<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1812-9528</journal-id>
<journal-title><![CDATA[Memorias del Instituto de Investigaciones en Ciencias de la Salud]]></journal-title>
<abbrev-journal-title><![CDATA[Mem. Inst. Investig. Cienc. Salud]]></abbrev-journal-title>
<issn>1812-9528</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Investigaciones en Ciencias de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1812-95282014000200009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Frecuencia de Hipertensión Arterial en pacientes de primera consulta en consultorio externo de la Primera Cátedra de Clínica Médica, Hospital de Clínicas, año 2012]]></article-title>
<article-title xml:lang="en"><![CDATA[Frequency of high blood pressure in patients at first attendance to the Ambulatory Care of the First Department of Internal Medicine, Clinicas Hospital in 2012]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz Galeano]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Brizuela]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardenas]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figueredo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chirico Achinelli]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas Hospital de Clínicas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas Departamento de Estadística]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2014</year>
</pub-date>
<volume>12</volume>
<numero>2</numero>
<fpage>59</fpage>
<lpage>67</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1812-95282014000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1812-95282014000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1812-95282014000200009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[La hipertensión arterial es un factor de riesgo para el desarrollo de enfermedades cardiovasculares, principales causas de mortalidad en todo el mundo. El objetivo de este trabajo fue determinar la frecuencia de hipertensión arterial y su asociación con otros factores de riesgo cardiovascular en pacientes de primera consulta en el consultorio de la Primera Cátedra de Clínica Médica del Hospital de Clínicas, FCM, UNA en 2012. Se realizó unestudio observacional, descriptivo, retrospectivo, con componente analítico en el que se estudió a pacientes entre 18 y 90 años, seleccionados por muestreo aleatorio simple. En el periodo de estudio se registraron 4.046 historias clínicas en primera consulta, y 3.854 fueron consideradas para la aleatorización. Se estudiaron las variables demográficas, antropométricas, bioquímicas, presencia de hipertensión arterial, diabetes mellitus tipo 2, consumo de alcohol y tabaco. Se analizaron las historias clínicas de 457 pacientes con una edad media de 44,13±17 años; 48,23±18 años en hombres y 46,61±11 años en mujeres,300 (66%) fueron mujeres. La frecuencia de la hipertensión arterial± IC95%fue de30,41±4,2%, sin diferencia significativa entre mujeres y hombres (32,33±4,3% versus 28±4,1%). La obesidad fue el factor de riesgo cardiovascular más frecuente. Alrededor del 60% de los pacientes presentaba uno o más factores de riesgo cardiovascular.La hipertensión arterial se asoció conla obesidad (OR:4,427; IC95%: 2,345-4,876; p=0,032), la diabetes (OR: 2,141; IC 95%: 1,261-2,347; p=0,005) y niveles de c-HDL <35 mg/dl (OR: 1,761; IC 95%: 1,116-1,876; p= 0,001).Las altas frecuencias de hipertensión arterialy obesidad observadas en esta población coinciden con los datos reportados a nivel nacional y estuvo asociada significativamente a otros factores cardiovasculares.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Hypertension is a risk factor for the development of cardiovascular disease, the leading causes of mortality worldwide. The aim of this study was to determine the frequency of hypertension and its association with other cardiovascular risk factors, in patients at their first appointment in the Outpatient Care of Medical Clinic, Clinical Hospital, School of Medicine, in 2012. An observational, descriptive, retrospective study with an analytical component was conducted, in which we studied patients aged 18 to 90 years, selected by simple random sampling. In the study period, there were a total of 4,046 medical records in the first query, 3,854 met the inclusion criteria and were considered for randomization. Demographic, anthropometric, biochemical variables, blood pressure, type 2 diabetes mellitus, alcohol and tobacco consumption were studied. The sample size was 457 medical records which were analyzed, the overall mean age was 44.13±17 years (men: 48.23±18 years; women: 46.61±11 years), 300 patients (66%) were women. The overall frequency of hypertension (95% CI) was 30.41±4.2%, with no significant statistical difference (p=0.261) between women and men (32.33±4.3% versus 28±4.1%). Obesity was the most frequent cardiovascular risk factor. Almost 60% of patients had one or more cardiovascular risk factors. Hypertension was associated with obesity (OR: 4.427, 95% CI 2.345 to 4.876, p=0.032), diabetes (OR: 2.141, 95% CI: 1.261 to 2.347, p=0.005) and HDL-C<35 mg/dl (OR: 1.761, 95% CI: 1.116 to 1.876, p=0.001). The high frequency of hypertension and obesity observed in this population are consistent with data reported at the national level and was significantly associated with other cardiovascular factors.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[frecuencia]]></kwd>
<kwd lng="es"><![CDATA[hipertensión arterial]]></kwd>
<kwd lng="es"><![CDATA[factores de riesgo cardiovascular]]></kwd>
<kwd lng="es"><![CDATA[consultorio]]></kwd>
<kwd lng="en"><![CDATA[frequency]]></kwd>
<kwd lng="en"><![CDATA[hypertension]]></kwd>
<kwd lng="en"><![CDATA[cardiovascular risk factors]]></kwd>
<kwd lng="en"><![CDATA[outpatient care]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>ARTICULO ORIGINAL</b></font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>Frecuencia de Hipertensi&oacute;n Arterial en pacientes de primera consulta en consultorio  externo de la Primera C&aacute;tedra de Cl&iacute;nica M&eacute;dica, Hospital de Cl&iacute;nicas, a&ntilde;o 2012</b></font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>Frequency of high  blood pressure in patients at first attendance to the Ambulatory Care of the  First Department of Internal Medicine, Clinicas Hospital in 2012</b></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b><a name="autor"></a><a href="#corres">*</a>Ortiz Galeano<sup>II</sup>, Brizuela M<sup>II</sup>, Cardenas M<sup>II</sup>, Figueredo E<sup>II</sup>, Chirico Achinelli C<sup>I</sup></b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><sup>I</sup>C&aacute;tedra Libre de Semiolog&iacute;a M&eacute;dica. Primera C&aacute;tedra de Cl&iacute;nica M&eacute;dica. Hospital de Cl&iacute;nicas. Facultad de  Ciencias M&eacute;dicas. Universidad Nacional de Asunci&oacute;n, Paraguay    <br>  <sup>II</sup>Departamento de Estad&iacute;stica. Facultad de Ciencias  M&eacute;dicas. Universidad Nacional de Asunci&oacute;n, Paraguay</font></p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p>&nbsp;</p> <hr size "1" noshade>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>RESUMEN</b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La hipertensi&oacute;n  arterial es un factor de riesgo para el desarrollo de enfermedades  cardiovasculares, principales causas de mortalidad en todo el mundo. El  objetivo de este trabajo fue determinar la frecuencia de hipertensi&oacute;n arterial  y su asociaci&oacute;n con otros factores de riesgo cardiovascular en pacientes de primera  consulta en el consultorio de la Primera C&aacute;tedra de Cl&iacute;nica M&eacute;dica del Hospital  de Cl&iacute;nicas, FCM, UNA en 2012. Se realiz&oacute; unestudio  observacional, descriptivo, retrospectivo, con componente anal&iacute;tico en el que  se estudi&oacute; a pacientes entre 18 y 90  a&ntilde;os, seleccionados por muestreo aleatorio simple. En el periodo de estudio se registraron 4.046 historias cl&iacute;nicas en primera  consulta, y 3.854 fueron consideradas para la aleatorizaci&oacute;n.  Se estudiaron las variables demogr&aacute;ficas, antropom&eacute;tricas, bioqu&iacute;micas, presencia  de hipertensi&oacute;n arterial, diabetes mellitus tipo 2, consumo de alcohol y  tabaco. Se analizaron las historias cl&iacute;nicas de 457 pacientes con una edad  media de 44,13±17 a&ntilde;os; 48,23±18 a&ntilde;os en hombres y 46,61±11 a&ntilde;os en  mujeres,300 (66%) fueron mujeres. La frecuencia de la hipertensi&oacute;n arterial±  IC95%fue de30,41±4,2%, sin diferencia significativa entre mujeres y  hombres (32,33±4,3% versus 28±4,1%). La obesidad fue el factor de riesgo  cardiovascular m&aacute;s frecuente. Alrededor del 60% de los pacientes presentaba uno  o m&aacute;s factores de riesgo cardiovascular.La hipertensi&oacute;n arterial se  asoci&oacute; conla obesidad (OR:4,427; IC95%: 2,345-4,876;  p=0,032), la diabetes (OR: 2,141; IC 95%: 1,261-2,347; p=0,005) y niveles de  c-HDL &lt;35 mg/dl (OR: 1,761; IC 95%: 1,116-1,876; p= 0,001).Las altas  frecuencias de hipertensi&oacute;n arterialy obesidad observadas en esta  poblaci&oacute;n coinciden con los datos reportados a nivel nacional y estuvo asociada  significativamente a otros factores cardiovasculares.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Palabras claves: </b>frecuencia, hipertensi&oacute;n  arterial, factores de riesgo cardiovascular, consultorio.</font></p> <hr size "1" noshade>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>ABSTRACT</b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Hypertension is a  risk factor for the development of cardiovascular disease, the leading causes  of mortality worldwide. The aim of this study was to determine the frequency of  hypertension and its association with other cardiovascular risk factors, in  patients at their first appointment in the Outpatient Care of Medical Clinic,  Clinical Hospital, School of Medicine, in 2012. An observational, descriptive, retrospective study with an  analytical component was conducted, in which we studied patients aged 18 to 90  years, selected by simple random sampling. In the study period, there were a  total of 4,046 medical records in the first query, 3,854 met the inclusion  criteria and were considered for randomization. Demographic, anthropometric,  biochemical variables, blood pressure, type 2 diabetes mellitus, alcohol and  tobacco consumption were studied. The  sample size was 457 medical records which were analyzed, the overall mean age  was 44.13±17 years (men: 48.23±18 years; women: 46.61±11 years), 300 patients  (66%) were women. The overall frequency of hypertension (95% CI) was 30.41±4.2%,  with no significant statistical difference (p=0.261) between women and men  (32.33±4.3% versus 28±4.1%). Obesity was  the most frequent cardiovascular risk factor. Almost 60% of patients had one or  more cardiovascular risk factors. Hypertension was associated with obesity (OR:  4.427, 95% CI 2.345 to 4.876, p=0.032), diabetes (OR: 2.141, 95% CI: 1.261 to  2.347, p=0.005) and HDL-C&lt;35 mg/dl (OR: 1.761, 95% CI: 1.116 to 1.876, p=0.001).  The high frequency of hypertension and obesity observed in this population are  consistent with data reported at the national level and was significantly  associated with other cardiovascular factors.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Keywords: </b>frequency, hypertension, cardiovascular risk factors, outpatient care.</font></p> <hr size "1" noshade>     <p>&nbsp;</p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>INTRODUCCI&Oacute;N</b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Las enfermedades cardiovasculares (ECV) son las  principales causas de morbilidad y mortalidad en todo el mundo (1,2). Existen  varios factores de riesgo bien conocidos para el desarrollo de las ECV, como la  hipertensi&oacute;n arterial (HTA), la diabetes mellitus tipo 2 (DM2), el sobrepeso,  la obesidad, la dislipidemia, el tabaquismo y los h&aacute;bitos sedentarios (3-8).  Las ECV incluyen a la cardiopat&iacute;a coronaria, la enfermedad cerebrovascular y la  enfermedad vascular perif&eacute;rica, principales causas de mortalidad en individuos  con HTA (9).</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Las evidencias cient&iacute;ficas demuestran que la  HTA est&aacute; relacionada con diferentes  marcadores de riesgo vascular (10,11) y asociada a otros factores de riesgo cardiovascular (12-14).</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La prevalencia de la HTA est&aacute; aumentando en los pa&iacute;ses  desarrollados debido al incremento de la esperanza de vida, la obesidad y los  h&aacute;bitos sedentarios (15,16). En Am&eacute;rica Latina tambi&eacute;n la prevalencia est&aacute; en ascenso por fen&oacute;menos similares a los ocurridos en pa&iacute;ses desarrollados (17).  Numerosos estudios poblacionales han descrito la prevalencia de HTA en diversas  poblaciones del mundo. En general y dependiendo del grupo de edad estudiado y  del pa&iacute;s, la prevalencia de la HTA se encuentra entre 20% y 54% (18-22).</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La HTA es una enfermedad prevalente en Am&eacute;rica Latina,  alcanzando hasta el 35% en la poblaci&oacute;n de adultos (21). Seg&uacute;n la Primera  Encuesta Nacional de Factores de Riesgo  y Enfermedades no Transmisibles realizada en Paraguay en 2011, la prevalencia  en la poblaci&oacute;n adulta paraguaya de la HTA fue del 32,2% (23).</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Se desconoce la frecuencia de la HTA y los factores asociados en pacientes que consultan en el consultorio externo de la Primera C&aacute;tedra de Cl&iacute;nica  M&eacute;dica del Hospital de Cl&iacute;nicas (1&ordm;CCM-HC), Facultad de Ciencias M&eacute;dicas (FCM)  de la Universidad Nacional de Asunci&oacute;n (UNA). Por lo tanto, conocer su  frecuencia y factores asociados ser&iacute;a de gran ayuda a fin de implementar una  mejor estrategia de prevenci&oacute;n, diagn&oacute;stico y control de factores de riesgo  cardiovascular en este tipo de pacientes.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">En este estudio se determin&oacute; la frecuencia y  factores asociados de la HTA en pacientes de consultorio externo de la  1&ordm;CCM-HC, FCM-UNA.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>MATERIALES Y METODOS</b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Estudio  observacional, descriptivo, retrospectivo, con componente anal&iacute;tico. En el periodo comprendido entre enero y diciembre de 2012 consultaron 4.046  pacientes en primera consulta por cualquier motivo en el consultorio externo de la ICCM-HC. El muestreo utilizado fue probabil&iacute;stico,  aleatorio simple; 3.854 historias cl&iacute;nicas fueron consideradas para la aleatorizaci&oacute;n por cumplir los criterios de inclusi&oacute;n: ser  adulto y tener la historia cl&iacute;nica completa.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">El tama&ntilde;o de la muestra fue estimado en base a una frecuencia esperada de HTA de 30% y una  amplitud de 10%, para un intervalo de confianza del 95 %, y el tama&ntilde;o de muestra necesario (24) fue 323 pacientes.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Los datos analizados de  las historias cl&iacute;nicas fueron las variables demogr&aacute;ficas, antropom&eacute;tricas (peso, talla, IMC), bioqu&iacute;micas (glicemia, colesterol total, c-LDL y c-HDL),  consumo o no de alcohol y tabaco, y la presencia o ausencia de HTA y DM2. Para  el diagn&oacute;stico de HTA se consider&oacute; los criterios del S&eacute;ptimo</>Joint National</i> del Comit&eacute; de Prevenci&oacute;n, Detecci&oacute;n,  Evaluaci&oacute;n y Tratamiento de la presi&oacute;n arterial (25) (presi&oacute;n arterial  diast&oacute;lica &ge; 90 y/o presi&oacute;n arterial sist&oacute;lica &ge;140).</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Los datos fueron introducidos en una hoja de c&aacute;lculo Microsoft Excel  2007 de forma independiente por dos personas del Departamento de Estad&iacute;sticas del Hospital de Cl&iacute;nicas. Las variables cualitativas fueron expresadas en forma  de frecuencia relativa y porcentual. Para evaluar la posible asociaci&oacute;n entre la HTA y los factores de riesgo se realiz&oacute; un an&aacute;lisis bivariado  (chi cuadrado), y los que resultaron significativos fueron posteriormente  analizados por regresi&oacute;n log&iacute;stica binaria. La fuerza de la asociaci&oacute;n fue  expresada como Odds Ratio (OR)  con sus respectivos IC95%. Las variables  independientes continuas fueron dicotomizadas de acuerdo a los valores de  referencia en dentro y fuera de rango (26-29): DM2 glicemia &ge; 126 mg/dl;  colesterol total anormal &ge; 200 mg/dl; c-HDL anormal &lt;35 mg/dl en hombres y  &lt;45 mg/dl en mujeres; c-LDL anormal &ge;130 mg/dl y el IMC obeso &ge;30 Kg/m2.  Como criterio de significaci&oacute;n estad&iacute;stica bilateral se consider&oacute; p&le;0,05. Los an&aacute;lisis estad&iacute;sticos se realizaron con el software IBM® SPSS® 18.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>RESULTADOS</b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Se analizaron 457  fichas cl&iacute;nicas de pacientes de consultorio externo, de 18 y 82 a&ntilde;os, la edad  media global de los pacientes fue de 44,13±17 a&ntilde;os; 42,23±18 a&ntilde;os en hombres y  48,61±11 a&ntilde;os en mujeres. Un total de 300 (65,60%) eran mujeres.  Eran procedentes de Asunci&oacute;n y Gran Asunci&oacute;n 289 (60,30%) pacientes y 221 (48,35%) eran  solteros.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Un total de 139  pacientes (30,4±4,2%) padec&iacute;an HTA, sin  diferencia estad&iacute;stica significativa (p= 0,261) entre mujeres y hombres  (32,33±4,3% versus 26,75±4,1%). La mayor frecuencia de HTA de los pacientes  estudiados se encontr&oacute; en mayores de 60 a&ntilde;os, con diferencia estad&iacute;stica en  mujeres (<a href="#2a09t1">Tabla 1</a>).</font></p>     <p>&nbsp;</p>     <p align="center"><a name="2a09t1"></a><img src="/img/revistas/iics/v12n2/2a09t1.jpg"></p>     <p align="center">&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">M&aacute;s de la mitad de los pacientes  presentaban alg&uacute;n factor de riesgo cardiovascular, mayor frecuencia en mujeres  que en hombres (67,7±4,2 versus 43,3±4,8) (p=&lt;0,001). La ausencia de factor de riesgo cardiovascular fue mayor  en hombres que en mujeres (56,7±5,4 versus 32,3±5,2) (p=&lt;0,001) (<a href="#2a09t2">Tabla 2</a>); y m&aacute;s de la mitad de los pacientes con presencia de uno o m&aacute;s factores de riesgo  cardiovascular (<a href="#2a09t3">Tabla 3</a>).</font></p>     <p>&nbsp;</p>     <p align="center"><a name="2a09t2"></a><img src="/img/revistas/iics/v12n2/2a09t2.jpg"></p>     <p align="center">&nbsp;</p>     <p align="center"><a name="2a09t3"></a><img src="/img/revistas/iics/v12n2/2a09t3.jpg"></p>     <p align="center">&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La <a href="#2a09t4">Tabla 4</a> presenta  la frecuencia de factores de riesgo cardiovascular en los pacientes estudiados,  siendo los m&aacute;s frecuentes la obesidad, las dislipidemias, la HTA y el consumo  de tabaco.</font></p>     <p>&nbsp;</p>     <p align="center"><a name="2a09t4"></a><img src="/img/revistas/iics/v12n2/2a09t4.jpg"></p>     <p align="center">&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La <a href="#2a09t5">Tabla 5</a> presenta el an&aacute;lisis  bivariado para los factores de riesgo asociados a la HTA. La HTA se encuentra asociada a la obesidad,  la DM2 y a la concentraci&oacute;n de c-HDL &lt; 35 mg/dl  (p= &le;0,05).</font></p>     <p>&nbsp;</p>     <p align="center"><a name="2a09t5"></a><img src="/img/revistas/iics/v12n2/2a09t5.jpg"></p>     <p align="center">&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La <a href="#2a09t6">Tabla 6</a> presenta un modelo  de regresi&oacute;n log&iacute;stica para estimar la asociaci&oacute;n entre cada factor de riesgo  cardiovascular y la HTA. Los factores asociados a la HTA fueron similares a las  encontradas en el an&aacute;lisis bivariado: la obesidad (OR: 4,427;  IC 95%: 2,345-2,876; P=0,032), la DM2 (OR: 2,141; IC 95%: 1,261-1,347; P=0,005)  y el c-HDL &lt;35 mg/dl (OR: 1,761; IC 95%: 0,871-0,991; p= 0,001).</font></p>     <p>&nbsp;</p>     <p align="center"><a name="2a09t6"></a><img src="/img/revistas/iics/v12n2/2a09t6.jpg"></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>DISCUSI&Oacute;N</b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Este estudio muestra  una alta frecuencia de HTA entre los pacientes del consultorio externo de la 1ºCCM-HC, UNA, mayor en mujeres que en hombres, y que existe una asociaci&oacute;n  significativa con factores de riesgo de ECV. Estos hallazgos son similares a  estudios realizados en otros pa&iacute;ses de la regi&oacute;n, como Brasil y Cuba, en donde  encontraron frecuencia de HTA entre 21% y 28% asociados a la obesidad y a la  DM2 (30,31). Es destacable que la frecuencia de HTA sea similar a la poblaci&oacute;n  adulta de otros pa&iacute;ses como Brasil (22%), Argentina (28%), Chile (33%), Uruguay  (33%) (21,30). Esta situaci&oacute;n podr&iacute;a  estar relacionada con la alta prevalencia de sobrepeso, obesidad,  dislipidemias, estilo de vida sedentaria, consumo de alcohol y tabaco en la  poblaci&oacute;n adulta de nuestro pa&iacute;s (23). La frecuencia de la HTA fue mayor en los  adultos mayores, similar a la observada en otros estudios (15-17,31). Este  aumento de la presi&oacute;n arterial en este grupo etario podr&iacute;a deberse a la  disminuci&oacute;n de la elasticidad arterial y a la lesi&oacute;n endotelial en presencia de  factores de riesgo como la dislipidemia, el consumo de tabaco, la DM2 y la obesidad  (5-7,11,12,32,33). La frecuencia m&aacute;s  alta de HTA en mujeres podr&iacute;a deberse a la mayor edad de las mujeres que  consultaron en el consultorio de la ICCM- HC en relaci&oacute;n a los hombres. Un  hallazgo llamativo es la aparici&oacute;n temprana de la HTA en las mujeres  estudiadas, diferente al estudio realizado por Ferreira</i>et al</i>.  en donde la frecuencia de la HTA aumenta a edades m&aacute;s tard&iacute;a (30).</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">M&aacute;s de la mitad de los  pacientes presentan uno o m&aacute;s factores de riesgo de ECV, lo que alarma acerca  de la probabilidad de ocurrencia de alg&uacute;n evento cardiovascular en los pr&oacute;ximos  a&ntilde;os. En Cuba, se buscaron los factores de riesgo de ECV en pacientes adultos  de consultorio de un hospital para determinar el riesgo cardiovascular global y  encontraron una alta frecuencia de obesidad, HTA y diabetes; encontr&aacute;ndose en casi el 25% de los pacientes riesgo alto y  muy alto de morbimortalidad cardiovascular en los siguientes 5 a 10 a&ntilde;os (31).</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">En este estudio la HTA  se asoci&oacute; a otros factores de riesgo de ECV bien conocidos como la obesidad, la  DM2 y el c-HDL bajo. Ferreira</>et al</i>. en Brasil encontraron asociaci&oacute;n  entre la obesidad, la DM2, las dislipidemias con la HTA (30); Fasce</>et al</i>. en Chile encontraron correlaci&oacute;n  entre la obesidad central, el nivel socioecon&oacute;mico bajo y la HTA (34). La alta  frecuencia de la obesidad en los pacientes estudiados podr&iacute;a ser una de las  causas del aumento de la HTA en nuestros pacientes. El otro motivo de la alta  frecuencia de HTA podr&iacute;a relacionarse a las caracter&iacute;sticas de los pacientes  que consultan al hospital, en el que m&aacute;s de la mitad fueron pacientes con  presencia de factores de riesgo cardiovascular y muchos fueron derivados con  diagn&oacute;stico de HTA por ser el HC-FCM-UNA un  centro asistencial m&aacute;s complejo.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Una de las principales limitaciones de este estudio es su  dise&ntilde;o transversal, lo que nos impide establecer relaciones de causalidad entre  la HTA y los factores de riesgo cardiovasculares analizados, pero podr&iacute;a servir  para realizar posteriormente un estudio  longitudinal. Por otra parte, las caracter&iacute;sticas de los pacientes que  consultaron en el hospital difieren de la poblaci&oacute;n general, por lo que la  generalizaci&oacute;n de nuestro estudio debe hacerse con cautela. La otra limitaci&oacute;n de este estudio fue la no valoraci&oacute;n del  electrocardiograma de los pacientes hipertensos, debido al bajo registro de los  mismos en las historia cl&iacute;nicas. Cuspidi C.</>et al.</i> en una revisi&oacute;n de estudios encontraron una prevalencia de  18% de hipertrofia ventricular izquierda en pacientes hipertensos adultos; 24%  en hombres y 16% en mujeres (35). La presencia de la hipertrofia ventricular  izquierda en el elecrocardiograma juega un papel importante en la  identificaci&oacute;n del da&ntilde;o org&aacute;nico subcl&iacute;nico y optimizaci&oacute;n del control de la  presi&oacute;n arterial de los pacientes hipertensos.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Estos resultados tienen por sobre todo un inter&eacute;s cl&iacute;nico  y epidemiol&oacute;gico porque alertan sobre la elevada frecuencia de HTA y de los  factores de riesgo de ECV asociados en pacientes que consultan al HC-FCM-UNA.  El diagn&oacute;stico y el tratamiento adecuado de la HTA y de los factores de riesgo  de ECV en especial de la obesidad en los pacientes de consultorio externo de  Cl&iacute;nica M&eacute;dica disminuir&iacute;an la morbilidad y mortalidad debido a la HTA.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>AGRADECIMIENTOS</b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A las doctoras Margarita Samudio y Susy Figueredo, y a la  licenciada Felicita Torales por sus contribuciones en el desarrollo de este  trabajo.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>REFERENCIAS BIBLIOGR&Aacute;FICAS</b></font></p>     <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">1. Mahmood SS, Levy D, Vasan RS, Wang TJ. The  Framingham heart study and the epidemiology of cardiovascular disease: a historical perspective. 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