<?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>0120-5633</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Colomb. Cardiol.]]></abbrev-journal-title>
<issn>0120-5633</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Colombiana de Cardiologia. Oficina de Publicaciones]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-56332016000500383</article-id>
<article-id pub-id-type="doi">10.1016/j.rccar.2016.05.013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Revascularización quirúrgica en pacientes con disfunción ventricular severa]]></article-title>
<article-title xml:lang="en"><![CDATA[Revascularization surgery in patients with severe ventricular dysfunction]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Cano]]></surname>
<given-names><![CDATA[Carlos A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Agámez]]></surname>
<given-names><![CDATA[Leydi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saldarriaga]]></surname>
<given-names><![CDATA[Clara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Ospina]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cañas]]></surname>
<given-names><![CDATA[Eliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Pontificia Bolivariana Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Clínica CardioVID Departamento de Cardiología ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Clinica CardioVID Departamento de Medicina ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Clínica CardioVID Departamento de Epidemiología ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2016</year>
</pub-date>
<volume>23</volume>
<numero>5</numero>
<fpage>383</fpage>
<lpage>388</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-56332016000500383&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-56332016000500383&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-56332016000500383&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  La enfermedad coronaria es la principal causa de la falla cardiaca en el mundo. Sin embargo, con frecuencia se niega la opción de la revascularización a los pacientes con disfunción ventricular severa.  Objetivo:  Describir las características clínicas y la mortalidad a 1 y 6 meses de los pacientes con fracción de eyección menor o igual a 35% sometidos a cirugía de revascularización coronaria en un centro de referencia en Colombia.  Metodología:  Estudio observacional, retrospectivo y descriptivo.  Resultados:  Se incluyeron 1133 pacientes intervenidos entre enero de 2009 y diciembre de 2013 de los cuales 77 tenían fracción de eyección ventricular menor o igual a 35% (6,8%). La edad promedio fue 63 años (37-82). La fracción de eyección promedio fue 31% (15-35%). El diámetro de fin de diástole indexado fue en promedio 30,2 (22,1-39,2). La indicación de la revascularización fue infarto agudo de miocardio en 75,6% y falla cardiaca crónica en 24%. La mortalidad a 30 días fue de 8,1% y a 6 meses 13,5%. Se observó mejoría de la fracción de eyección ventricular a los 6 meses en el 81% de los pacientes. Se realizó viabilidad miocárdica antes de la revascularización en solo 5 pacientes (6,6%).  Conclusiones:  Este estudio sugiere que el pronóstico de los pacientes con disfunción sistólica severa que son llevados a la revascularización quirúrgica es similar a lo reportado en otros estudios y adicionalmente se acompaña de mejoría de la fracción de eyección.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Coronary disease is the main cause for heart failure in the world. However, the option of revascularization is often denied to patients with severe ventricular dysfunction.  Motivation:  To describe clinical characteristics and mortality after 1 and 6 months of patients with an ejection fraction less than or equal to 35% who underwent coronary revascularization in a Colombian reference centre.  Methods:  Retrospective, descriptive, observational study.  Results:  1133 patients who had surgery between January 2009 and 2013 were included, of whom 77 had ventricular ejection fraction of less than or equal to 35%. Average age was of 63 years (37-82). Average ejection fraction was 31% (15-35%). Registered end-diastolic diameter averaged 30.2 (22.1-39.2). Indication for revascularization was acute myocardial infarction in 75.6% and chronic heart failure in 24% of the cases. 30-day mortality rate was 8.1% and 6- month mortality was 13.5%. Improvement of ventricular ejection fraction was seen on 81% of the patients. Myocardial viability assessment before revascularization was conducted in only 5 cases (6.6%).  Conclusions:  This study suggests that the prognosis of patients with severe systolic dysfunction who undergo revascularization surgery is similar to other studies and additionally helps improve ejection fraction.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Revascularización]]></kwd>
<kwd lng="es"><![CDATA[Cirugía]]></kwd>
<kwd lng="es"><![CDATA[Insuficiencia cardiaca]]></kwd>
<kwd lng="en"><![CDATA[Revascularization]]></kwd>
<kwd lng="en"><![CDATA[Surgery]]></kwd>
<kwd lng="en"><![CDATA[Heart failure]]></kwd>
</kwd-group>
</article-meta>
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