<?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>0034-7523</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[Rev cubana med]]></abbrev-journal-title>
<issn>0034-7523</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75232018000400004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Obesidad y mortalidad en los pacientes con insuficiencia cardiaca crónica]]></article-title>
<article-title xml:lang="en"><![CDATA[Obesity and mortality in chronic heart failure patients]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chao Pereira]]></surname>
<given-names><![CDATA[Caridad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Clínico Quirúrgico &#8220;Hermanos Ameijeiras&#8221;  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>57</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75232018000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75232018000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75232018000400004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La obesidad causa insuficiencia cardiaca por diferentes mecanismos que no se limitan a factores mediadores tradicionales. Esta se asocia a mecanismos inflamatorios, disfunción endotelial y factores trombogénicos. En prevención secundaria se observó un efecto inverso de la obesidad en el pronóstico de pacientes con IC crónica. Este fenómeno se nombró la paradoja de obesidad.  Objetivo:  Actualizar los conocimientos sobre obesidad y su asociación con el pronóstico en relación a la mortalidad en los pacientes con insuficiencia cardiaca crónica.  Método:  Se realizó una revisión, no sistemática, de los estudios más significativos sobre el tema, publicados en PUBMED, EBSCO, Scopus, Cochrane y la Revista Cubana de Medicina Interna.  Conclusiones:  La obesidad ofrece información de pronóstico en relación a la mortalidad en los pacientes con insuficiencia cardiaca crónica. Los pacientes con obesidad y sobrepeso presentan menor mortalidad respecto a los normopeso.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Obesity causes heart failure by different mechanisms that are not limited to traditional mediating factors. This is associated with inflammatory mechanisms, endothelial dysfunction and thrombogenic factors. In secondary prevention, an inverse effect of obesity was observed in the prognosis of patients with chronic HF. This phenomenon is known as the obesity paradox.  Objective:  To update knowledge about obesity and its association with prognosis in relation to mortality in patients with chronic heart failure.  Method:  A non-systematic review of the most significant studies on the subject was carried out, which were published in PUBMED, EBSCO, Scopus, Cochrane and the Cuban Journal of Internal Medicine.  Conclusions:  Obesity offers prognostic information in relation to mortality in patients with chronic heart failure. Patients with obesity and overweight have lower mortality compared to normal weight.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Obesidad]]></kwd>
<kwd lng="es"><![CDATA[insuficiencia cardiaca]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
<kwd lng="en"><![CDATA[obesity]]></kwd>
<kwd lng="en"><![CDATA[heart failure]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
</kwd-group>
</article-meta>
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