<?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>0016-3813</journal-id>
<journal-title><![CDATA[Gaceta médica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Méd. Méx]]></abbrev-journal-title>
<issn>0016-3813</issn>
<publisher>
<publisher-name><![CDATA[Academia Nacional de Medicina de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-38132021000500491</article-id>
<article-id pub-id-type="doi">10.24875/gmm.21000050</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Dispepsia en niños: ¿orgánica o funcional? Experiencia en un hospital de tercer nivel]]></article-title>
<article-title xml:lang="en"><![CDATA[Dyspepsia in children: Organic or functional? Experience in a tertiary care hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toro-Monjaraz]]></surname>
<given-names><![CDATA[Erick M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ignorosa-Arellano]]></surname>
<given-names><![CDATA[Karen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Raya-Aguirre]]></surname>
<given-names><![CDATA[Karen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loredo-Mayer]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cervantes-Bustamante]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zárate-Mondragón]]></surname>
<given-names><![CDATA[Flora]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cadena-León]]></surname>
<given-names><![CDATA[Jose]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Mayans]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Pediatría Departamento de Gastroenterologia y Nutrición Pediátrica ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<volume>157</volume>
<numero>5</numero>
<fpage>491</fpage>
<lpage>496</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132021000500491&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132021000500491&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132021000500491&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La dispepsia consiste en un conjunto de síntomas que pueden tener origen orgánico o funcional. El objetivo de este estudio fue describir las principales causas de la dispepsia y su evolución clínica en niños en un hospital de tercer nivel.  Material y métodos: Estudio retrospectivo en niños con dispepsia. Los pacientes fueron sometidos a endoscopia con toma de biopsia y prueba de urea rápida para Helicobacter pylori. En caso de endoscopia y biopsia normal, se tomó prueba de hidrogeniones en aliento. En todos los casos se dio seguimiento para evaluar la mejoría de síntomas.  Resultados: Se incluyeron 100 niños, de los cuales 52 eran niñas; la edad media fue de 8.59 años. Se encontró esofagitis y gastropatía erosiva en el 54% de los casos (n = 54), infección por H. pylori en el 12% (n = 12), sobrecrecimiento bacteriano del intestino delgado en el 12% (n = 12) y dispepsia funcional en el 20% (n = 20).  Conclusión: En niños con dispepsia se deben de descartar primero causas orgánicas antes de diagnosticar dispepsia funcional. En términos generales consideramos que es necesario un abordaje escalonado que incluya endoscopia con toma de biopsia, búsqueda de H. pylori y una prueba de hidrogeniones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Dyspepsia comprises a group of symptoms that can either have an organic cause or functional origin. The purpose of this study was to describe the main causes of dyspepsia and the its clinical evolution in children cared for in a tertiary care hospital.  Material and methods: Retrospective study in children with dyspepsia. Patients underwent endoscopy and rapid urease test to detect the presence of Helicobacter pylori. In case of normal endoscopy and biopsy, hydrogen breath test was performed. In all cases, follow-up was provided in order to evaluate symptom improvement.  Results: One hundred children were included, out of whom 52 were girls; mean age was 8.59 years. Esophagitis or erosive gastropathy were found in 54% of the cases (n = 54). H. pylori infection in 12% (n = 12), small intestine bacterial overgrowth in 12% (n = 12), and functional dyspepsia in 20% (n = 20).  Conclusion: In children with dyspepsia, organic causes should first be ruled out before dyspepsia being characterized as functional. In general terms, we consider that a stepped approach that includes endoscopy with biopsy, search for H. pylori and hydrogen breath test is necessary.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Dispepsia]]></kwd>
<kwd lng="es"><![CDATA[Dolor abdominal crónico]]></kwd>
<kwd lng="es"><![CDATA[Niños]]></kwd>
<kwd lng="es"><![CDATA[Sobrecrecimiento bacteriano del intestino delgado]]></kwd>
<kwd lng="en"><![CDATA[Dyspepsia]]></kwd>
<kwd lng="en"><![CDATA[Chronic abdominal pain]]></kwd>
<kwd lng="en"><![CDATA[Children]]></kwd>
<kwd lng="en"><![CDATA[Small intestinal bacterial overgrowth]]></kwd>
</kwd-group>
</article-meta>
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