<?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>2078-7170</journal-id>
<journal-title><![CDATA[CorSalud]]></journal-title>
<abbrev-journal-title><![CDATA[CorSalud]]></abbrev-journal-title>
<issn>2078-7170</issn>
<publisher>
<publisher-name><![CDATA[Cardiocentro Ernesto Che Guevara]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2078-71702020000100038</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Supervivencia a los cinco años en pacientes con valvulopatías izquierdas operados de cirugía cardíaca valvular]]></article-title>
<article-title xml:lang="en"><![CDATA[Five-year survival of patients with left-side heart valve disease who underwent heart valve surgery]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Mesa]]></surname>
<given-names><![CDATA[José E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Padrón García]]></surname>
<given-names><![CDATA[Kenia M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paredes Cordero]]></surname>
<given-names><![CDATA[Ángel M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Greck]]></surname>
<given-names><![CDATA[Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Trujillo]]></surname>
<given-names><![CDATA[Aníbal]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Vázquez]]></surname>
<given-names><![CDATA[Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderín Pino]]></surname>
<given-names><![CDATA[Reynold]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Faustino Pérez Hernández Servicio de Cardiología ]]></institution>
<addr-line><![CDATA[Matanzas ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas de Matanzas  ]]></institution>
<addr-line><![CDATA[Matanzas ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Cardiología y Cirugía Cardiovascular Departamento de Medicina Nuclear ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto de Cardiología y Cirugía Cardiovascular Servicio de Cirugía Cardiovascular ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Hospital Provincial Faustino Pérez Hernández Servicio de Terapia Intermedia Polivalente ]]></institution>
<addr-line><![CDATA[Matanzas ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>12</volume>
<numero>1</numero>
<fpage>38</fpage>
<lpage>45</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2078-71702020000100038&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2078-71702020000100038&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2078-71702020000100038&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La supervivencia a mediano y largo plazo es un parámetro necesario para evaluar los resultados de la cirugía valvular cardíaca.  Objetivos:  Determinar la supervivencia a los cinco años de los pacientes operados de cirugía cardíaca valvular aórtica, mitral o ambas, y las variables que pueden pronosticar de manera independiente una peor sobrevida en el seguimiento.  Método:  Se realizó un estudio de cohorte que evaluó a los 139 pacientes operados de cirugía cardíaca valvular en el trienio 2010-2012, en el Instituto de Cardiología y Cirugía Cardiovascular de La Habana, Cuba, y que fueron egresados vivos del postoperatorio, hasta un período de cinco años posteriores a la intervención. Se realizó una curva de Kaplan Meier para determinar la supervivencia al final del seguimiento, así como un análisis multivariable de Cox para determinar las variables que se asociaron a una menor supervivencia. El nivel de significación estadística empleado fue p&lt;0,05.  Resultados:  La muestra resultó homogénea según las variables clínicas y demográficas. La supervivencia al término del seguimiento, que tuvo una media de 5,8 años, fue de un 93%. El incremento de la edad (HR=1,15; p=0,001) y el haber sufrido bajo gasto cardíaco durante el perioperatorio (HR=3,54; p=0,037) se asociaron de manera independiente a una peor sobrevida en el seguimiento.  Conclusiones:  La supervivencia de los pacientes al concluir el seguimiento fue elevada. El incremento de la edad y el bajo gasto cardíaco perioperatorio fueron las variables asociadas de manera independiente a una menor sobrevida.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The mid and long term survival rate is a necessary parameter to evaluate the outcomes of heart valve surgery.  Objectives:  To determine the five-year survival of patients who underwent aortic and/or mitral valve surgery, and the variables that could independently predict a lower survival in the follow-up.  Method:  A cohort study was conducted for evaluating 139 patients who underwent a heart valve surgery, in the period 2010-2012, at the Instituto de Cardiología y Cirugía Cardiovascular of Havana, Cuba, all of which survived the postoperative period, and were followed up to five years after the surgery. A Kaplan-Meier curve was performed to determine the survival after surgery. Also, a multivariate Cox regression was carried out to determine the variables that were independently associated with a lower survival rate. The statistical significance level used was p&lt;0.05.  Results:  The sample was homogeneous according to clinical and demographic variables. The overall survival rate was 93% at the end of the study, with a mean follow up of 5.8 years. The older age (HR=1.15; p=0.001) and the history of perioperative low cardiac output syndrome (HR= 3.54; p=0.037) were the variables independently associated to lower survival in the follow-up.  Conclusions:  The patients&#8217; survival when concluded the follow-up was high. The older age and the perioperative low cardiac output syndrome were the variables independently associated to lower survival.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Valvulopatía izquierda]]></kwd>
<kwd lng="es"><![CDATA[Cirugía valvular cardíaca]]></kwd>
<kwd lng="es"><![CDATA[Sobrevida]]></kwd>
<kwd lng="es"><![CDATA[Análisis de supervivencia]]></kwd>
<kwd lng="en"><![CDATA[Left-side heart valve disease]]></kwd>
<kwd lng="en"><![CDATA[Heart valve surgery]]></kwd>
<kwd lng="en"><![CDATA[Survival]]></kwd>
<kwd lng="en"><![CDATA[Survival Analysis]]></kwd>
</kwd-group>
</article-meta>
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