<?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>1405-9940</journal-id>
<journal-title><![CDATA[Archivos de cardiología de México]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Cardiol. Méx.]]></abbrev-journal-title>
<issn>1405-9940</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Cardiología Ignacio Chávez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-99402016000300203</article-id>
<article-id pub-id-type="doi">10.1016/j.acmx.2015.12.005</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Risk factors for the development of postoperative pneumonia after cardiac surgery]]></article-title>
<article-title xml:lang="es"><![CDATA[Factores de riesgo para desarrollar neumonía postquirúrgica en pacientes operados de cirugía cardiaca]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vera Urquiza]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bucio Reta]]></surname>
<given-names><![CDATA[Eduardo Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Berríos Bárcenas]]></surname>
<given-names><![CDATA[Enrique Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Choreño Machain]]></surname>
<given-names><![CDATA[Tania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto Nacional de Cardiología Ignacio Chávez  ]]></institution>
<addr-line><![CDATA[Mexico ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Nacional de Cardiología Ignacio Chávez  ]]></institution>
<addr-line><![CDATA[Mexico ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Hospital Español  ]]></institution>
<addr-line><![CDATA[Mexico ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<volume>86</volume>
<numero>3</numero>
<fpage>203</fpage>
<lpage>207</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402016000300203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402016000300203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402016000300203&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective Identify risk factors that determine pneumonia development in patients who have undergone cardiac surgery.  Methods Prospective study of a single cohort in a postoperative intensive care unit at a tertiary care center, encompassing all patients undergoing cardiac surgery from January to July 2014.  Results 31 postoperative pneumonia cases were enrolled out of 211 patients (14.6%). The following independent risk factors were identified: hypertension (OR: 3.94, p = 0.01), chronic renal failure (OR: 13.67, p = 0.02), reintubation (OR: 22.29, p = 0.001) and extubation after 6 h (OR: 15.81, p = 0.005).  Conclusions Main determinants for pneumonia after surgery were hypertension, chronic renal failure, extubation after 6 h and reintubation.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo Identificar los factores de riesgo para desarrollar neumonía en el periodo postquirúrgico de pacientes sometidos a cirugía cardiaca.  Método Estudio de cohorte prospectiva que incluye pacientes &gt; 18 años sometidos a cirugía cardiaca de enero a julio de 2014, en el Instituto Nacional de Cardiología Ignacio Chávez, México D.F. Se considera un valor de p &lt; 0.05 como significativo.  Resultados De un total de 211 pacientes operados, se diagnosticaron 31 casos de neumonía postquirúrgica (14.6%). Se identificaron los siguientes factores de riesgo independientes para desarrollar neumonía: la hipertensión arterial sistémica (OR: 3.94, p = 0.01), el antecedente de insuficiencia renal crónica (OR: 13.67, p = 0.02). La reintubación (OR: 22.29, p = 0.001) y permanecer intubado por más de 6 horas (OR: 15.81, p = 0.005).  Conclusiones Los principales factores de riesgo independientes para desarrollar neumonía en el periodo postquirúrgico son la preexistencia de hipertensión arterial sistémica o insuficiencia renal crónica, la reintubación y permanecer intubado durante más de 6 h.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cardiac surgery]]></kwd>
<kwd lng="en"><![CDATA[Post-operative pneumonia]]></kwd>
<kwd lng="en"><![CDATA[Risk factors]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
<kwd lng="es"><![CDATA[Cirugía cardiaca]]></kwd>
<kwd lng="es"><![CDATA[Neumonía postquirúrgica]]></kwd>
<kwd lng="es"><![CDATA[Factor de riesgo]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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