<?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>S2444-64832022000300070</article-id>
<article-id pub-id-type="doi">10.24875/end.23000002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Hallazgos endoscópicos en pacientes con hemorragia de tubo digestivo alto y bajo en un hospital de segundo nivel]]></article-title>
<article-title xml:lang="en"><![CDATA[Endoscopic findings in patients with upper and lower gastrointestinal bleeding in second-level hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Jerónimo]]></surname>
<given-names><![CDATA[Julia M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matadamas-Zárate]]></surname>
<given-names><![CDATA[Cuauhtémoc]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cárdenas-Morales]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Azcona-Cruz]]></surname>
<given-names><![CDATA[M. Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matadamas-Hernández]]></surname>
<given-names><![CDATA[Julio C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado Hospital Regional Presidente Juárez Servicio de Endoscopia]]></institution>
<addr-line><![CDATA[Oaxaca ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Benito Juárez de Oaxaca Facultad de Medicina y Cirugía ]]></institution>
<addr-line><![CDATA[Oaxaca ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>34</volume>
<numero>3</numero>
<fpage>70</fpage>
<lpage>73</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-64832022000300070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-64832022000300070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-64832022000300070&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La hemorragia digestiva es la pérdida de sangre que se origina en el tubo digestivo.  Objetivo: Describir los hallazgos endoscópicos en pacientes evaluados por hemorragia de tubo digestivo alto (HTDA) y bajo (HTDB) en un hospital de segundo nivel del Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado (ISSSTE) en Oaxaca, México.  Método: Durante 3.5 años se realizaron 4285 esofagogastroduodenoscopias y colonoscopias.  Resultados: De 778 solicitudes, el 74.5% fueron por HTDA y el 25.5% por HTDB. Las causas más frecuentes de HTDA no variceal fueron úlcera péptica (19%) y gastropatía erosiva (15%), y las de HTDA variceal fueron varices esofágicas (23%) y gastropatía hipertensiva (13%). Las causas más frecuentes de HTDB fueron hemorroides (53.5%) y divertículos (18.5%).  Conclusiones: Los hallazgos endoscópicos más frecuentes en los pacientes evaluados endoscópicamente por HTDA fueron úlcera péptica, gastropatía erosiva y varices esofágicas, mientras que para los pacientes evaluados por HTDB fueron hemorroides y divertículos del colon.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Gastrointestinal bleeding is blood loss that originates in the digestive tract.  Objective: To describe the endoscopic findings in patients evaluated for upper (UGIB) and lower (LGIB) gastrointestinal bleeding that was performed in a second-level care hospital of the ISSSTE in the Mexican state of Oaxaca.  Method: For 3.5 years, 4285 esophagogastroduodenoscopies and colonoscopies were performed.  Results: The results of 778 requests are as follows: 74.5% were diagnosed with UGIB and 25.5% with LGIB. The most frequent causes of non-variceal UGIB are peptic ulcer (19%) and erosive gastropathy (15%), and for the variceal UGIB were esophageal varices (23%) and hypertensive gastropathy (13%). In the case of LGIB, the most common causes were hemorrhoids (53.5%) and diverticula (18.5%).  Conclusions: According to the findings observed in patients evaluated endoscopically, the most common causes for UGIB were peptic ulcer, erosive gastropathy, and esophageal varices; while for patients diagnosed with LGIB, they were hemorrhoids and colonic diverticula.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hemorragia de tubo digestivo]]></kwd>
<kwd lng="es"><![CDATA[Hemorragia de tubo digestivo alto]]></kwd>
<kwd lng="es"><![CDATA[Hemorragia de tubo digestivo bajo]]></kwd>
<kwd lng="en"><![CDATA[Gastrointestinal bleeding]]></kwd>
<kwd lng="en"><![CDATA[Upper gastrointestinal bleeding]]></kwd>
<kwd lng="en"><![CDATA[Lower gastrointestinal bleeding]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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