<?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>2444-6483</journal-id>
<journal-title><![CDATA[Endoscopia]]></journal-title>
<abbrev-journal-title><![CDATA[Endoscopia]]></abbrev-journal-title>
<issn>2444-6483</issn>
<publisher>
<publisher-name><![CDATA[Asociación Mexicana de Endoscopia Gastrointestinal A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-64832025000200043</article-id>
<article-id pub-id-type="doi">10.24875/end.25000005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Asociación de divertículos periampulares con canulación difícil. Experiencia en centro hospitalario de segundo nivel]]></article-title>
<article-title xml:lang="en"><![CDATA[Association of periampullary diverticulum with difficult cannulation. Experience in a second level hospital center]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Che-Cantun]]></surname>
<given-names><![CDATA[Guadalupe del C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Macías-Ángeles]]></surname>
<given-names><![CDATA[Yuridia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamorano-Orozco]]></surname>
<given-names><![CDATA[Yolanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Meneses-Parga]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Munguía-Guízar]]></surname>
<given-names><![CDATA[Monserrat Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega-Tecuatl]]></surname>
<given-names><![CDATA[Jorge A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital General Regional #1 Dr. Carlos MacGregor Sánchez Navarro Departamento de Endoscopia Gastrointestinal]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></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>37</volume>
<numero>2</numero>
<fpage>43</fpage>
<lpage>47</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-64832025000200043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-64832025000200043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-64832025000200043&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La colangiopancreatografía retrógrada endoscópica (CPRE) presenta una prevalencia de divertículos duodenales (DD) de aproximadamente el 5-30%, asociándose a canulación difícil y complicaciones.  Objetivo: Describir la prevalencia de DD en pacientes sometidos a CPRE en el Hospital Regional #1 Dr. Carlos MacGregor Sánchez Navarro.  Objetivos secundarios: reportar el tipo de divertículo más frecuente, correlación entre canulación difícil, exitosa o fallida y divertículo, y las complicaciones asociadas.  Método: Se realizó un estudio ambispectivo, transversal, con inclusión de pacientes sometidos a CPRE en el Departamento de Endoscopia del Hospital Regional #1 Dr. Carlos MacGregor Sánchez Navarro, en el periodo de enero de 2022 a mayo de 2024, al analizar pacientes con divertículos periampulares, y relación con CPRE exitosa o fallida y complicaciones asociadas a esta.  Resultados: Se incluyeron un total de 1,327 estudios realizados en el periodo previamente descrito. Se halló una prevalencia del 8.6% de DD, el 62.3% fueron mujeres, edad media de 71.1 años, el divertículo más frecuente fue el de tipo III (38.6%). Se encontró asociación entre la CPRE fallida y el divertículo tipo IA (p = 0.003), en el análisis de correlación se obtuvo un coeficiente r: 0.036 (p = 0.006), una asociación fuerte; sin embargo, para el tipo de divertículo y canulación difícil no existió asociación (p = 0.224) ni correlación (p = 0.400).  Conclusiones: La prevalencia de DD concuerda con lo reportado en la literatura, se encontró asociación fuerte entre CPRE fallida y divertículo tipo IA, pero no asociación ni correlación entre tipo de divertículo y canulación difícil o aumento en complicaciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: In endoscopic retrograde cholangiopancreatography (ERCP), the prevalence of duodenal diverticulum (DD) is approximately 5-30%, associated with difficult cannulation and a greater number of complications.  Objective: Describe the prevalence of DD in patients undergoing ERCP at Regional Hospital #1 Dr. Carlos MacGregor Sánchez Navarro. Secondary objectives: report the most common type of diverticulum, correlation between difficult, successful or failed cannulation and diverticulum, as well as associated complications.  Method: An ambispective, cross-sectional study was carried out, including patients undergoing ERCP in the Endoscopy Department of Regional Hospital #1 Dr. Carlos MacGregor Sánchez Navarro, from the period from January 2022 to May 2024, when analyzing patients with periampullary diverticula, and the relationship with successful or failed ERCP and complications associated with it.  Results: A total of 1,327 studies carried out in the previously described period were included, finding a DD prevalence of 8.6%; 62.3% were women, with a mean age of 71.1 years, the most frequent diverticulum was type III (38.6%). An association was found between failed ERCP and type IA diverticulum (p = 0.003), in the correlation analysis a coefficient r: 0.036 was obtained (p = 0.006), a strong association; however, for the type of diverticulum and difficult cannulation there was no association (p = 0.224) or correlation (p = 0.400).  Conclusions: The prevalence of duodenal diverticulum agrees with that reported in the literature, a strong association was found between failed ERCP and type IA diverticulum, but no association or correlation between type of diverticulum and difficult cannulation or complications.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Divertículo duodenal]]></kwd>
<kwd lng="es"><![CDATA[Canulación difícil]]></kwd>
<kwd lng="es"><![CDATA[CPRE fallida]]></kwd>
<kwd lng="en"><![CDATA[Duodenal diverticulum]]></kwd>
<kwd lng="en"><![CDATA[Difficult cannulation]]></kwd>
<kwd lng="en"><![CDATA[Failed ERCP]]></kwd>
</kwd-group>
</article-meta>
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