<?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>S0028-37462019000300277</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización integral del derrame pleural en un hospital de referencia del sureste de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Comprehensive description of pleural effusion in a reference center in the southeast of Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villarreal-Vidal]]></surname>
<given-names><![CDATA[Armando David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Mendoza]]></surname>
<given-names><![CDATA[Gary]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cortes-Telles]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Regional de Alta Especialidad de la Península de Yucatán  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>78</volume>
<numero>3</numero>
<fpage>277</fpage>
<lpage>283</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0028-37462019000300277&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0028-37462019000300277&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0028-37462019000300277&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La etiología del derrame pleural puede presentar variaciones según el ámbito geográfico, temporal o ubicación. En México, la información disponible del derrame pleural deriva de centros hospitalarios especializados en la atención de padecimientos respiratorios. Posiblemente los resultados no reflejen la frecuencia de atención de dicho padecimiento en otros escenarios, por ejemplo, en hospitales generales.  Objetivo:  Conocer la etiología, manifestaciones clínicas ydiferencias del líquido pleural entre las diversas etiologías del derrame pleural en un hospital general de referencia del Sureste de México.  Material y métodos:  Estudio observacional, prospectivo que incluye la totalidad de casos con derrame pleural ingresados en un período de tres años. Al ingreso en el servicio de admisión continua se realizó toracocentesis diagnóstica y se obtuvo un historial clínico a detalle.  Resultados:  Se incluyeron 178 casos que ingresaron para abordaje del derrame pleural. La etiología más común fue paraneumónica (34%). Entre los síntomas, la disnea fue el más frecuente (91%) y no fue diferente entre las etiologías del derrame pleural (p=0.095). Entre los síntomas, manifestaciones sistémicas como hiporexia, pérdida de peso se observaron con mayor frecuencia en los casos asociados a neoplasia y tuberculosis; en tanto, fiebre, manifestaciones bronquiales (tos, expectoración) y dolor torácico fueron más frecuentes en los casos de etiología infecciosa (paraneumónica y tuberculosis).  Conclusiones:  La etiología paraneumónica fue la causa más frecuente del derrame pleural en un hospital regional. La disnea fue el síntoma más prevalente sin diferencias entre etiologías. Los datos contrastan con lo previamente publicado, es posible que estas diferencias radiquen en el sistema de atención de los hospitales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction: The etiology of pleural effusion may vary depending on the geographic location or temporality. In Mexico, the information available regarding pleural effusion derives from third-level reference centers specialized in respiratory diseases. Possibly the results do not reflect the prevalence of this condition in other scenarios, such as, general wards.  Objective:  To determine the etiology, clinical manifestations and differences of the pleural fluid analysis between several etiologies of pleural effusion in a general reference center in the southeast of Mexico.  Material and methods: An observational, prospective study that includes all consecutive cases with pleural effusion admitted in a period of 3 years. On admission, a diagnostic thoracentesis was performed and detailed clinical history was obtained.  Results: We included 178 cases that were admitted with pleural effusion. The leading cause was parapneumonic (34%). Among symptoms, dyspnea was the most frequent (91%) and was not different among several pleural effusion etiologies (p = 0.095). Among symptoms, systemic manifestations such as hyporexia, weight loss were more prevalent in malignant pleuraleffusions and tuberculosis; meanwhile, fever, bronchial manifestations (cough, expectoration) and chest pain were more frequent in cases of infectious etiology (parapneumonic and tuberculosis).  Conclusions: Parapneumonic effusions was the most prevalent cause of pleural effusion in a general reference hospital. Dyspnea was the main symptom among several etiologies without statistical difference. The data contrast with previously published reports, possibly due to differences in the hospital´s care system.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Epidemiología]]></kwd>
<kwd lng="es"><![CDATA[etiología]]></kwd>
<kwd lng="es"><![CDATA[derrame pleural]]></kwd>
<kwd lng="es"><![CDATA[toracocentesis]]></kwd>
<kwd lng="es"><![CDATA[paraneumónico]]></kwd>
<kwd lng="es"><![CDATA[cáncer]]></kwd>
<kwd lng="en"><![CDATA[Epidemiology]]></kwd>
<kwd lng="en"><![CDATA[etiology]]></kwd>
<kwd lng="en"><![CDATA[pleural effusion]]></kwd>
<kwd lng="en"><![CDATA[thoracentesis]]></kwd>
<kwd lng="en"><![CDATA[parapneumonic]]></kwd>
<kwd lng="en"><![CDATA[cancer]]></kwd>
</kwd-group>
</article-meta>
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