<?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>S0028-37462017000300267</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Neumopericardio a tensión en trauma cerrado de tórax por efecto Macklin. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Tension pneumopericardium after blunt chest trauma by Macklin effect. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Ospina]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Careaga-Reyna]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lezama-Urtecho]]></surname>
<given-names><![CDATA[Carlos Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quispe-Fernández]]></surname>
<given-names><![CDATA[Luis Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Médico Nacional UMAE Hospital General &#8220;Dr. Gaudencio González Garza&#8221; ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</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>267</fpage>
<lpage>270</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0028-37462017000300267&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0028-37462017000300267&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0028-37462017000300267&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El neumopericardio es la presencia de aire en el espacio pericárdico, siendo una entidad infrecuente de causa multifactorial. El diagnóstico se hace por estudios de imagen. Por lo general es autolimitado, pero potencialmente mortal si evoluciona a taponamiento cardíaco. Aunque hay pocos casos reportados en la literatura y uno postraumático, creemos que el efecto Macklin como causa de neumopericardio sin neumomediastino está subdiagnosticado y podría estar presente en los casos espontáneos. Se describe el caso de una paciente con neumopericardio a tensión postraumático como resultado del efecto Macklin con tratamiento toracoscópico exitoso.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abastract Pneumopericardium is the presence of air inside the pericardial cavity, a rare entity which has multifactorial etiology. It is diagnosed through imaging studies. It&#8217;s usually a self-limited disease but potentially mortal if it evolves to a cardiac tamponade condition. Even though there are only a few reported cases in scientific literature and only one of which are post traumatic; we believe that there&#8217;s an underdiagnosis of the Macklin effect a cause of pneumopericardium without pneumomediastinum, and that it could also be present in spontaneous cases. We describe a posttraumatic tension pneumopericardium case as a result of the Macklin effect, treated successfully with thoracoscopy.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Efecto Macklin]]></kwd>
<kwd lng="es"><![CDATA[neumopericardio]]></kwd>
<kwd lng="es"><![CDATA[taponamiento cardíaco]]></kwd>
<kwd lng="es"><![CDATA[toracoscopia]]></kwd>
<kwd lng="es"><![CDATA[trauma cerrado de tórax]]></kwd>
<kwd lng="en"><![CDATA[Macklin effect]]></kwd>
<kwd lng="en"><![CDATA[pneumopericardium]]></kwd>
<kwd lng="en"><![CDATA[cardiac taponade]]></kwd>
<kwd lng="en"><![CDATA[thoracoscopy]]></kwd>
<kwd lng="en"><![CDATA[blunt chest trauma.]]></kwd>
</kwd-group>
</article-meta>
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