<?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>2448-8909</journal-id>
<journal-title><![CDATA[Medicina crítica (Colegio Mexicano de Medicina Crítica)]]></journal-title>
<abbrev-journal-title><![CDATA[Med. crít. (Col. Mex. Med. Crít.)]]></abbrev-journal-title>
<issn>2448-8909</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Medicina Crítica A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-89092017000100036</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El tejido adiposo durante la enfermedad crítica y la paradoja de la obesidad]]></article-title>
<article-title xml:lang="en"><![CDATA[Adipose tissue during critical illness and the obesity paradox]]></article-title>
<article-title xml:lang="pt"><![CDATA[O tecido adiposo durante a doença crítica e o paradoxo com a obesidade]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vásquez-Revilla]]></surname>
<given-names><![CDATA[Héctor Romeo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Revilla-Rodríguez]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Regional de Alta Especialidad de Oaxaca (HRAEO)  ]]></institution>
<addr-line><![CDATA[Oaxaca ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<volume>31</volume>
<numero>1</numero>
<fpage>36</fpage>
<lpage>41</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092017000100036&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092017000100036&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092017000100036&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El término «paradoja de la obesidad» se refiere a las observaciones realizadas en varios estudios clínicos donde se demuestra un efecto protector de la obesidad cuando se presenta en el curso de una enfermedad crítica. Existe sustento fisiológico que podría explicar este beneficio, relacionado con la actividad metabólica y cambios celulares que presenta el tejido adiposo en los pacientes críticos con obesidad. Sin embargo, hay controversia en cuanto a si se trata de cambios protectores o sólo de una respuesta adaptativa a la enfermedad; se ha argumentado que existen factores que pudieran contribuir a tener una percepción errónea de este fenómeno, como la mala selección del diseño de las investigaciones, la carencia de escalas para valorar la severidad en los individuos obesos, lo inespecífico de las medidas antropométricas, entre otros. El objetivo del presente trabajo es revisar la información disponible sobre la función del tejido adiposo durante la enfermedad crítica y del sujeto con obesidad en la UCI.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The term «obesity paradox» refers to the observations made in several clinical studies where a protective effect of obesity is demonstrated when it presents in the course of a critical illness. There are physiological bases that could explain this benefit, related to the metabolic activity and cellular changes that adipose tissue presents in critically ill patients with obesity. However, there is controversy as to whether changes are protective or only an adaptive response to the disease; it has been argued that there are factors that could contribute to have a wrong perception of this phenomenon, such as poor choice of the study design, a lack of scales to assess the severity in obese patients, nonspecific anthropometric measurements, among others. The aim of this paper is to review the available information on the role of adipose tissue during critical illness and obese patients in the ICU.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: O termo «paradoxo da obesidade» refere-se às observações feitas em vários estudos clínicos em que se demostrou um efeito protetor da obesidade quando apresentado durante uma doença grave. Existe uma base fisiológica que poderia explicar este benefício relacionado com a actividade metabólica e alterações celulares que apresentam o tecido adiposo em pacientes obesos graves. No entanto, existe uma controvérsia si se trata de mudanças de proteção ou uma resposta adaptativa à doença, argumentando que existem fatores que podem contribuir para ter uma percepção equivocada deste fenômeno, como a má seleção do desenho dos estudos, falta de escalas para avaliar a gravidade em pacientes obesos, medidas antropométricas inespecíficas, entre outros. O objetivo deste artigo é revisar a informação disponível sobre o papel do tecido adiposo durante a doença crítica e dos pacientes obesos na UTI.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tejido adiposo]]></kwd>
<kwd lng="es"><![CDATA[obesidad]]></kwd>
<kwd lng="es"><![CDATA[enfermedad crítica]]></kwd>
<kwd lng="es"><![CDATA[UCI]]></kwd>
<kwd lng="en"><![CDATA[Adipose tissue]]></kwd>
<kwd lng="en"><![CDATA[obesity]]></kwd>
<kwd lng="en"><![CDATA[critical illness]]></kwd>
<kwd lng="en"><![CDATA[ICU]]></kwd>
<kwd lng="pt"><![CDATA[Tecido adiposo]]></kwd>
<kwd lng="pt"><![CDATA[obesidade]]></kwd>
<kwd lng="pt"><![CDATA[doença grave]]></kwd>
<kwd lng="pt"><![CDATA[UTI]]></kwd>
</kwd-group>
</article-meta>
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