<?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>2954-3835</journal-id>
<journal-title><![CDATA[Cardiovascular and metabolic science]]></journal-title>
<abbrev-journal-title><![CDATA[Cardiovasc. metab. sci]]></abbrev-journal-title>
<issn>2954-3835</issn>
<publisher>
<publisher-name><![CDATA[Asociación Nacional de Cardiólogos de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2954-38352020000300071</article-id>
<article-id pub-id-type="doi">10.35366/95586</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Severe pericardial effusion etiologies]]></article-title>
<article-title xml:lang="es"><![CDATA[Etiologías del derrame pericárdico severo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arango-Moreno]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Múnera-Echeverri]]></surname>
<given-names><![CDATA[Ana G]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaviria-Aguilar]]></surname>
<given-names><![CDATA[María Clara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejía-Zuluaga]]></surname>
<given-names><![CDATA[Mateo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duque-González]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duque-Ramírez]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,CES University Hospital General de Medellín ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,CES University Hospital General de Medellín. Hospital General de Medellín ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,CES University Hospital General de Medellín ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,CES University Hospital General de Medellín ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<volume>31</volume>
<numero>3</numero>
<fpage>71</fpage>
<lpage>75</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2954-38352020000300071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2954-38352020000300071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2954-38352020000300071&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  The etiology of pericardial effusion is highly variable around the world. The present study describes the clinical features and etiologies of severe pericardial effusion in a series of cases treated at a third-level hospital in Medellín, Colombia.  Material and methods:  Retrospective case series based on clinical records. All patients treated between 2006 and 2018 with severe pericardial effusion requiring intervention for pericardial fluid drainage were included. The exclusion criteria were the absence of more than 50% of the data in the clinical history and the recurrence of the pericardial effusion after its first drainage. Etiology, indications for pericardial drainage and patient comorbidities are described.  Results:  48 patients were included, 50% men with a mean age of 52.4 years (SD 17.5). Non-infectious etiologies were the most common causes of severe pericardial effusion (66.7%), followed by idiopathic (20.8%) and infectious causes (12.5%), being tuberculosis the most important. The main indication for pericardial drainage was to determine its etiology (58.0%) and the most relevant comorbidity was hypertension (40.0%).  Conclusions:  The main causes of severe pericardial effusion were non-infectious, unlike previous reports from developing countries where infectious diseases are considered the most common. Although, the frequency of idiopathic etiology was lower than that reported in other series, it continues to be a representative number of patients in which the etiology cannot be established.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La etiología del derrame pericárdico es altamente variable en diferentes regiones del mundo. Este estudio describe las características clínicas y la etiología del derrame pericárdico severo en una serie de casos atendidos en un hospital de tercer nivel de la ciudad de Medellín, Colombia.  Material y métodos:  Serie de casos retrospectiva basada en registros clínicos. Se incluyeron todos los pacientes atendidos entre 2006 y 2018 que presentaron derrame pericárdico severo y requirieron intervención para extracción del líquido pericárdico. Los criterios de exclusión fueron la ausencia de más de 50% de los datos en la historia clínica. Para el análisis únicamente se tuvo en cuenta el primer derrame pericárdico y no la recurrencia de éste. Se describen etiología, indicación de drenaje y comorbilidades de los pacientes.  Resultados:  Se incluyeron 48 pacientes, 50% hombres, edad media 52.4 años (DE 17.5). Las etiologías no infecciosas fueron las más frecuentes (66.7%), seguidas por derrames pericárdicos idiopáticos (20.8%) y etiologías infecciosas (12.5%), la mayoría secundarias a tuberculosis. La principal indicación de drenaje fue búsqueda etiológica (58.0%) y la principal comorbilidad fue hipertensión (40.0%).  Conclusiones:  Las causas no infecciosas fueron las más comunes, contrario a lo reportado en otras series para países en vía de desarrollo donde las causas infecciosas son las más frecuentes. Aunque la etiología idiopática fue inferior a las reportadas en otras series, continúa siendo un número representativo de pacientes en los que no se logra establecer la etiología.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Severe pericardial effusion]]></kwd>
<kwd lng="en"><![CDATA[etiology]]></kwd>
<kwd lng="en"><![CDATA[developing countries]]></kwd>
<kwd lng="es"><![CDATA[Derrame pericárdico severo]]></kwd>
<kwd lng="es"><![CDATA[etiología]]></kwd>
<kwd lng="es"><![CDATA[país en desarrollo]]></kwd>
</kwd-group>
</article-meta>
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