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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Obesity is a major health problem in developed countries&#46; According to a World Health Organization report&#44; over 200 million men and nearly 300 million women were obese in 2008&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> Sedentary lifestyles&#44; increasingly lipid&#8208;rich diets and reduced energy expenditure are among the main risk factors for obesity&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Obesity is closely linked to hypertension&#46;<a class="elsevierStyleCrossRefs" href="#bib0010"><span class="elsevierStyleSup">2&#8211;4</span></a> It is well documented that obese patients are more likely to be hypertensive than lean individuals and that excess weight is predictive of subsequent onset of hypertension&#46; 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the role of obesity in the development and progression of target&#8208;organ disease in hypertensive patients is controversial&#46; Analysis of the Framingham Heart Study shows that the risk ratio for cardiovascular events was basically similar in lean and obese hypertensives&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a> These studies are in contrast to several large&#8208;scale prospective studies that showed obese hypertensives to be at a lower risk of cardiovascular disease than lean hypertensives&#46;<a class="elsevierStyleCrossRefs" href="#bib0010"><span class="elsevierStyleSup">2&#44;11</span></a> A review of 11 prospective studies suggested that the risk of major coronary artery disease&#8208;related events in lean hypertensive men was not higher than in overweight&#47;obese &#40;OW&#47;Ob&#41; hypertensive men&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a> It is difficult to explain the discordant results of the various studies&#44; 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enrolled in a primary care unit in the city&#46; Patients without a telephone&#44; and those who were hospitalized or institutionalized&#44; were excluded&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">The sample size of 142 participants was calculated with the Survey System online calculator &#40;<a id="intr0005" class="elsevierStyleInterRef" href="http://www.surveysystem.com/">www&#46;surveysystem&#46;com</a>&#41;&#44; for a population of 2805 diagnosed hypertensive patients in the primary care unit&#44; with a 95&#37; confidence interval and confidence level of 8&#46; To cover for possible losses&#44; this number was increased to 160 individuals&#46; A simple randomized sample of hypertensive patients was selected using random number generating software &#40;<a id="intr0010" class="elsevierStyleInterRef" href="http://www.random.org/">http&#58;&#47;&#47;www&#46;random&#46;org</a>&#41;&#46; The response rate was 97&#46;5&#37;&#44; corresponding to 156 hypertensive subjects&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Data collection</span><p id="par0045" class="elsevierStylePara elsevierViewall">The participants were invited by telephone to attend the primary care unit for a personal interview with the principal investigator&#46; When possible the interview took place on a day when the patient had a scheduled consultation&#44; to avoid travel costs&#46; The nature and purpose of the study were explained&#44; and data confidentiality was assured&#46; Written informed consent was obtained according to the Helsinki Declaration of the World Medical Association&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">A detailed medical and personal history was obtained&#46; Cardiac disease was defined as documented history of myocardial infarction&#44; angina&#44; heart failure or revascularization surgery&#46; Cerebrovascular disease was defined as documented history of transient ischemic attack &#40;TIA&#41; or stroke&#46; Clinical peripheral arterial disease was defined as a previous diagnosis or current symptoms&#46; Whenever necessary&#44; clinical information was confirmed by the patient&#39;s medical record&#44; particularly for possibly doubtful variables &#40;history of TIA or peripheral arterial disease&#41;&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">A physical examination was performed which included anthropometric measures&#44; BP&#44; ankle&#8208;brachial index &#40;ABI&#41; and fundoscopy&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">Body weight and height were assessed using a calibrated mechanical scale platform &#40;Jofre<span class="elsevierStyleSup">&#174;</span> model 6&#44; Portugal&#41;&#44; with a maximum capacity of 110 kg and 100 g resolution for weight&#44; and a maximum capacity of 250 mm and 1 mm resolution for height&#46; These measures were obtained with individuals wearing light clothing and barefoot&#44; following the techniques recommended by Lohman et al&#46; BMI was calculated as weight in kg divided by height in meters squared&#44; and classified using the cut&#8208;offs recommended by the World Health Organization&#58; BMI &#8804;18&#46;4 kg&#47;m<span class="elsevierStyleSup">2</span> underweight&#44; 18&#46;5&#8211;24&#46;9 kg&#47;m<span class="elsevierStyleSup">2</span> normal&#44; 25&#46;0&#8211;29&#46;9 kg&#47;m<span class="elsevierStyleSup">2</span> overweight&#44; 30&#46;0&#8211;34&#46;9 kg&#47;m<span class="elsevierStyleSup">2</span> moderate obesity&#44; and 35&#46;0&#8211;39&#46;9 kg&#47;m<span class="elsevierStyleSup">2</span> severe obesity&#46;</p><p id="par0065" class="elsevierStylePara elsevierViewall">Waist circumference was measured above the navel&#44; and averaged from three consecutive measurements for greater accuracy&#46; Abdominal obesity was defined as &#62;102 cm &#40;males&#41; or &#62;88 cm &#40;females&#41;&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">BP was assessed with a validated Omron<span class="elsevierStyleSup">&#174;</span> M&#8208;5 manual sphygmomanometer&#44; with a maximum of 300 mmHg and resolution of 2 mmHg&#46; Individuals were assessed after a minimum of 10 minutes rest in a sitting position&#46; Three readings were taken on the left arm&#44; two minutes apart&#59; the first value was discarded&#44; and the mean of the two subsequent measurements was considered for the statistical analysis&#44; as described in the guidelines of the European Society of Hypertension&#46; ABI was assessed using an appropriate cuff size &#40;width at least 40&#37; of the limb circumference&#41; and the ankle cuff was placed just above the malleoli with the straight wrapping method&#44; in accordance with the American Heart Association guidelines <span class="elsevierStyleUnderline">&#40;</span><a id="intr0015" class="elsevierStyleInterRef" href="http://circ.ahajournals.org/content/early/2012/11/15/CIR.0b013e318276fbcb.full.pdf"><span class="elsevierStyleUnderline">http&#58;&#47;&#47;circ&#46;ahajournals&#46;org&#47;content&#47;early&#47;2012&#47;11&#47;15&#47;CIR&#46;0b013e318276fbcb&#46;full&#46;pdf</span></a>&#41;&#46; Subclinical peripheral arterial disease was defined as an ABI &#60;0&#46;9&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">Fundoscopy was performed by the principal investigator&#46; If pupil dilation was not possible&#44; advanced retinopathy was assumed &#40;defined as the presence of hemorrhage&#44; papilledema or exudates&#41; in order to avoid misdiagnosis as milder forms of retinopathy&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">Laboratory tests were performed&#46; All subjects remained on their usual diet&#44; with no changes in food intake except for an overnight fast of 12&#8211;13 hours&#46; Subsequently&#44; a fasting blood sample was taken to measure glucose&#44; creatinine&#44; and serum lipid concentrations &#40;total cholesterol&#44; HDL cholesterol&#44; LDL cholesterol&#44; and triglycerides&#41;&#44; and 24&#8208;hour urine was collected for assessment of urinary albumin excretion&#46;</p><p id="par0085" class="elsevierStylePara elsevierViewall">Fasting glucose was used to define the presence of impaired fasting glucose for values between 102 and 126 mg&#47;dl&#46; Diabetes was defined as a previous diagnosis or antidiabetic treatment&#44; fasting glucose &#62;126 mg&#47;dl&#44; or casual blood glucose &#62;200 mg&#47;dl in the presence of suggestive symptoms&#46;</p><p id="par0090" class="elsevierStylePara elsevierViewall">Dyslipidemia was defined as a previous diagnosis or lipid&#8208;lowering treatment&#44; or LDL cholesterol &#62;115 mg&#47;dl or HDL cholesterol &#60;40 mg&#47;dl &#40;males&#41; or &#60;46 mg&#47;dl &#40;females&#41; or triglycerides &#62;150 mg&#47;dl&#46;</p><p id="par0095" class="elsevierStylePara elsevierViewall">Renal function was assessed by serum creatinine &#40;normal 1&#46;3&#8211;1&#46;5 mg&#47;dl in males&#44; or 1&#46;2&#8211;1&#46;4 mg&#47;dl in females&#59; renal disease above these values&#41;&#44; albumin urinary excretion in 24&#8208;hour urine &#40;defined as microalbuminuria if 30&#8211;300 mg&#47;24 hours&#41; and creatinine clearance &#40;CrCl&#41; by the Cockcroft&#8208;Gault formula&#46; The online calculator at <a id="intr0020" class="elsevierStyleInterRef" href="http://www.nephron.com/cgi-bin/CGSI.cgi">http&#58;&#47;&#47;www&#46;nephron&#46;com&#47;cgi&#8208;bin&#47;CGSI&#46;cgi</a> was used to calculate CrCl&#46;</p><p id="par0100" class="elsevierStylePara elsevierViewall">An electrocardiogram was performed in all participants and&#44; when necessary to clarify other symptoms&#44; an echocardiogram&#46; Left ventricular hypertrophy &#40;LVH&#41; was defined electrocardiographically as a Sokolow&#8208;Lyon index &#62;38 mm or&#44; echocardiographically&#44; by left ventricular mass index &#62;125 g&#47;m<span class="elsevierStyleSup">2</span> &#40;males&#41; or &#62;110 g&#47;m<span class="elsevierStyleSup">2</span> &#40;females&#41;&#46;</p><p id="par0105" class="elsevierStylePara elsevierViewall">Cardiovascular risk was assessed according to the Framingham score &#40;using the online calculator at <a id="intr0025" class="elsevierStyleInterRef" href="http://hp2010.nhlbihin.net/atpiii/calculator.asp%3Fusertype=prof">http&#58;&#47;&#47;hp2010&#46;nhlbihin&#46;net&#47;atpiii&#47;calculator&#46;asp&#63;usertype&#61;prof</a>&#41;&#44; since we aimed to assess the risk for both fatal and non&#8208;fatal cardiovascular events&#44; and the Systematic Coronary Risk Evaluation &#40;SCORE&#41;&#44; although validated in European populations&#44; only assesses the risk for fatal events&#46; Furthermore&#44; the age range limitations of SCORE &#40;45&#8211;64 years&#41; would exclude older patients&#44; who represent a growing proportion of hypertensive patients observed in primary care&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Statistical analysis</span><p id="par0110" class="elsevierStylePara elsevierViewall">The statistical analysis was performed using SPSS<span class="elsevierStyleSup">&#174;</span> version 12&#46;0&#46; Data are shown as mean &#177; standard deviation&#46; Differences between groups were analyzed with Pearson&#39;s chi&#8208;square test for discrete or categorical variables&#44; while one&#8208;way analysis of variance was used for continuous variables&#46; Multivariate analysis of variance was used to assess the independent effect of each variable while adjusting for the influence of potential confounders&#46; A p&#8208;value of &#60;0&#46;05 was considered statistically significant&#46;</p><p id="par0115" class="elsevierStylePara elsevierViewall">The study was approved by the ethics committee of the S&#227;o Jo&#227;o Primary Care Center&#47;University of Porto Medical School&#46;</p></span></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Results</span><p id="par0120" class="elsevierStylePara elsevierViewall">The overall population characteristics are summarized in <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0125" class="elsevierStylePara elsevierViewall">The mean age of the study sample was 74&#46;3 years&#46; Lean subjects were older &#40;77&#46;0&#177;9&#46;7 vs&#46; 73&#46;2&#177;11&#46;1&#44; p&#61;0&#46;002&#41;&#44; and so adjustments for age were performed in the statistical analysis&#46; Females accounted for 71&#46;8&#37; of the participants&#46; Mean systolic and diastolic BP were 136&#46;6&#177;18&#46;2 mmHg and 71&#46;0&#177;9&#46;9&#44; respectively&#44; showing good BP control&#46; These data are consistent with the therapeutic approach in this sample&#44; as only a minority of participants were on anti&#8208;hypertensive monotherapy &#40;3&#46;0&#37;&#41; &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41;&#46; Although overall BP control was acceptable&#44; 21&#46;8&#37; &#40;n&#61;34&#41; were not under any pharmacological treatment&#46;</p><p id="par0130" class="elsevierStylePara elsevierViewall">The prevalence of obesity was 29&#46;5&#37;&#44; and the most common BMI class was obesity grade I &#40;20&#46;5&#37;&#41;&#46; The distribution by BMI class is summarized in <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#46; The mean waist circumference of the overall sample was 103&#46;6&#177;9&#46;2 cm&#46;</p><p id="par0135" class="elsevierStylePara elsevierViewall">An overall prevalence of dyslipidemia of 79&#46;5&#37; was found &#40;<a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>&#41;&#46; No statistical differences were found between normal weight and OW&#47;Ob hypertensive individuals&#46; Although mean total cholesterol and LDL cholesterol did not differ between the two groups&#44; mean HDL cholesterol was lower in OW&#47;Ob patients compared to normal weight participants &#40;51&#46;2&#177;13&#46;9 mg&#47;dl vs&#46; 65&#46;4&#177;35&#46;2&#44; p&#60;0&#46;001&#41;&#46; Mean triglyceride levels were also significantly higher in the OW&#47;Ob group &#40;137&#46;8&#177;70&#46;4 mg&#47;dl vs&#46; 111&#46;5&#177;68&#46;8 mg&#47;dl&#44; p&#61;0&#46;034&#41;&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0140" class="elsevierStylePara elsevierViewall">The prevalence of type 2 diabetes was higher in the OW&#47;Ob group &#40;44&#46;6&#37; vs&#46; 13&#46;6&#37;&#41;&#44; and this difference was statistically significant &#40;p&#60;0&#46;001&#41;&#46; Fasting glucose levels were higher in this group as well &#40;111&#46;9&#177;32&#46;8 mg&#47;dl vs&#46; 98&#46;4&#177;13&#46;1 mg&#47;dl&#44; p&#60;0&#46;011&#41;&#46; No statistical differences were found in impaired fasting glucose &#40;<a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>&#41;&#46;</p><p id="par0145" class="elsevierStylePara elsevierViewall">Of the 156 participants&#44; 102 underwent 24&#8208;hour urinary albumin assessment &#40;65&#46;4&#37;&#41;&#46; The prevalence of microalbuminuria was 15&#46;7&#37;&#44; and did not differ between the groups &#40;p&#61;0&#46;558&#41;&#46; A tendency was observed for higher mean urinary albumin excretion in the OW&#47;Ob group &#40;35&#46;3&#177;103&#46;8 mg&#47;24 hours vs&#46; 19&#46;6&#177;23&#46;8 mg&#47;24 hours&#41;&#44; although this was not statistically significant &#40;p&#61;0&#46;466&#41; &#40;<a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a>&#41;&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia><p id="par0150" class="elsevierStylePara elsevierViewall">The prevalence of target&#8208;organ disease is described in <a class="elsevierStyleCrossRef" href="#tbl0020">Table 4</a>&#46; In the overall sample&#44; the most prevalent was cardiac disease&#44; followed in order of decreasing prevalence by mild valve disease &#40;50&#46;5&#37;&#41;&#44; LVH &#40;according to echocardiographic criteria&#44; 16&#46;2&#37;&#41;&#44; heart failure &#40;10&#46;3&#37;&#41; and myocardial infarction &#40;5&#46;1&#37;&#41;&#46; The least prevalent was peripheral arterial disease&#44; with no cases identified &#40;0&#46;0&#37;&#41;&#46;</p><elsevierMultimedia ident="tbl0020"></elsevierMultimedia><p id="par0155" class="elsevierStylePara elsevierViewall">Unadjusted p values only showed significant differences between the groups in the case of LVH &#40;using electrocardiographic criteria&#41;&#46; Nevertheless&#44; after multivariate analysis of variance for age&#44; gender&#44; duration of hypertension and dyslipidemia&#44; only the grade of valve disease remained statistically significant &#40;p&#61;0&#46;021&#41;&#46; Mild valve disease was more frequent in OW&#47;Ob than in their lean counterparts &#40;57&#46;9&#37; vs&#46; 29&#46;6&#37;&#41;&#46; Nevertheless&#44; the same effect was not observed for moderate valve disease&#44; which may be due to the small number of cases &#40;n&#61;6 in lean&#44; and n&#61;2 in OW&#47;Ob&#41;&#46; The type of valve disease &#40;aortic regurgitation&#44; aortic stenosis and mitral regurgitation&#41; did not differ significantly between groups&#46;</p><p id="par0160" class="elsevierStylePara elsevierViewall">Regarding global cardiovascular risk&#44; the mean Framingham score of the overall sample was 9&#46;6&#177;7&#46;4&#44; significantly higher in the OW&#47;Ob group &#40;n&#61;97&#41;&#44; with a mean score of 10&#46;9&#177;7&#46;7 vs&#46; 6&#46;5&#177;5&#46;7 in the lean group &#40;n&#61;43&#41;&#46; The number of missing cases was similar in both groups &#40;11&#46;0&#37; vs&#46; 8&#46;5&#37;&#41;&#44; and the difference in the mean Framingham score was statistically significant &#40;p&#60;0&#46;001&#41;&#46;</p></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Discussion</span><p id="par0165" class="elsevierStylePara elsevierViewall">The prevalence of obesity in our sample of hypertensive patients &#40;29&#46;5&#37;&#41; was higher than that reported in the last survey in the general Portuguese population &#40;13&#46;8&#37;&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">13</span></a> This difference may be explained by the well&#8208;known effect of increased body weight on BP values&#46;</p><p id="par0170" class="elsevierStylePara elsevierViewall">In our study&#44; OW&#47;Ob subjects did not present a higher prevalence of dyslipidemia&#46; Although mean total cholesterol and LDL cholesterol did not differ between the two groups&#44; mean HDL cholesterol was lower and triglycerides were higher in the OW&#47;Ob group&#44; and these differences were statistically significant&#46; Similar findings were described in a study by Shah et al&#46;&#44;<a class="elsevierStyleCrossRef" href="#bib0070"><span class="elsevierStyleSup">14</span></a> which suggests that total cholesterol alone might not be the most appropriate parameter in routine health screening for dyslipidemia in hypertensive patients&#46;</p><p id="par0175" class="elsevierStylePara elsevierViewall">The prevalence of diabetes in this sample of hypertensive patients was higher than in the general Portuguese population &#40;35&#46;9 vs&#46; 11&#46;7&#37;&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">15</span></a> When analyzed by body weight groups&#44; this difference was mainly due to the higher prevalence of type 2 diabetes in the OW&#47;Ob hypertensive group &#40;44&#46;6&#37;&#41;&#44; while the prevalence in normal weight hypertensive subjects was close to that of the general population &#40;13&#46;6&#37;&#41;&#46; Thus excess body weight in hypertensive subjects appears to be related to a higher prevalence of diabetes&#44; as suggested in previous studies in the general population&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">16</span></a></p><p id="par0180" class="elsevierStylePara elsevierViewall">We found a tendency for increased urinary albumin excretion in OW&#47;Ob hypertensives compared to normal weight hypertensives&#44; although this was not statistically significant &#40;35&#46;3&#37; vs&#46; 19&#46;6&#37;&#44; p&#61;0&#46;4664&#41;&#46; This is consistent with a study by Viazzi et al&#46;<a class="elsevierStyleCrossRef" href="#bib0085"><span class="elsevierStyleSup">17</span></a> that found a significantly greater prevalence and severity of target&#8208;organ disease in obese than in non&#8208;obese hypertensive patients&#44; including a higher urinary albumin excretion rate &#40;&#8722;0&#46;05&#177;0&#46;52 vs&#46; &#8722;0&#46;28&#177;0&#46;43 log albumin to creatinine ratio&#44; p&#60;0&#46;0001&#41;&#46;</p><p id="par0185" class="elsevierStylePara elsevierViewall">The most prevalent target&#8208;organ disease in our sample was cardiac&#46; The effect of obesity on the development of LVH in hypertensive patients was described by Smieder et al&#46;&#44; who showed that LVH was more severe in obese than in lean hypertensives&#44; particularly in white subjects and in men&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">18</span></a> The same group also reported reduced indicators of ventricular filling in obese hypertensive patients compared to their lean counterparts&#46; DeDivitis et al&#46; and Kannel et al&#46; suggested that depressed myocardial contractility and diastolic dysfunction&#44; when sustained&#44; will eventually lead to premature congestive heart failure&#44; particularly in patients with obesity hypertension&#46;<a class="elsevierStyleCrossRefs" href="#bib0095"><span class="elsevierStyleSup">19&#44;20</span></a></p><p id="par0190" class="elsevierStylePara elsevierViewall">According to Schmieder et al&#46;&#44; unloading from the heart the double burden of obesity and hypertension by losing weight and controlling BP should be a major goal in the management of hypertensive patients&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">18</span></a></p><p id="par0195" class="elsevierStylePara elsevierViewall">There are limited data regarding the direct effects of obesity on the heart valves&#44; since poor echocardiographic windows in obese subjects hamper the quantitative assessment of valve disease&#46; Nevertheless&#44; somewhat counterintuitively&#44; a study assessing the frequency of valvular abnormalities showed a lower prevalence of valvular regurgitation in obese than in normal&#8208;weight subjects&#46;<a class="elsevierStyleCrossRef" href="#bib0105"><span class="elsevierStyleSup">21</span></a></p><p id="par0200" class="elsevierStylePara elsevierViewall">To summarize&#44; in our sample of hypertensive patients&#44; overweight and obesity appear to be associated with a less favorable lipid profile &#40;higher triglycerides and lower HDL cholesterol&#41; and with a higher prevalence of type 2 diabetes&#46; We also found a trend suggesting that overweight and obese patients may be more likely to develop renal subclinical disease&#44; as they appear to have higher urinary albumin excretion&#46; Finally&#44; cardiac target&#8208;organ disease&#44; particularly valve disease&#44; also appears to be more prevalent in overweight and obese hypertensive compared with their lean counterparts&#46; More powerful studies are needed to clarify how this effect varies with increasing grade of severity of valve disease&#46;</p><p id="par0205" class="elsevierStylePara elsevierViewall">The use of the Framingham score in this sample showed that although both obese and non&#8208;obese diabetic patients are at risk of cardiovascular disease &#40;10&#8208;year risk&#58; 10&#46;9&#37; vs&#46; 6&#46;5&#37;&#44; p&#60;0&#46;001&#41;&#44; the risk is significantly higher in OW&#47;Ob patients&#46; On the basis of our findings we suggest strict metabolic monitoring and improved education on weight reduction and control at primary health care clinics&#46;</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Ethical disclosures</span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Protection of human and animal subjects</span><p id="par0210" class="elsevierStylePara elsevierViewall">The authors declare that no experiments were performed on humans or animals for this study&#46;</p></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Confidentiality of data</span><p id="par0215" class="elsevierStylePara elsevierViewall">The authors declare that they have followed the protocols of their work center on the publication of patient data and that all the patients included in the study received sufficient information and gave their written informed consent to participate in the study&#46;</p></span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Right to privacy and informed consent</span><p id="par0220" 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="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Conflicts of interest</span><p id="par0225" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interest 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">Obesity and hypertension have been identified as independent risk factors for cardiovascular disease&#46; Nevertheless&#44; the role of obesity in the development and progression of target&#8208;organ disease in hypertensive patients is controversial&#46; The objective of this study was to assess the impact of body weight on cardiovascular risk factors&#44; target&#8208;organ disease and global cardiovascular risk in hypertensive patients in a primary care setting&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0015">Methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">A cross&#8208;sectional observational study was carried in Vila Nova de Gaia&#44; Portugal &#40;n&#61;150&#41;&#46; A detailed medical and personal history was obtained and a physical examination was performed&#46; Venous blood and 24&#8208;hour urine samples were collected&#44; and an electrocardiogram was performed&#46; Cardiovascular risk was assessed using the Framingham score&#46; The statistical analysis was performed using SPSS<span class="elsevierStyleSup">&#174;</span>&#46; A p&#8208;value &#60;0&#46;05 was considered statistically significant&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">The sample was 71&#46;8&#37; female&#44; with a mean age of 74&#46;3&#177;10&#46;8 years&#46; The prevalence of obesity was 29&#46;5&#37;&#46; Overweight&#47;obese subjects presented lower mean HDL cholesterol &#40;51&#46;2&#177;13&#46;9 mg&#47;dl vs&#46; 65&#46;4&#177;35&#46;2&#44; p&#60;0&#46;005&#41;&#44; higher triglycerides &#40;137&#46;8&#177;70&#46;4 mg&#47;dl vs&#46; 111&#46;5&#177;68&#46;8 mg&#47;dl&#44; p&#60;0&#46;001&#41;&#44; higher fasting glucose &#40;111&#46;9&#177;32&#46;8 mg&#47;dl vs&#46; 98&#46;4&#177;13&#46;1 mg&#47;dl&#44; p&#60;0&#46;011&#41; and more frequent mild valve disease &#40;57&#46;9&#37; vs&#46; 29&#46;6&#37;&#44; p&#61;0&#46;021&#41;&#46; Global cardiovascular risk was also significantly higher &#40;10&#46;9&#177;7&#46;7 vs&#46; 6&#46;5&#177;5&#46;7&#44; p&#60;0&#46;001&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0025">Conclusion</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Overweight and obesity appear to be related to a less favorable lipid and blood glucose profile and higher cardiovascular risk in hypertensive patients&#46; On the basis of our findings we suggest strict metabolic monitoring and improved education on weight reduction and control at primary health care clinics&#46;</p>"
      ]
      "pt" => array:2 [
        "titulo" => "Resumo"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0035">Introdu&#231;&#227;o</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">A obesidade e a hipertens&#227;o arterial s&#227;o fatores de risco independentes para a doen&#231;a cardiovascular&#46; No entanto&#44; o papel da obesidade no desenvolvimento da doen&#231;a de &#243;rg&#227;o&#8208;alvo em pacientes hipertensos tem sido altamente controverso&#46; O objetivo deste estudo &#233; avaliar o efeito da sobrecarga ponderal &#40;excesso de peso ou obesidade &#91;OW&#47;Ob&#93;&#41; sobre outros fatores de risco&#44; doen&#231;a de &#243;rg&#227;os&#8208;alvo e risco cardiovascular global&#44; em pacientes hipertensos&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0040">M&#233;todos</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Estudo observacional&#44; transversal&#44; realizado em Vila Nova de Gaia&#44; Portugal &#40;n&#61;156&#41;&#46; A hist&#243;ria cl&#237;nica foi colhida e avalia&#231;&#227;o f&#237;sica realizada&#44; que incluiu uma amostra de sangue venoso&#44; urina de 24&#8208;horas e eletrocardiograma&#46; O risco cardiovascular foi avaliado pelo <span class="elsevierStyleItalic">score</span> de Framingham&#46; A an&#225;lise estat&#237;stica foi realizada com SPSS<span class="elsevierStyleSup">&#174;</span>&#44; considerando&#8208;se um valor de p&#60;0&#44;05 como estatisticamente significativo&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">A amostra apresenta uma idade m&#233;dia de 74&#44;3&#177;10&#44;8 anos &#40;71&#44;8&#37; mulheres&#41;&#46; A preval&#234;ncia de obesidade foi de 29&#44;5&#37;&#46; O Grupo OW&#47;Ob apresentou valores inferiores de HDL&#8208;colesterol&#44; &#40;51&#44;2&#177;13&#44;9 mg&#47;dl <span class="elsevierStyleItalic">versus</span> 65&#44;4&#177;35&#44;2&#44; p&#60;0&#44;005&#41; e superiores de triglicer&#237;deos &#40;137&#44;8&#177;70&#44;4 mg&#47;dl <span class="elsevierStyleItalic">versus</span> 111&#44;5&#177;68&#44;8 mg&#47;dl&#44; p&#60;0&#44;001&#41; e glucose em jejum &#40;111&#44;9&#177;32&#44;8 mg&#47;dl <span class="elsevierStyleItalic">versus</span> 98&#44;4&#177;13&#44;1 mg&#47;dl&#44; p&#60;0&#44;011&#41;&#46; A valvulopatia ligeira foi mais frequente neste grupo &#40;57&#44;9&#37; <span class="elsevierStyleItalic">versus</span> 29&#44;6&#37;&#44; p&#61;0&#44;021&#41;&#44; e o risco cardiovascular global mais elevado &#40;10&#44;9&#177;7&#44;7 <span class="elsevierStyleItalic">versus</span> 6&#44;5&#177;5&#44;7&#44; p&#60;0&#44;001&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0050">Conclus&#227;o</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">O excesso de peso e a obesidade parecem estar associados a um maior risco cardiovascular nos doentes hipertensos&#46; Um adequado controlo metab&#243;lico e melhor educa&#231;&#227;o para a sa&#250;de dever&#227;o ser integrados na abordagem multidisciplinar deste grupo de risco&#46;</p>"
      ]
    ]
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      0 => array:7 [
        "identificador" => "tbl0005"
        "etiqueta" => "Table 1"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:1 [
          "tablatextoimagen" => array:1 [
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                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Age&#44; years &#40;mean &#177; SD&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">74&#46;3&#177;108&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="2" align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Gender &#40;&#37;&#44; n&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Male&nbsp;\t\t\t\t\t\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">28&#46;2 &#40;44&#41;&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>Female&nbsp;\t\t\t\t\t\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">71&#46;8 &#40;112&#41;&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="2" 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
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Body weight&#44; kg &#40;mean &#177; SD&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">71&#46;1&#177;14&#46;1&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="elsevierStyleItalic">Body mass index&#44; kg&#47;m</span><span class="elsevierStyleSup"><span class="elsevierStyleItalic">2</span></span><span class="elsevierStyleItalic">&#40;mean &#177; SD&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">28&#46;0&#177;5&#46;5&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="2" 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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">World Health Organization class&#44; kg&#47;m</span><span class="elsevierStyleSup"><span class="elsevierStyleItalic">2</span></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Normal &#40;&#37;&#44; n&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">29&#46;5 &#40;46&#41;&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>Overweight &#40;&#37;&#44; n&#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">41&#46;0 &#40;64&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Obesity grade I &#40;&#37;&#44; n&#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">20&#46;5 &#40;32&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Obesity grade II &#40;&#37;&#44; n&#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">5&#46;1 &#40;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Obesity grade III &#40;&#37;&#44; n&#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">3&#46;9 &#40;6&#41;&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="2" 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  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Waist circumference&#44; cm &#40;mean &#177; SD&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">103&#46;6&#177;9&#46;2&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="2" 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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Blood pressure&#44; mmHg &#40;mean</span> &#177; <span class="elsevierStyleItalic">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>Systolic&nbsp;\t\t\t\t\t\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">136&#46;6&#177;18&#46;2&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>Diastolic&nbsp;\t\t\t\t\t\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">71&#46;0&#177;9&#46;9&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="2" 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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Antihypertensive treatment &#40;&#37;&#44; n&#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>Monotherapy&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;0 &#40;6&#41;&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>Double therapy&nbsp;\t\t\t\t\t\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">67&#46;5 &#40;104&#41;&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>Triple therapy&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7&#46;8 &#40;12&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
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        "descripcion" => array:1 [
          "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Overall population characteristics&#46;</p>"
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      1 => array:7 [
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        "tipo" => "MULTIMEDIATABLA"
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        "tabla" => array:2 [
          "leyenda" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">BMI&#58; body mass index&#59; HDL cholesterol&#58; high density lipoprotein cholesterol&#59; LDL cholesterol&#58; low density lipoprotein cholesterol&#46; Statistical significance for p&#60;0&#46;05&#59; p values adjusted by multivariate analysis of variance for age and gender&#46;</p>"
          "tablatextoimagen" => array:1 [
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              "tabla" => array:1 [
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                  \t\t\t\t\ttop\n
                  \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\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">Total&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" style="border-bottom: 2px solid black">BMI &#60;25&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-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">BMI &#8805;25&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">p&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Dyslipidemia &#40;&#37;&#44; n&#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">79&#46;5 &#40;124&#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">81&#46;8 &#40;26&#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">78&#46;6 &#40;88&#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;650&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">Total cholesterol&#44; mg&#47;dl &#40;mean &#177; 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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">193&#46;5&#177;37&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">199&#46;4&#177;32&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">191&#46;3&#177;39&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;240&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">LDL cholesterol&#44; mg&#47;dl &#40;mean &#177; 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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">112&#46;6&#177;35&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">112&#46;8&#177;22&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">112&#46;6&#177;39&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;979&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">HDL cholesterol&#44; mg&#47;dl &#40;mean &#177; 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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">54&#46;0&#177;22&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">65&#46;4&#177;35&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">51&#46;2&#177;13&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">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">Triglycerides&#44; mg&#47;dl &#40;mean &#177; 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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">130&#46;5&#177;70&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">111&#46;5&#177;68&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">137&#46;8&#177;70&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;034&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Type 2 diabetes &#40;&#37;&#44; n&#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">35&#46;9 &#40;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">13&#46;6 &#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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">44&#46;6 &#40;50&#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">Impaired fasting glucose &#40;&#37;&#44; n&#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">11&#46;8 &#40;18&#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">9&#46;5 &#40;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&#46;7 &#40;14&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;577&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">Fasting glucose&#44; mg&#47;dl &#40;mean &#177; 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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">108&#46;2&#177;29&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">98&#46;4&#177;13&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">111&#46;9&#177;32&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;011&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
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                0 => "xTab510109.png"
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        "descripcion" => array:1 [
          "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Prevalence of dyslipidemia&#44; type 2 diabetes and impaired fasting glucose in the overall sample and by body weight group&#46;</p>"
        ]
      ]
      2 => array:7 [
        "identificador" => "tbl0015"
        "etiqueta" => "Table 3"
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        "tabla" => array:2 [
          "leyenda" => "<p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">BMI&#58; body mass index&#46; p values adjusted by multivariate analysis of variance for age and gender&#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">Total&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">BMI &#60;25&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-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">BMI &#8805;25&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">p&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Microalbuminuria &#40;&#37;&#44; n&#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">15&#46;7 &#40;16&#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">19&#46;4 &#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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14&#46;1 &#40;10&#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;558&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">Urinary albumin excretion&#44; mg&#47;24 hours &#40;mean &#177; 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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">31&#46;4&#177;90&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">19&#46;6&#177;23&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">35&#46;3&#177;103&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;466&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">Creatinine clearance by the Cockcroft&#8208;Gault method&#44; ml&#47;min &#40;mean &#177; 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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">73&#46;2&#177;30&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">57&#46;7&#177;25&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">77&#46;2&#177;29&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;005&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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        "tabla" => array:2 [
          "leyenda" => "<p id="spar0075" class="elsevierStyleSimplePara elsevierViewall">BMI&#58; body mass index&#59; LVH&#59; left ventricular hypertrophy&#46; p values adjusted by multivariate analysis of variance for age&#44; gender&#44; duration of hypertension and previous diagnosis of dyslipidemia&#46;</p>"
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              "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">Total&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">BMI &#60;25&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-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">BMI &#8805;25&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-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 &#40;unadjusted&#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 &#40;adjusted&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Stroke &#40;&#37;&#44; n&#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">2&#46;6 &#40;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;5 &#40;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;8 &#40;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;352&nbsp;\t\t\t\t\t\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;406&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">Myocardial infarction &#40;&#37;&#44; n&#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">5&#46;1 &#40;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">9&#46;0 &#40;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;6 &#40;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;191&nbsp;\t\t\t\t\t\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;233&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Coronary disease &#40;&#37;&#44; n&#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">3&#46;9 &#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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;5 &#40;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;5 &#40;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;779&nbsp;\t\t\t\t\t\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;897&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">Heart failure &#40;&#37;&#44; n&#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">10&#46;3 &#40;16&#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">18&#46;1 &#40;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7&#46;1 &#40;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;051&nbsp;\t\t\t\t\t\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;082&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">Peripheral arterial disease &#40;&#37;&#44; n&#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">&#8211; &#40;0&#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">&#8211; &#40;0&#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">&#8211; &#40;0&#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">&#8211;&nbsp;\t\t\t\t\t\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">&#8211;&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">Retinopathy &#40;&#37;&#44; n&#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">2&#46;6 &#40;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;5 &#40;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;8 &#40;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;3796&nbsp;\t\t\t\t\t\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;757&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">Renal disease &#40;&#37;&#44; n&#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">5&#46;1 &#40;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;5 &#40;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&#46;6 &#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="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;4203&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;053&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">LVH &#40;&#37;&#44; n&#41; &#40;electrocardiographic criteria&#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">6&#46;5 &#40;10&#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 &#40;0&#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">9&#46;8 &#40;10&#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;0101&nbsp;\t\t\t\t\t\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;266&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">Mild valve disease &#40;&#37;&#44; n&#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">50&#46;5 &#40;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">29&#46;6 &#40;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">57&#46;9 &#40;44&#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;2176&nbsp;\t\t\t\t\t\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;021&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab510108.png"
              ]
            ]
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0070" class="elsevierStyleSimplePara elsevierViewall">Prevalence of target&#8208;organ disease in the overall sample and by body weight group&#46;</p>"
        ]
      ]
    ]
    "bibliografia" => array:2 [
      "titulo" => "References"
      "seccion" => array:1 [
        0 => array:2 [
          "identificador" => "bibs0005"
          "bibliografiaReferencia" => array:21 [
            0 => array:3 [
              "identificador" => "bib0005"
              "etiqueta" => "1"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Obesity and overweight&#46; Fact sheet No&#46; 31"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:1 [
                            0 => "World Health Organization"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Libro" => array:3 [
                        "fecha" => "2013"
                        "editorial" => "World Health Organization"
                        "editorialLocalizacion" => "Geneva&#44; Switzerland"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            1 => array:3 [
              "identificador" => "bib0010"
              "etiqueta" => "2"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Weight and blood pressure&#58; findings in hypertension screening in one million Americans"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "R&#46; Stamler"
                            1 => "J&#46; Stamler"
                            2 => "W&#46;E&#46; Riedlinger"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "JAMA"
                        "fecha" => "1982"
                        "volumen" => "240"
                        "paginaInicial" => "1607"
                        "paginaFinal" => "1611"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/691146"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            2 => array:3 [
              "identificador" => "bib0015"
              "etiqueta" => "3"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Overweight and hypertension&#58; a review"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "B&#46;N&#46; Chiang"
                            1 => "L&#46;V&#46; Perlmal"
                            2 => "F&#46;H&#46; Epstein"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Circulation"
                        "fecha" => "1969"
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Journal Information
Vol. 33. Issue 4.
Pages 223-228 (April 2014)
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Vol. 33. Issue 4.
Pages 223-228 (April 2014)
Original Article
Open Access
Cardiovascular risk in overweight/obese and lean hypertensive patients
Risco cardiovascular em hipertensos com excesso de peso ‐ Obesos versus normoponderais
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5343
Ana Luísa Nevesa,b,
Corresponding author
ana.luisa.neves@gmail.com

Corresponding author.
, Luciana Coutob
a GABBA Program, Abel Salazar Biomedical Sciences Institute, University of Porto, Portugal
b Department of Social Sciences and Health, Family Medicine Unit, University of Porto, Portugal
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Tables (4)
Table 1. Overall population characteristics.
Table 2. Prevalence of dyslipidemia, type 2 diabetes and impaired fasting glucose in the overall sample and by body weight group.
Table 3. Prevalence of microalbuminuria, creatinine clearance and urinary albumin excretion in the overall sample and by body weight group.
Table 4. Prevalence of target‐organ disease in the overall sample and by body weight group.
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Abstract
Introduction

Obesity and hypertension have been identified as independent risk factors for cardiovascular disease. Nevertheless, the role of obesity in the development and progression of target‐organ disease in hypertensive patients is controversial. The objective of this study was to assess the impact of body weight on cardiovascular risk factors, target‐organ disease and global cardiovascular risk in hypertensive patients in a primary care setting.

Methods

A cross‐sectional observational study was carried in Vila Nova de Gaia, Portugal (n=150). A detailed medical and personal history was obtained and a physical examination was performed. Venous blood and 24‐hour urine samples were collected, and an electrocardiogram was performed. Cardiovascular risk was assessed using the Framingham score. The statistical analysis was performed using SPSS®. A p‐value <0.05 was considered statistically significant.

Results

The sample was 71.8% female, with a mean age of 74.3±10.8 years. The prevalence of obesity was 29.5%. Overweight/obese subjects presented lower mean HDL cholesterol (51.2±13.9 mg/dl vs. 65.4±35.2, p<0.005), higher triglycerides (137.8±70.4 mg/dl vs. 111.5±68.8 mg/dl, p<0.001), higher fasting glucose (111.9±32.8 mg/dl vs. 98.4±13.1 mg/dl, p<0.011) and more frequent mild valve disease (57.9% vs. 29.6%, p=0.021). Global cardiovascular risk was also significantly higher (10.9±7.7 vs. 6.5±5.7, p<0.001).

Conclusion

Overweight and obesity appear to be related to a less favorable lipid and blood glucose profile and higher cardiovascular risk in hypertensive patients. On the basis of our findings we suggest strict metabolic monitoring and improved education on weight reduction and control at primary health care clinics.

Keywords:
Cardiovascular risk
Obesity
Overweight
Arterial hypertension
Resumo
Introdução

A obesidade e a hipertensão arterial são fatores de risco independentes para a doença cardiovascular. No entanto, o papel da obesidade no desenvolvimento da doença de órgão‐alvo em pacientes hipertensos tem sido altamente controverso. O objetivo deste estudo é avaliar o efeito da sobrecarga ponderal (excesso de peso ou obesidade [OW/Ob]) sobre outros fatores de risco, doença de órgãos‐alvo e risco cardiovascular global, em pacientes hipertensos.

Métodos

Estudo observacional, transversal, realizado em Vila Nova de Gaia, Portugal (n=156). A história clínica foi colhida e avaliação física realizada, que incluiu uma amostra de sangue venoso, urina de 24‐horas e eletrocardiograma. O risco cardiovascular foi avaliado pelo score de Framingham. A análise estatística foi realizada com SPSS®, considerando‐se um valor de p<0,05 como estatisticamente significativo.

Resultados

A amostra apresenta uma idade média de 74,3±10,8 anos (71,8% mulheres). A prevalência de obesidade foi de 29,5%. O Grupo OW/Ob apresentou valores inferiores de HDL‐colesterol, (51,2±13,9 mg/dl versus 65,4±35,2, p<0,005) e superiores de triglicerídeos (137,8±70,4 mg/dl versus 111,5±68,8 mg/dl, p<0,001) e glucose em jejum (111,9±32,8 mg/dl versus 98,4±13,1 mg/dl, p<0,011). A valvulopatia ligeira foi mais frequente neste grupo (57,9% versus 29,6%, p=0,021), e o risco cardiovascular global mais elevado (10,9±7,7 versus 6,5±5,7, p<0,001).

Conclusão

O excesso de peso e a obesidade parecem estar associados a um maior risco cardiovascular nos doentes hipertensos. Um adequado controlo metabólico e melhor educação para a saúde deverão ser integrados na abordagem multidisciplinar deste grupo de risco.

Palavras‐chave:
Risco cardiovascular
Obesidade
Excesso de peso
Hipertensão arterial
Full Text
Introduction

Obesity is a major health problem in developed countries. According to a World Health Organization report, over 200 million men and nearly 300 million women were obese in 2008.1 Sedentary lifestyles, increasingly lipid‐rich diets and reduced energy expenditure are among the main risk factors for obesity.1

Obesity is closely linked to hypertension.2–4 It is well documented that obese patients are more likely to be hypertensive than lean individuals and that excess weight is predictive of subsequent onset of hypertension. In the Framingham Heart Study, 70% of cases of hypertension in men and 61% in women were directly attributed to excess adiposity, and it is estimated that each 5‐kg increase in body weight leads to a mean increase of 4 mmHg in systolic blood pressure (BP) in both genders.5 An analysis comparing data from two National Health and Nutrition Examination Surveys (NHANES), 1998–1994 and 1999–2004, also showed that increased body mass index (BMI) accounted for nearly all of the increased prevalence of hypertension in men and for some of the increased prevalence in women.6

Both obesity and hypertension have been identified as independent risk factors for cardiovascular disease in the Framingham Heart Study.7–9

Nevertheless, the role of obesity in the development and progression of target‐organ disease in hypertensive patients is controversial. Analysis of the Framingham Heart Study shows that the risk ratio for cardiovascular events was basically similar in lean and obese hypertensives.10 These studies are in contrast to several large‐scale prospective studies that showed obese hypertensives to be at a lower risk of cardiovascular disease than lean hypertensives.2,11 A review of 11 prospective studies suggested that the risk of major coronary artery disease‐related events in lean hypertensive men was not higher than in overweight/obese (OW/Ob) hypertensive men.12 It is difficult to explain the discordant results of the various studies, and several studies have been carried since then in order to assess and compare cardiovascular risk in obese and non‐obese hypertensive patients.

The objective of this study was to evaluate the impact of increased body weight on cardiovascular risk factors and global cardiovascular risk in hypertensive patients in a primary care setting.

MethodsStudy design

A cross‐sectional, observational, descriptive and analytical study was performed in the city of Vila Nova de Gaia, Portugal.

The study population consisted of individuals with a known diagnosis of hypertension, enrolled in a primary care unit in the city. Patients without a telephone, and those who were hospitalized or institutionalized, were excluded.

The sample size of 142 participants was calculated with the Survey System online calculator (www.surveysystem.com), for a population of 2805 diagnosed hypertensive patients in the primary care unit, with a 95% confidence interval and confidence level of 8. To cover for possible losses, this number was increased to 160 individuals. A simple randomized sample of hypertensive patients was selected using random number generating software (http://www.random.org). The response rate was 97.5%, corresponding to 156 hypertensive subjects.

Data collection

The participants were invited by telephone to attend the primary care unit for a personal interview with the principal investigator. When possible the interview took place on a day when the patient had a scheduled consultation, to avoid travel costs. The nature and purpose of the study were explained, and data confidentiality was assured. Written informed consent was obtained according to the Helsinki Declaration of the World Medical Association.

A detailed medical and personal history was obtained. Cardiac disease was defined as documented history of myocardial infarction, angina, heart failure or revascularization surgery. Cerebrovascular disease was defined as documented history of transient ischemic attack (TIA) or stroke. Clinical peripheral arterial disease was defined as a previous diagnosis or current symptoms. Whenever necessary, clinical information was confirmed by the patient's medical record, particularly for possibly doubtful variables (history of TIA or peripheral arterial disease).

A physical examination was performed which included anthropometric measures, BP, ankle‐brachial index (ABI) and fundoscopy.

Body weight and height were assessed using a calibrated mechanical scale platform (Jofre® model 6, Portugal), with a maximum capacity of 110 kg and 100 g resolution for weight, and a maximum capacity of 250 mm and 1 mm resolution for height. These measures were obtained with individuals wearing light clothing and barefoot, following the techniques recommended by Lohman et al. BMI was calculated as weight in kg divided by height in meters squared, and classified using the cut‐offs recommended by the World Health Organization: BMI ≤18.4 kg/m2 underweight, 18.5–24.9 kg/m2 normal, 25.0–29.9 kg/m2 overweight, 30.0–34.9 kg/m2 moderate obesity, and 35.0–39.9 kg/m2 severe obesity.

Waist circumference was measured above the navel, and averaged from three consecutive measurements for greater accuracy. Abdominal obesity was defined as >102 cm (males) or >88 cm (females).

BP was assessed with a validated Omron® M‐5 manual sphygmomanometer, with a maximum of 300 mmHg and resolution of 2 mmHg. Individuals were assessed after a minimum of 10 minutes rest in a sitting position. Three readings were taken on the left arm, two minutes apart; the first value was discarded, and the mean of the two subsequent measurements was considered for the statistical analysis, as described in the guidelines of the European Society of Hypertension. ABI was assessed using an appropriate cuff size (width at least 40% of the limb circumference) and the ankle cuff was placed just above the malleoli with the straight wrapping method, in accordance with the American Heart Association guidelines (http://circ.ahajournals.org/content/early/2012/11/15/CIR.0b013e318276fbcb.full.pdf). Subclinical peripheral arterial disease was defined as an ABI <0.9.

Fundoscopy was performed by the principal investigator. If pupil dilation was not possible, advanced retinopathy was assumed (defined as the presence of hemorrhage, papilledema or exudates) in order to avoid misdiagnosis as milder forms of retinopathy.

Laboratory tests were performed. All subjects remained on their usual diet, with no changes in food intake except for an overnight fast of 12–13 hours. Subsequently, a fasting blood sample was taken to measure glucose, creatinine, and serum lipid concentrations (total cholesterol, HDL cholesterol, LDL cholesterol, and triglycerides), and 24‐hour urine was collected for assessment of urinary albumin excretion.

Fasting glucose was used to define the presence of impaired fasting glucose for values between 102 and 126 mg/dl. Diabetes was defined as a previous diagnosis or antidiabetic treatment, fasting glucose >126 mg/dl, or casual blood glucose >200 mg/dl in the presence of suggestive symptoms.

Dyslipidemia was defined as a previous diagnosis or lipid‐lowering treatment, or LDL cholesterol >115 mg/dl or HDL cholesterol <40 mg/dl (males) or <46 mg/dl (females) or triglycerides >150 mg/dl.

Renal function was assessed by serum creatinine (normal 1.3–1.5 mg/dl in males, or 1.2–1.4 mg/dl in females; renal disease above these values), albumin urinary excretion in 24‐hour urine (defined as microalbuminuria if 30–300 mg/24 hours) and creatinine clearance (CrCl) by the Cockcroft‐Gault formula. The online calculator at http://www.nephron.com/cgi‐bin/CGSI.cgi was used to calculate CrCl.

An electrocardiogram was performed in all participants and, when necessary to clarify other symptoms, an echocardiogram. Left ventricular hypertrophy (LVH) was defined electrocardiographically as a Sokolow‐Lyon index >38 mm or, echocardiographically, by left ventricular mass index >125 g/m2 (males) or >110 g/m2 (females).

Cardiovascular risk was assessed according to the Framingham score (using the online calculator at http://hp2010.nhlbihin.net/atpiii/calculator.asp?usertype=prof), since we aimed to assess the risk for both fatal and non‐fatal cardiovascular events, and the Systematic Coronary Risk Evaluation (SCORE), although validated in European populations, only assesses the risk for fatal events. Furthermore, the age range limitations of SCORE (45–64 years) would exclude older patients, who represent a growing proportion of hypertensive patients observed in primary care.

Statistical analysis

The statistical analysis was performed using SPSS® version 12.0. Data are shown as mean ± standard deviation. Differences between groups were analyzed with Pearson's chi‐square test for discrete or categorical variables, while one‐way analysis of variance was used for continuous variables. Multivariate analysis of variance was used to assess the independent effect of each variable while adjusting for the influence of potential confounders. A p‐value of <0.05 was considered statistically significant.

The study was approved by the ethics committee of the São João Primary Care Center/University of Porto Medical School.

Results

The overall population characteristics are summarized in Table 1.

Table 1.

Overall population characteristics.

Age, years (mean ± SD)  74.3±108 
Gender (%, n)
Male  28.2 (44) 
Female  71.8 (112) 
Body weight, kg (mean ± SD)  71.1±14.1 
Body mass index, kg/m2(mean ± SD)  28.0±5.5 
World Health Organization class, kg/m2
Normal (%, n)  29.5 (46) 
Overweight (%, n)  41.0 (64) 
Obesity grade I (%, n)  20.5 (32) 
Obesity grade II (%, n)  5.1 (8) 
Obesity grade III (%, n)  3.9 (6) 
Waist circumference, cm (mean ± SD)  103.6±9.2 
Blood pressure, mmHg (mean ± SD)
Systolic  136.6±18.2 
Diastolic  71.0±9.9 
Antihypertensive treatment (%, n)
Monotherapy  3.0 (6) 
Double therapy  67.5 (104) 
Triple therapy  7.8 (12) 

The mean age of the study sample was 74.3 years. Lean subjects were older (77.0±9.7 vs. 73.2±11.1, p=0.002), and so adjustments for age were performed in the statistical analysis. Females accounted for 71.8% of the participants. Mean systolic and diastolic BP were 136.6±18.2 mmHg and 71.0±9.9, respectively, showing good BP control. These data are consistent with the therapeutic approach in this sample, as only a minority of participants were on anti‐hypertensive monotherapy (3.0%) (Table 1). Although overall BP control was acceptable, 21.8% (n=34) were not under any pharmacological treatment.

The prevalence of obesity was 29.5%, and the most common BMI class was obesity grade I (20.5%). The distribution by BMI class is summarized in Table 1. The mean waist circumference of the overall sample was 103.6±9.2 cm.

An overall prevalence of dyslipidemia of 79.5% was found (Table 2). No statistical differences were found between normal weight and OW/Ob hypertensive individuals. Although mean total cholesterol and LDL cholesterol did not differ between the two groups, mean HDL cholesterol was lower in OW/Ob patients compared to normal weight participants (51.2±13.9 mg/dl vs. 65.4±35.2, p<0.001). Mean triglyceride levels were also significantly higher in the OW/Ob group (137.8±70.4 mg/dl vs. 111.5±68.8 mg/dl, p=0.034).

Table 2.

Prevalence of dyslipidemia, type 2 diabetes and impaired fasting glucose in the overall sample and by body weight group.

  Total  BMI <25.0  BMI ≥25.0 
Dyslipidemia (%, n)  79.5 (124)  81.8 (26)  78.6 (88)  0.650 
Total cholesterol, mg/dl (mean ± SD)  193.5±37.9  199.4±32.1  191.3±39.8  0.240 
LDL cholesterol, mg/dl (mean ± SD)  112.6±35.4  112.8±22.0  112.6±39.2  0.979 
HDL cholesterol, mg/dl (mean ± SD)  54.0±22.5  65.4±35.2  51.2±13.9  0.001 
Triglycerides, mg/dl (mean ± SD)  130.5±70.7  111.5±68.8  137.8±70.4  0.034 
Type 2 diabetes (%, n)  35.9 (56)  13.6 (6)  44.6 (50)  <0.001 
Impaired fasting glucose (%, n)  11.8 (18)  9.5 (4)  12.7 (14)  0.577 
Fasting glucose, mg/dl (mean ± SD)  108.2±29.3  98.4±13.1  111.9±32.8  0.011 

BMI: body mass index; HDL cholesterol: high density lipoprotein cholesterol; LDL cholesterol: low density lipoprotein cholesterol. Statistical significance for p<0.05; p values adjusted by multivariate analysis of variance for age and gender.

The prevalence of type 2 diabetes was higher in the OW/Ob group (44.6% vs. 13.6%), and this difference was statistically significant (p<0.001). Fasting glucose levels were higher in this group as well (111.9±32.8 mg/dl vs. 98.4±13.1 mg/dl, p<0.011). No statistical differences were found in impaired fasting glucose (Table 2).

Of the 156 participants, 102 underwent 24‐hour urinary albumin assessment (65.4%). The prevalence of microalbuminuria was 15.7%, and did not differ between the groups (p=0.558). A tendency was observed for higher mean urinary albumin excretion in the OW/Ob group (35.3±103.8 mg/24 hours vs. 19.6±23.8 mg/24 hours), although this was not statistically significant (p=0.466) (Table 3).

Table 3.

Prevalence of microalbuminuria, creatinine clearance and urinary albumin excretion in the overall sample and by body weight group.

  Total  BMI <25.0  BMI ≥25.0 
Microalbuminuria (%, n)  15.7 (16)  19.4 (6)  14.1 (10)  0.558 
Urinary albumin excretion, mg/24 hours (mean ± SD)  31.4±90.7  19.6±23.8  35.3±103.8  0.466 
Creatinine clearance by the Cockcroft‐Gault method, ml/min (mean ± SD)  73.2±30.1  57.7±25.8  77.2±29.9  0.005 

BMI: body mass index. p values adjusted by multivariate analysis of variance for age and gender.

The prevalence of target‐organ disease is described in Table 4. In the overall sample, the most prevalent was cardiac disease, followed in order of decreasing prevalence by mild valve disease (50.5%), LVH (according to echocardiographic criteria, 16.2%), heart failure (10.3%) and myocardial infarction (5.1%). The least prevalent was peripheral arterial disease, with no cases identified (0.0%).

Table 4.

Prevalence of target‐organ disease in the overall sample and by body weight group.

  Total  BMI <25.0  BMI ≥25.0  p (unadjusted)  p (adjusted) 
Stroke (%, n)  2.6 (4)  4.5 (2)  1.8 (2)  0.352  0.406 
Myocardial infarction (%, n)  5.1 (8)  9.0 (4)  3.6 (4)  0.191  0.233 
Coronary disease (%, n)  3.9 (6)  4.5 (2)  3.5 (4)  0.779  0.897 
Heart failure (%, n)  10.3 (16)  18.1 (8)  7.1 (8)  0.051  0.082 
Peripheral arterial disease (%, n)  – (0)  – (0)  – (0)  –  – 
Retinopathy (%, n)  2.6 (4)  4.5 (2)  1.8 (2)  0.3796  0.757 
Renal disease (%, n)  5.1 (8)  4.5 (2)  5.6 (6)  0.4203  0.053 
LVH (%, n) (electrocardiographic criteria)  6.5 (10)  0 (0)  9.8 (10)  0.0101  0.266 
Mild valve disease (%, n)  50.5 (52)  29.6 (8)  57.9 (44)  0.2176  0.021 

BMI: body mass index; LVH; left ventricular hypertrophy. p values adjusted by multivariate analysis of variance for age, gender, duration of hypertension and previous diagnosis of dyslipidemia.

Unadjusted p values only showed significant differences between the groups in the case of LVH (using electrocardiographic criteria). Nevertheless, after multivariate analysis of variance for age, gender, duration of hypertension and dyslipidemia, only the grade of valve disease remained statistically significant (p=0.021). Mild valve disease was more frequent in OW/Ob than in their lean counterparts (57.9% vs. 29.6%). Nevertheless, the same effect was not observed for moderate valve disease, which may be due to the small number of cases (n=6 in lean, and n=2 in OW/Ob). The type of valve disease (aortic regurgitation, aortic stenosis and mitral regurgitation) did not differ significantly between groups.

Regarding global cardiovascular risk, the mean Framingham score of the overall sample was 9.6±7.4, significantly higher in the OW/Ob group (n=97), with a mean score of 10.9±7.7 vs. 6.5±5.7 in the lean group (n=43). The number of missing cases was similar in both groups (11.0% vs. 8.5%), and the difference in the mean Framingham score was statistically significant (p<0.001).

Discussion

The prevalence of obesity in our sample of hypertensive patients (29.5%) was higher than that reported in the last survey in the general Portuguese population (13.8%).13 This difference may be explained by the well‐known effect of increased body weight on BP values.

In our study, OW/Ob subjects did not present a higher prevalence of dyslipidemia. Although mean total cholesterol and LDL cholesterol did not differ between the two groups, mean HDL cholesterol was lower and triglycerides were higher in the OW/Ob group, and these differences were statistically significant. Similar findings were described in a study by Shah et al.,14 which suggests that total cholesterol alone might not be the most appropriate parameter in routine health screening for dyslipidemia in hypertensive patients.

The prevalence of diabetes in this sample of hypertensive patients was higher than in the general Portuguese population (35.9 vs. 11.7%).15 When analyzed by body weight groups, this difference was mainly due to the higher prevalence of type 2 diabetes in the OW/Ob hypertensive group (44.6%), while the prevalence in normal weight hypertensive subjects was close to that of the general population (13.6%). Thus excess body weight in hypertensive subjects appears to be related to a higher prevalence of diabetes, as suggested in previous studies in the general population.16

We found a tendency for increased urinary albumin excretion in OW/Ob hypertensives compared to normal weight hypertensives, although this was not statistically significant (35.3% vs. 19.6%, p=0.4664). This is consistent with a study by Viazzi et al.17 that found a significantly greater prevalence and severity of target‐organ disease in obese than in non‐obese hypertensive patients, including a higher urinary albumin excretion rate (−0.05±0.52 vs. −0.28±0.43 log albumin to creatinine ratio, p<0.0001).

The most prevalent target‐organ disease in our sample was cardiac. The effect of obesity on the development of LVH in hypertensive patients was described by Smieder et al., who showed that LVH was more severe in obese than in lean hypertensives, particularly in white subjects and in men.18 The same group also reported reduced indicators of ventricular filling in obese hypertensive patients compared to their lean counterparts. DeDivitis et al. and Kannel et al. suggested that depressed myocardial contractility and diastolic dysfunction, when sustained, will eventually lead to premature congestive heart failure, particularly in patients with obesity hypertension.19,20

According to Schmieder et al., unloading from the heart the double burden of obesity and hypertension by losing weight and controlling BP should be a major goal in the management of hypertensive patients.18

There are limited data regarding the direct effects of obesity on the heart valves, since poor echocardiographic windows in obese subjects hamper the quantitative assessment of valve disease. Nevertheless, somewhat counterintuitively, a study assessing the frequency of valvular abnormalities showed a lower prevalence of valvular regurgitation in obese than in normal‐weight subjects.21

To summarize, in our sample of hypertensive patients, overweight and obesity appear to be associated with a less favorable lipid profile (higher triglycerides and lower HDL cholesterol) and with a higher prevalence of type 2 diabetes. We also found a trend suggesting that overweight and obese patients may be more likely to develop renal subclinical disease, as they appear to have higher urinary albumin excretion. Finally, cardiac target‐organ disease, particularly valve disease, also appears to be more prevalent in overweight and obese hypertensive compared with their lean counterparts. More powerful studies are needed to clarify how this effect varies with increasing grade of severity of valve disease.

The use of the Framingham score in this sample showed that although both obese and non‐obese diabetic patients are at risk of cardiovascular disease (10‐year risk: 10.9% vs. 6.5%, p<0.001), the risk is significantly higher in OW/Ob patients. On the basis of our findings we suggest strict metabolic monitoring and improved education on weight reduction and control at primary health care clinics.

Ethical disclosuresProtection of human and animal subjects

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

Confidentiality of data

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

Right to privacy and informed consent

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

Conflicts of interest

The authors have no conflicts of interest to declare.

Funding and acknowledgements

This study was supported by the Portuguese Society of Hypertension. ALN was supported by the Portuguese Foundation for Science and Technology (SFRH/SINTD/60105/2009 and SFRH/BD/52036/2012). The authors acknowledge USF Camélias’ health professionals for their logistic support on patient recruitment.

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