<?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>0188-2198</journal-id>
<journal-title><![CDATA[Revista mexicana de cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cardiol]]></abbrev-journal-title>
<issn>0188-2198</issn>
<publisher>
<publisher-name><![CDATA[Asociación Nacional de Cardiólogos de México, Sociedad de Cardiología Intervencionista de México]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-21982018000100055</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Association of epicardial adipose tissue with incidence, severity and recurrences of atrial fibrillation: results of a systematic review]]></article-title>
<article-title xml:lang="es"><![CDATA[Asociación del tejido adiposo epicárdico con la incidencia, la gravedad y las recurrencias de la fibrilación auricular: resultados de una revisión sistemática]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Betancur]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vásquez]]></surname>
<given-names><![CDATA[Elsa María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velásquez]]></surname>
<given-names><![CDATA[Jorge E]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aristizábal]]></surname>
<given-names><![CDATA[Julián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jorge]]></surname>
<given-names><![CDATA[Marín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[William]]></surname>
<given-names><![CDATA[Uribe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mauricio]]></surname>
<given-names><![CDATA[Duque]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,CES University Medicine Faculty ]]></institution>
<addr-line><![CDATA[Medellin ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,CES University Medicine Faculty ]]></institution>
<addr-line><![CDATA[Medellin ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,CES Cardiology Department of Cardiology and Electrophysiology ]]></institution>
<addr-line><![CDATA[Medellin ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,CES University Medicine Faculty ]]></institution>
<addr-line><![CDATA[Medellin ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<volume>29</volume>
<numero>1</numero>
<fpage>55</fpage>
<lpage>66</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-21982018000100055&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-21982018000100055&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-21982018000100055&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Atrial fibrillation is the most prevalent arrhythmia in clinical practice. Evidence has recently shown a relationship between epicardial adipose tissue and atrial fibrillation, which may be stronger than that for traditional obesity markers.  Objective:  To analyse the available evidence associating adipose epicardial tissue with incidence, severity and recurrences of atrial fibrillation.  Methods:  A systematic search in PubMed, EBSCO, Cochrane, SciELO and LILACS databases for observational studies published in the last 10 years, evaluating the association between atrial fibrillation and epicardial adipose tissue was undertaken. All articles were evaluated by two authors and differences were solved by consensus.  Results:  After having screened and evaluated articles for quality, 15 were selected for the qualitative synthesis. All studies reported a statistically significant association between total fat and periatrial epicardial adipose tissue and the presence of atrial fibrillation, which persisted after adjustment of covariates. The evidence was not uniform regarding arrhythmia severity. Periatrial epicardial fat was significantly higher in patients who had a recurrent disease.  Conclusion:  the presence of epicardial adipose tissue (total and periatrial) is significantly associated with atrial fibrillation and arrhythmia recurrence.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La fibrilación auricular es la arritmia más prevalente en la práctica clínica. Recientemente se ha demostrado una relación entre el tejido adiposo epicárdico y la fibrilación auricular, que puede ser más fuerte que la de los marcadores de obesidad tradicionales.  Objetivo:  Analizar las pruebas disponibles que asocian el tejido epicárdico adiposo con la incidencia, gravedad y recurrencia de la fibrilación auricular.  Métodos:  Se realizó una búsqueda sistemática en las bases de datos PubMed, EBSCO, Cochrane, SciELO y LILACS de estudios observacionales publicados en los últimos 10 años, evaluando la asociación entre la fibrilación auricular y el tejido adiposo epicárdico. Dos autores evaluaron todos los artículos y las diferencias se resolvieron por consenso.  Resultados:  Después de haber examinado y evaluado la calidad de los artículos, se seleccionaron 15 para la síntesis cualitativa. Todos los estudios informaron una asociación estadísticamente significativa entre la grasa total y el tejido adiposo epicárdico periatrial y la presencia de fibrilación auricular, que persistió después del ajuste de las covariables. Las evidencias no fueron uniformes con respecto a la gravedad de la arritmia. La grasa epicárdica periatrial fue significativamente mayor en los pacientes que tuvieron una enfermedad recurrente.  Conclusión:  La presencia de tejido adiposo epicárdico (total y periatrial) se asocia significativamente con fibrilación auricular y recurrencia de arritmia.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Atrial fibrillation]]></kwd>
<kwd lng="en"><![CDATA[epicardial adipose tissue]]></kwd>
<kwd lng="en"><![CDATA[epicardial fat]]></kwd>
<kwd lng="en"><![CDATA[pericardial fat]]></kwd>
<kwd lng="es"><![CDATA[Fibrilación auricular]]></kwd>
<kwd lng="es"><![CDATA[tejido adiposo epicárdico]]></kwd>
<kwd lng="es"><![CDATA[grasa epicardial]]></kwd>
<kwd lng="es"><![CDATA[grasa pericárdica]]></kwd>
</kwd-group>
</article-meta>
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