<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032023000100032</article-id>
<article-id pub-id-type="doi">10.35366/109018</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Quiloperitoneo incidental asociado a hernia interna en pacientes postoperados de bypass gástrico en Y de Roux]]></article-title>
<article-title xml:lang="en"><![CDATA[Incidental chyloperitoneum associated with internal hernia in post Roux-en-Y gastric bypass patients]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Myers Esmenjaud]]></surname>
<given-names><![CDATA[Jorge Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Blanco Vargas]]></surname>
<given-names><![CDATA[Jorge Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado Vázquez]]></surname>
<given-names><![CDATA[María Angélica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo González]]></surname>
<given-names><![CDATA[Federico Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad La Salle Hospital Angeles Pedregal Facultad Mexicana de Medicina]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Angeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Angeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Angeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital Angeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<fpage>32</fpage>
<lpage>35</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032023000100032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032023000100032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032023000100032&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  el quiloperitoneo es una complicación extremadamente rara y poco reportada del bypass gástrico en Y de Roux (BGYR). Es la presencia de un líquido lechoso, con alto contenido graso (triglicéridos &gt; 110 mg/dL), secundario a obstrucción y pérdida del flujo linfático.  Material y métodos:  este artículo reporta cinco casos de pacientes operados BGYR por laparoscopia que fueron reoperados por sospecha de obstrucción intestinal, y en quienes se encontró quiloperitoneo como hallazgo intraoperatorio.  Resultados:  la presencia de hernia interna por defecto en el espacio yeyunal se encontró en los cinco pacientes. El resultado del examen citoquímico del líquido libre encontrado durante la cirugía confirmó el diagnóstico de quiloperitoneo. El diagnóstico se asoció a presentación obstructiva en todos los pacientes, resolviéndose con la reducción de la hernia y corrección del defecto mesentérico.  Conclusión:  el quiloperitoneo es una complicación rara en pacientes con hernia interna con BGYR, con pocos casos reportados en la literatura. Aunque se considera una complicación poco común, puede ser un indicador de hernias internas cuando el diagnóstico no es concluyente y bien puede resolverse durante la laparoscopia diagnóstica reduciendo la hernia interna y cerrando el defecto del mesenterio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  chyloperitoneum is an infrequent and under-reported complication of Roux-en-Y gastric bypass (RYGB). It is the presence of a milky liquid with a high-fat content (triglycerides &gt; 110 mg/dL), secondary to obstruction and loss of lymphatic flow.  Material and methods:  this article reports five cases of patients undergoing RYGB by laparoscopy who were reoperated for suspected intestinal obstruction and in whom chyloperitoneum was found as an intraoperative finding.  Results:  the presence of an internal hernia by a defect in the jejunal space was found in the five patients. The result of the cytochemical examination of free fluid found during diagnostic surgery for chyloperitoneum. The diagnosis was associated with an obstructive presentation in all patients, resolving with the reduction of the hernia and correction of the mesenteric defect.  Conclusion:  chyloperitoneum is a rare complication in patients with internal hernia with RYGB, with few cases reported in the literature. Although it is considered a rare complication, it can indicate internal hernias when the diagnosis is inconclusive. It may well be resolved during diagnostic laparoscopy by reducing the internal hernia and closing the mesenteric defect.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[quiloperitoneo]]></kwd>
<kwd lng="es"><![CDATA[ascitis quilosa]]></kwd>
<kwd lng="es"><![CDATA[bypass gástrico en Y de Roux]]></kwd>
<kwd lng="es"><![CDATA[hernia interna]]></kwd>
<kwd lng="en"><![CDATA[chyloperitoneum]]></kwd>
<kwd lng="en"><![CDATA[chylous ascites]]></kwd>
<kwd lng="en"><![CDATA[Roux-en-Y gastric bypass]]></kwd>
<kwd lng="en"><![CDATA[internal hernia]]></kwd>
</kwd-group>
</article-meta>
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