<?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>S1870-72032025000200103</article-id>
<article-id pub-id-type="doi">10.35366/119470</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Comparación de volumen de contenido gástrico obtenido por ultrasonografía y endoscopia]]></article-title>
<article-title xml:lang="en"><![CDATA[Comparison of volume of gastric content obtained by ultrasonography and endoscopy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Monroy]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras Rivera]]></surname>
<given-names><![CDATA[Michel Emilio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Hernández]]></surname>
<given-names><![CDATA[Luis Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bracho Blanchet]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores Mariñelarena]]></surname>
<given-names><![CDATA[Rodrigo Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Monroy]]></surname>
<given-names><![CDATA[Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Portela Ortiz]]></surname>
<given-names><![CDATA[José Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Angeles Pedregal Departamento de Anestesiología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Angeles Pedregal Departamento de Pediatría ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Médica Sur Departamento de Medicina interna ]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital ABC de Santa Fe Departamento de Cirugía plástica ]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>23</volume>
<numero>2</numero>
<fpage>103</fpage>
<lpage>108</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032025000200103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032025000200103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032025000200103&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la aspiración de contenido gástrico es una complicación grave de la anestesia. El identificar pacientes en riesgo es un pilar de la práctica anestésica segura utilizando nuevas herramientas para cumplir con lo anterior como la valoración de contenido gástrico por ultrasonido.  Material y métodos:  estudio prospectivo en el que se evaluó por dos ultrasonografistas independientes el volumen de contenido gástrico y posteriormente se midió el volumen aspirado por gastroscopia en pacientes con endoscopia electiva. Se realizó un índice de &#954; ponderado para valorar la variabilidad interobservador, posteriormente se correlacionó el volumen promedio obtenido de ambos ultrasonografistas con el volumen aspirado por endoscopia.  Resultados:  se evaluó el contenido gástrico por ultrasonido de 58 pacientes programados para endoscopia encontrando un índice de &#954; ponderado de 0.7377 entre ambos ultrasonografistas. Se encontró una correlación del 0.977 entre el promedio de ambos ultrasonografistas y el volumen aspirado por endoscopia.  Conclusiones:  la medición de contenido gástrico por ultrasonido tiene una buena correlación con lo aspirado en endoscopia, confirmándolo al ultrasonido como una herramienta más dentro de la valoración preanestésica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  aspiration of gastric contents is a serious complication of anesthesia. Identifying patients at risk is a pillar of safe anesthetic practice using new tools to comply with the above, such as the assessment of gastric contents by ultrasound.  Material and methods:  prospective study in which the volume of gastric contents was evaluated by two independent ultrasonographers and the volume aspirated by gastroscopy was subsequently measured in patients with elective endoscopy. A weighted &#954; index was performed to assess interobserver variability; subsequently, the average volume obtained from both ultrasonographers was correlated with the volume aspirated by endoscopy.  Results:  gastric content was evaluated by ultrasound in 58 patients scheduled for endoscopy, finding a weighted &#954; index of 0.7377 between both ultrasonographers. A correlation of 0.977 was found between the average of both ultrasonographers and the volume aspirated by endoscopy.  Conclusions:  the measurement of gastric content by ultrasound has a good correlation with what is aspirated in endoscopy, confirming ultrasound as another tool within the pre-anesthetic assessment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ultrasonografía en el sitio de atención]]></kwd>
<kwd lng="es"><![CDATA[volumen de contenido gástrico]]></kwd>
<kwd lng="es"><![CDATA[valoración preanestésica]]></kwd>
<kwd lng="es"><![CDATA[ayuno preoperatorio]]></kwd>
<kwd lng="es"><![CDATA[estomago de riesgo]]></kwd>
<kwd lng="en"><![CDATA[point of care ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[gastric volume]]></kwd>
<kwd lng="en"><![CDATA[pre-anesthetic assessment]]></kwd>
<kwd lng="en"><![CDATA[preoperative fasting]]></kwd>
<kwd lng="en"><![CDATA[at-risk stomach]]></kwd>
</kwd-group>
</article-meta>
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