<?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>0028-3746</journal-id>
<journal-title><![CDATA[Neumología y cirugía de tórax]]></journal-title>
<abbrev-journal-title><![CDATA[Neumol. cir. torax]]></abbrev-journal-title>
<issn>0028-3746</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Neumología y Cirugía de Tórax; Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas; Sociedad Cubana de Neumología; Sociedad Paraguaya de Neumología; Sociedad Boliviana de Neumología.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0028-37462017000300253</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Association between right heart failure and hospital mortality in exacerbation of COPD]]></article-title>
<article-title xml:lang="es"><![CDATA[Asociación entre insuficiencia cardíaca derecha y mortalidad hospilataria en exacerbación de la EPOC]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santellano-Juárez]]></surname>
<given-names><![CDATA[Brenda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Islas]]></surname>
<given-names><![CDATA[Dulce]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras-Ramírez]]></surname>
<given-names><![CDATA[Edna]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orea-Tejeda]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pineda-Juárez]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peláez-Hernández]]></surname>
<given-names><![CDATA[Viridiana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Keirns-Davies]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Saucedo]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Elizondo-Montes]]></surname>
<given-names><![CDATA[Marcela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Cortes]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas Heart Failure and Respiratory Distress Clinic, Cardiology Department ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Massachusetts General Hospital Interpreter Services  ]]></institution>
<addr-line><![CDATA[Boston ]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<volume>76</volume>
<numero>3</numero>
<fpage>253</fpage>
<lpage>258</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0028-37462017000300253&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0028-37462017000300253&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0028-37462017000300253&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Patients with chronic obstructive pulmonary disease (COPD) have a high prevalence of heart failure (HF). Patients with concurrent HF and COPD have worse prognosis. However, the impact of Right Heart Failure (RHF) on hospital mortality has not been explored.  Objective:  to evaluate the association between of right heart failure (RHF) and hospital mortality in COPD patients.  Methods:  An analytical cross-sectional study was performed in hospitalized COPD patients. The patients hospitalized between 2014 and 2015 were including in study.  Results:  Ninety-five patients diagnosed with COPD were analyzed: COPD alone (n = 25), COPD and HF with preserved ejection fraction (HFpEF) (n = 29), COPD and RHF (n = 41) and COPD and HF with reduced ejection fraction (HFrEF) (n = 0). The variables associated with risk of hospital mortality were RHF (OR: 10.91, 95% CI: 1.28 to 92.65, p = 0.029), stroke (OR: 14.4, 95% CI: 2.64 to 78.37, p 0.002), pulmonary thromboembolism (OR: 2.09, 95% CI: 1.47-2.98, &lt;0.001) and chronic renal disease (OR: 4.08, 95% CI: 3.36 to 7.01, p &lt; 0.001). Finally, RHF with COPD subjects has 9.42 times more risk of hospital mortality (OR: 9.42, 95% CI: 1.00 to 88.31, p = 0.049) than COPD without RHF adjusted by confusing variables.  Conclusion:  RHF is a independient risk factor for hospital mortality in COPD patients.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes:  Los pacientes con enfermedad pulmonar obstructiva crónica (EPOC) tienen alta prevalencia de insuficiencia cardíaca (IC). Los pacientes con concurrente IC y EPOC tienen peor pronóstico. Sin embargo, el impacto de la insuficiencia cardíaca derecha (ICD) sobre la mortalidad hospitalaria no ha sido explorada.  Objetivos:  Evaluar la asociación entre la ICD y la mortalidad hospitalaria en pacientes con EPOC.  Métodos:  Estudio transversal analítico llevado a cabo en pacientes con EPOC hospitalizados. Los pacientes hospitalizados entre el 2014 y 2015 fueron incluidos.  Resultados:  Noventa y cinco pacientes con diagnóstico de EPOC fueron analizados: EPOC solo (n = 25), EPOC con ICFEp (insuficiencia cardíaca con fracción de expulsión preservada) (n = 29), EPOC e IC (n = 41), y EPOC con ICFEc (insuficiencia cardíaca con fracción de expulsión reducida) (n = 0). Las variables asociadas con riesgo de mortalidad hospitalaria fueron ICD (OR: 10.91, 95% CI: 1.28 a 92.65, p = 0.029), evento cerebrovascular (OR: 14.4, 95% CI: 2.64 a 78.37, p 0.002), tromboembolia pulmonar (OR: 2.09, 95% CI: 2.09 1.47-2.98 &lt; 0.001) y enfermedad renal crónica (OR: 4.08, 95% CI: 3.36 a 7.01, p &lt; 0.001).  Conclusión:  La ICD es un factor de riesgo independiente para mortalidad hospitalaria en los pacientes con EPOC, que incrementa 9.42 veces.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Right heart failure]]></kwd>
<kwd lng="en"><![CDATA[prognosis]]></kwd>
<kwd lng="en"><![CDATA[chronic obstructive pulmonary disease]]></kwd>
<kwd lng="en"><![CDATA[hospital mortality]]></kwd>
<kwd lng="en"><![CDATA[right ventricular disfunction]]></kwd>
<kwd lng="es"><![CDATA[Insuficiencia cardíaca derecha]]></kwd>
<kwd lng="es"><![CDATA[pronóstico]]></kwd>
<kwd lng="es"><![CDATA[enfermedad pulmonar obstructiva crónica]]></kwd>
<kwd lng="es"><![CDATA[mortalidad hospitalaria]]></kwd>
<kwd lng="es"><![CDATA[disfunción del ventrículo derecho]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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