></a> Although not addressed by this study&#44; several other questions should be considered regarding the setting of new-onset AF and ACS&#46; During ACS&#44; the clinical impact and prognosis of AF type &#40;new-onset or pre-existing&#41; may be different&#44; but the published data are not consensual&#46;<a class="elsevierStyleCrossRefs" href="#bib0010"><span class="elsevierStyleSup">2&#8211;4&#44;26&#44;27</span></a> How should new-onset AF in this context be treated and prevented&#63; In terms of long-term management&#44; what therapeutic strategy &#40;rate control vs&#46; rhythm management&#41; should be preferred&#63; Do antiarrhythmic drugs have a role to play&#63; Should all patients be discharged under anticoagulation therapy&#63;</p><p id="par0150" class="elsevierStylePara elsevierViewall">The literature in these fields is scarce&#44; especially concerning optimal treatment modalities&#46; Randomized controlled trials are needed to clarify these issues&#46;</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Limitations</span><p id="par0155" class="elsevierStylePara elsevierViewall">There are several limitations to be considered in the interpretation of our study&#46; First&#44; this was a retrospective&#44; observational and non-randomized study conducted at a single hospital&#44; and as such&#44; both identified and unidentified confounders may have influenced the outcomes&#46; For instance&#44; the duration of new-onset AF could not be determined with certainty in patients without AF history who presented with this arrhythmia at admission&#44; and they may therefore have been misclassified&#46; Indeed&#44; patients with AF of different timing may have different clinical features and prognosis&#46; Second&#44; the number of patients studied with new-onset AF was small&#44; which could limit the number of independent predictors identified and the consistency of the results&#46; Third&#44; we did not investigate other potential risk factors described in the literature&#44; such as diastolic function&#46;<a class="elsevierStyleCrossRef" href="#bib0140"><span class="elsevierStyleSup">28</span></a> Fourth&#44; most variables were determined by consulting medical records that could have been incomplete&#46; Finally&#44; as stated above&#44; several other questions remain unanswered&#44; especially those regarding the effect of AF type and therapeutic management in the short and long term&#46;</p></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Conclusions</span><p id="par0160" class="elsevierStylePara elsevierViewall">Patients with new-onset AF in the context of ACS have worse clinical manifestations during hospitalization and adverse prognostic implications not only for the period of hospital stay but also throughout follow-up&#46; Age&#44; LV systolic dysfunction &#40;LVEF &#8804;40&#37;&#41; and greater LA diameter are risk factors for new-onset AF&#46;</p><p id="par0165" class="elsevierStylePara elsevierViewall">Better data are needed to enable the development of strategies to stratify and treat these patients in the short and long term&#46;</p></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0125">Ethical disclosures</span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0130">Protection of human and animal subjects</span><p id="par0170" class="elsevierStylePara elsevierViewall">The authors declare that no experiments were performed on humans or animals for this study&#46;</p></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0135">Confidentiality of data</span><p id="par0175" class="elsevierStylePara elsevierViewall">The authors declare that they have followed the protocols of their work center on the publication of patient data&#46;</p></span><span id="sec0065" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0140">Right to privacy and informed consent</span><p id="par0180" 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="sec0070" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0145">Conflicts of interests</span><p id="par0185" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interests to declare&#46;</p></span></span>"
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        "titulo" => "Abstract"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0010">Introduction</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">New-onset atrial fibrillation &#40;AF&#41; frequently complicates myocardial infarction&#44; with an incidence of 6&#8211;21&#37;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0015">Objective</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">To assess the predictors and prognosis of new-onset AF during acute coronary syndromes &#40;ACS&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0020">Methods</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">We performed a retrospective observational cohort study including 902 consecutive patients &#40;mean age 64 years&#44; 77&#46;5&#37; male&#41; admitted to a single center over a two-year period&#44; with a six-month follow-up&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0025">Results</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">AF rhythm was identified in 13&#46;8&#37; patients&#44; of whom 73&#46;3&#37; presented new-onset AF and 26&#46;8&#37; pre-existing AF&#46; New-onset AF was more frequent in older &#40;p&#60;0&#46;001&#41; and hypertensive patients &#40;p&#61;0&#46;001&#41; and in those with previous valvular heart disease &#40;p&#60;0&#46;001&#41; and coronary artery bypass grafting &#40;p&#61;0&#46;049&#41;&#46; During hospitalization&#44; patients with new-onset AF more often had respiratory infection &#40;p&#61;0&#46;002&#41; and heart failure &#40;p&#60;0&#46;001&#41;&#44; and higher values of NT-proBNP &#40;p&#61;0&#46;007&#41; and peak creatinine &#40;p&#61;0&#46;001&#41;&#46; On echocardiography they had greater left atrial &#40;LA&#41; diameter &#40;p&#60;0&#46;001&#41; and more frequent significant mitral regurgitation &#40;p&#60;0&#46;001&#41; and left ventricular ejection fraction &#40;LVEF&#41; &#8804;40&#37; &#40;p&#60;0&#46;001&#41; and were less likely to have significant coronary lesions &#40;p&#61;0&#46;009&#41; or to have undergone coronary revascularization &#40;p&#60;0&#46;001&#41;&#46; In multivariate analysis&#44; age &#40;OR 1&#46;06&#44; p&#61;0&#46;021&#41;&#44; LVEF &#8804;40&#37; &#40;OR 4&#46;91&#44; p&#61;0&#46;002&#41; and LA diameter &#40;OR 1&#46;14&#44; p&#61;0&#46;008&#41; remained independent predictors of new-onset AF&#46; Together with age&#44; diabetes and maximum Killip class&#44; this arrhythmia was an independent predictor of overall mortality &#40;OR 3&#46;11&#44; p&#61;0&#46;032&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0030">Conclusions</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Age&#44; LVEF &#8804;40&#37; and LA diameter are independent predictors of new-onset AF during ACS&#46; This arrhythmia is associated with higher overall mortality &#40;in-hospital and in follow-up&#41;&#46;</p>"
      ]
      "pt" => array:2 [
        "titulo" => "Resumo"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0040">Introdu&#231;&#227;o</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">A fibrilha&#231;&#227;o auricular &#40;FA&#41; de novo complica frequentemente o enfarte agudo do mioc&#225;rdio&#44; tendo uma incid&#234;ncia entre 6-21&#37;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0045">Objetivos</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Determinar os preditores e progn&#243;stico da FA de novo nas s&#237;ndromes coron&#225;rias agudas &#40;SCA&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0050">M&#233;todos</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Estudo retrospetivo observacional de coorte&#44; incluindo 902 doentes consecutivos &#40;idade m&#233;dia&#58; 64 anos&#59; 77&#44;5&#37; homens&#41;&#44; admitidos num hospital&#44; durante dois anos&#44; com follow-up de seis meses&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0055">Resultados</span><p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">O ritmo de FA foi identificado em 13&#44;8&#37; doentes&#44; dos quais 73&#44;3&#37; apresentaram FA de novo e 26&#44;8&#37; FA pr&#233;-existente&#46; A FA de novo ocorreu mais nos idosos &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#44; hipertensos &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#44; doentes com hist&#243;ria de patologia valvular &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41; e cirurgia de revasculariza&#231;&#227;o mioc&#225;rdica &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;049&#41;&#46; No internamento&#44; verificou-se maior incid&#234;ncia de infe&#231;&#227;o respirat&#243;ria &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;002&#41; e insufici&#234;ncia card&#237;aca &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; Aferiram-se valores superiores de NT-proBNP &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;007&#41; e creatinina pico &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; Na avalia&#231;&#227;o ecocardiogr&#225;fica observou-se um di&#226;metro superior da aur&#237;cula esquerda &#40;AE&#59; p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#44; maior preval&#234;ncia de insufici&#234;ncia mitral significativa &#40;grau &#8805; II&#47;IV&#59; p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41; e fra&#231;&#227;o de eje&#231;&#227;o ventricular esquerda &#8804; 40&#37; &#40;FEVE &#8804; 40&#37;&#59; p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; Documentou-se aus&#234;ncia de les&#245;es coron&#225;rias significativas &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;009&#41; e n&#227;o-revasculariza&#231;&#227;o coron&#225;ria &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; Na an&#225;lise multivariada&#44; a idade &#40;OR 1&#44;06&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;021&#41;&#44; a FEVE &#8804; 40&#37; &#40;OR 4&#44;91&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;002&#41; e o di&#226;metro da AE &#40;OR 1&#44;14&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;008&#41; permaneceram preditores independentes da FA de novo&#46; Juntamente com a idade&#44; diabetes&#44; e classe de Killip m&#225;xima&#44; a FA de novo foi preditora independente da mortalidade global &#40;OR 3&#44;11&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;032&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0060">Conclus&#245;es</span><p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">A idade&#44; FEVE&#8804;40&#37; e di&#226;metro da AE s&#227;o preditores independentes da FA de novo durante as SCA&#46; Esta arritmia acarreta uma maior mortalidade global &#40;mortalidade intra-hospitalar e durante o seguimento&#41;&#46;</p>"
      ]
    ]
    "nomenclatura" => array:1 [
      0 => array:3 [
        "identificador" => "nom0005"
        "titulo" => "<span class="elsevierStyleSectionTitle" id="sect0075">List of abbreviations</span>"
        "listaDefinicion" => array:1 [
          0 => array:1 [
            "definicion" => array:6 [
              0 => array:2 [
                "termino" => "ACS"
                "descripcion" => "<p id="par0005" class="elsevierStylePara elsevierViewall">acute coronary syndromes</p>"
              ]
              1 => array:2 [
                "termino" => "AF"
                "descripcion" => "<p id="par0010" class="elsevierStylePara elsevierViewall">atrial fibrillation</p>"
              ]
              2 => array:2 [
                "termino" => "LA"
                "descripcion" => "<p id="par0015" class="elsevierStylePara elsevierViewall">left atrial</p>"
              ]
              3 => array:2 [
                "termino" => "LV"
                "descripcion" => "<p id="par0020" class="elsevierStylePara elsevierViewall">left ventricular</p>"
              ]
              4 => array:2 [
                "termino" => "LVEF"
                "descripcion" => "<p id="par0025" class="elsevierStylePara elsevierViewall">left ventricular ejection fraction</p>"
              ]
              5 => array:2 [
                "termino" => "MI"
                "descripcion" => "<p id="par0030" class="elsevierStylePara elsevierViewall">myocardial infarction</p>"
              ]
            ]
          ]
        ]
      ]
    ]
    "multimedia" => array:5 [
      0 => array:7 [
        "identificador" => "fig0005"
        "etiqueta" => "Figure 1"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "gr1.jpeg"
            "Alto" => 1871
            "Ancho" => 1668
            "Tamanyo" => 113170
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Kaplan&#8211;Meier curves representing overall mortality for patients with and without new-onset AF&#46;</p>"
        ]
      ]
      1 => array:7 [
        "identificador" => "tbl0005"
        "etiqueta" => "Table 1"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:2 [
          "leyenda" => "<p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">ACEI&#58; angiotensin-converting enzyme inhibitor&#59; ARB&#58; angiotensin receptor blocker&#59; CABG&#58; coronary artery bypass grafting&#59; CV&#58; cardiovascular&#59; MI&#58; myocardial infarction&#59; SD&#58; standard deviation&#59; VHD&#58; valvular heart disease&#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="" 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">With new-onset AF &#40;n&#61;91&#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">Without new-onset AF &#40;n&#61;778&#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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Demographics</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>Age &#40;years&#41;&#44; mean &#40;SD&#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">71 &#40;12&#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">63 &#40;13&#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">&#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>Male&#44; &#37;&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">71&#46;4&#37;&nbsp;\t\t\t\t\t\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">78&#46;4&#37;&nbsp;\t\t\t\t\t\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;130&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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">CV risk factors&#44; &#37;</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>Hypertension&nbsp;\t\t\t\t\t\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">79&#46;1&#37;&nbsp;\t\t\t\t\t\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">62&#46;1&#37;&nbsp;\t\t\t\t\t\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>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="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">29&#46;7&#37;&nbsp;\t\t\t\t\t\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;5&#37;&nbsp;\t\t\t\t\t\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;515&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="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">54&#46;9&#37;&nbsp;\t\t\t\t\t\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">53&#46;7&#37;&nbsp;\t\t\t\t\t\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;826&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="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">18&#46;7&#37;&nbsp;\t\t\t\t\t\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;4&#37;&nbsp;\t\t\t\t\t\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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">History&#44; &#37;</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>MI&nbsp;\t\t\t\t\t\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;0&#37;&nbsp;\t\t\t\t\t\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;7&#37;&nbsp;\t\t\t\t\t\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;067&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>CABG&nbsp;\t\t\t\t\t\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;7&#37;&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">8&#46;8&#37;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">1&#46;5&#37;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">8&#46;8&#37;&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">7&#46;2&#37;&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
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">36&#46;3&#37;&nbsp;\t\t\t\t\t\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;9&#37;&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  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>ACEI&#47;ARB&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">49&#46;5&#37;&nbsp;\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\ttop\n
                  \t\t\t\t">42&#46;4&#37;&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"><span class="elsevierStyleHsp" style=""></span>Beta-blocker&nbsp;\t\t\t\t\t\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">27&#46;5&#37;&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">20&#46;2&#37;&nbsp;\t\t\t\t\t\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;106&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="elsevierStyleHsp" style=""></span>Statin&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">35&#46;2&#37;&nbsp;\t\t\t\t\t\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;1&#37;&nbsp;\t\t\t\t\t\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;834&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "leyenda" => "<p id="spar0075" class="elsevierStyleSimplePara elsevierViewall">ACS&#58; acute coronary syndrome&#59; CABG&#58; coronary artery bypass grafting&#59; CAD&#58; coronary artery disease&#59; CRP&#58; C-reactive protein&#59; LA&#58; left atrial&#59; LVEF&#58; left ventricular ejection fraction&#59; MR&#58; mitral regurgitation&#59; NT-proBNP&#58; N-terminal pro-brain natriuretic peptide&#59; PCI&#58; percutaneous coronary intervention&#59; SBP&#58; systolic blood pressure&#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\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">With new-onset AF &#40;n&#61;91&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-head\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Without new-onset AF &#40;n&#61;778&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-head\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">p&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Heart rate &#40;bpm&#41;&#44;<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a> mean &#40;SD&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">85 &#40;24&#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">75 &#40;17&#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"><span class="elsevierStyleHsp" style=""></span>SBP &#40;mmHg&#41;&#44;<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a> mean &#40;SD&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">128 &#40;29&#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">128 &#40;27&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0&#46;779&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>Heart failure&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">53&#46;8&#37;&nbsp;\t\t\t\t\t\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">30&#46;8&#37;&nbsp;\t\t\t\t\t\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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                  \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>Respiratory infection&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">20&#46;5&#37;&nbsp;\t\t\t\t\t\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;6&#37;&nbsp;\t\t\t\t\t\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;007&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>ST-elevation ACS&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">61&#46;5&#37;&nbsp;\t\t\t\t\t\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&#46;7&#37;&nbsp;\t\t\t\t\t\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;110&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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Blood tests&#44; mean &#40;SD&#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>Peak creatinine &#40;mg&#47;dl&#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">1&#46;36 &#40;0&#46;85&#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">1&#46;15 &#40;0&#46;52&#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;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>Cystatin C &#40;mg&#47;l&#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">1&#46;03 &#40;1&#46;12&#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">0&#46;86 &#40;0&#46;56&#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;033&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>CRP &#40;mg&#47;l&#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 &#40;36&#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">16 &#40;33&#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;104&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>NT-proBNP &#40;pg&#47;ml&#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">4495 &#40;8673&#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">2639 &#40;5393&#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;007&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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Echocardiography</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>LA diameter &#40;mm&#41;&#44; mean &#40;SD&#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">46 &#40;6&#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">42 &#40;5&#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">&#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>LVEF &#8804;40&#37;&#44; &#37;&nbsp;\t\t\t\t\t\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">53&#46;9&#37;&nbsp;\t\t\t\t\t\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;0&#37;&nbsp;\t\t\t\t\t\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>MR &#40;grade &#62;II&#47;IV&#41;&#44; &#37;&nbsp;\t\t\t\t\t\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">33&#46;3&#37;&nbsp;\t\t\t\t\t\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">13&#46;1&#37;&nbsp;\t\t\t\t\t\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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\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>Absence of significant CAD&#44; &#37;&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">13&#46;2&#37;&nbsp;\t\t\t\t\t\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;9&#37;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;009&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>Multivessel disease&#44; &#37;&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">64&#46;2&#37;&nbsp;\t\t\t\t\t\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">62&#46;6&#37;&nbsp;\t\t\t\t\t\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;778&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="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\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>PCI&nbsp;\t\t\t\t\t\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">49&#46;4&#37;&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">66&#46;0&#37;&nbsp;\t\t\t\t\t\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;003&nbsp;\t\t\t\t\t\t\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>CABG&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">12&#46;9&#37;&nbsp;\t\t\t\t\t\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">13&#46;7&#37;&nbsp;\t\t\t\t\t\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;847&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>Total&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">62&#46;4&#37;&nbsp;\t\t\t\t\t\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">79&#46;7&#37;&nbsp;\t\t\t\t\t\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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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="4" 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="4" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Mortality</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>During hospital stay&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">8&#46;8&#37;&nbsp;\t\t\t\t\t\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&#37;&nbsp;\t\t\t\t\t\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;044&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>During follow-up&nbsp;\t\t\t\t\t\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;6&#37;&nbsp;\t\t\t\t\t\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;7&#37;&nbsp;\t\t\t\t\t\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;217&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>Overall&nbsp;\t\t\t\t\t\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">13&#46;4&#37;&nbsp;\t\t\t\t\t\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;9&#37;&nbsp;\t\t\t\t\t\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></tbody></table>
                  """
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                  \t\t\t\t\tvoid\n
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                  \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">Variables&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">OR&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">95&#37; CI&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-head\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">p&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;061&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">1&#46;009&#8211;1&#46;115&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;021&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">LVEF &#8804;40&#37;&nbsp;\t\t\t\t\t\t\n
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                    0 => array:2 [
                      "titulo" => "Atrial fibrillation in acute myocardial infarction&#58; a systematic review of the incidence&#44; clinical features and prognostic implications"
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                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
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                        "volumen" => "30"
                        "paginaInicial" => "1038"
                        "paginaFinal" => "1045"
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                          "autores" => array:3 [
                            0 => "D&#46;H&#46; Lau"
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                    ]
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                    0 => array:2 [
                      "doi" => "10.1016/j.amjcard.2009.06.055"
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                          "autores" => array:3 [
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Informação do artigo
ISSN: 08702551
Idioma original: Inglês
Dados atualizados diariamente
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2024 Novembro 10 4 14
2024 Outubro 48 25 73
2024 Setembro 51 28 79
2024 Agosto 47 24 71
2024 Julho 34 29 63
2024 Junho 30 20 50
2024 Maio 41 18 59
2024 Abril 39 27 66
2024 Maro 35 14 49
2024 Fevereiro 36 30 66
2024 Janeiro 21 33 54
2023 Dezembro 23 29 52
2023 Novembro 29 22 51
2023 Outubro 22 12 34
2023 Setembro 28 20 48
2023 Agosto 34 18 52
2023 Julho 27 7 34
2023 Junho 30 15 45
2023 Maio 35 20 55
2023 Abril 26 5 31
2023 Maro 21 17 38
2023 Fevereiro 20 14 34
2023 Janeiro 21 15 36
2022 Dezembro 20 17 37
2022 Novembro 41 27 68
2022 Outubro 31 21 52
2022 Setembro 30 24 54
2022 Agosto 49 42 91
2022 Julho 32 23 55
2022 Junho 29 19 48
2022 Maio 20 34 54
2022 Abril 32 25 57
2022 Maro 50 31 81
2022 Fevereiro 40 22 62
2022 Janeiro 53 17 70
2021 Dezembro 21 29 50
2021 Novembro 47 43 90
2021 Outubro 28 29 57
2021 Setembro 28 33 61
2021 Agosto 34 23 57
2021 Julho 29 28 57
2021 Junho 25 14 39
2021 Maio 53 30 83
2021 Abril 107 50 157
2021 Maro 72 13 85
2021 Fevereiro 94 13 107
2021 Janeiro 44 17 61
2020 Dezembro 42 4 46
2020 Novembro 35 19 54
2020 Outubro 24 12 36
2020 Setembro 69 6 75
2020 Agosto 26 12 38
2020 Julho 52 8 60
2020 Junho 57 8 65
2020 Maio 47 18 65
2020 Abril 55 21 76
2020 Maro 61 8 69
2020 Fevereiro 97 64 161
2020 Janeiro 90 6 96
2019 Dezembro 51 7 58
2019 Novembro 39 5 44
2019 Outubro 56 6 62
2019 Setembro 29 16 45
2019 Agosto 19 6 25
2019 Julho 51 10 61
2019 Junho 29 9 38
2019 Maio 50 19 69
2019 Abril 23 22 45
2019 Maro 74 12 86
2019 Fevereiro 92 11 103
2019 Janeiro 84 8 92
2018 Dezembro 57 29 86
2018 Novembro 140 18 158
2018 Outubro 262 12 274
2018 Setembro 49 8 57
2018 Agosto 36 14 50
2018 Julho 36 5 41
2018 Junho 55 7 62
2018 Maio 71 7 78
2018 Abril 38 7 45
2018 Maro 101 6 107
2018 Fevereiro 47 7 54
2018 Janeiro 51 2 53
2017 Dezembro 78 12 90
2017 Novembro 29 7 36
2017 Outubro 37 14 51
2017 Setembro 38 13 51
2017 Agosto 45 15 60
2017 Julho 32 11 43
2017 Junho 33 19 52
2017 Maio 41 12 53
2017 Abril 25 5 30
2017 Maro 36 18 54
2017 Fevereiro 33 6 39
2017 Janeiro 29 2 31
2016 Dezembro 35 7 42
2016 Novembro 28 9 37
2016 Outubro 39 6 45
2016 Setembro 26 6 32
2016 Agosto 18 5 23
2016 Julho 12 10 22
2016 Junho 5 5 10
2016 Maio 17 0 17
2016 Abril 29 1 30
2016 Maro 38 7 45
2016 Fevereiro 63 39 102
2016 Janeiro 58 17 75
2015 Dezembro 42 12 54
2015 Novembro 47 11 58
2015 Outubro 63 14 77
2015 Setembro 50 10 60
2015 Agosto 54 22 76
2015 Julho 43 13 56
2015 Junho 34 12 46
2015 Maio 47 30 77
2015 Abril 28 11 39
2015 Maro 27 9 36
2015 Fevereiro 37 9 46
2015 Janeiro 35 9 44
2014 Dezembro 34 10 44
2014 Novembro 39 15 54
2014 Outubro 31 11 42
2014 Setembro 41 17 58
2014 Agosto 40 31 71
2014 Julho 88 59 147
2014 Junho 12 14 26
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