<?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>S2444-64832019000600031</article-id>
<article-id pub-id-type="doi">10.24875/end.m19000046</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estratificación de riesgo en pacientes con hemorragia digestiva baja en México: utilidad de puntuación SHA2PE]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Galván]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Jiménez]]></surname>
<given-names><![CDATA[María Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Balanzá-López]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Olivos]]></surname>
<given-names><![CDATA[Nancy Edith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-Mendoza]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Médica Sur Departamento de Endoscopia Gastrointestinal ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Médica Sur Departamento de Gastroenterología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>31</volume>
<fpage>31</fpage>
<lpage>35</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-64832019000600031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-64832019000600031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-64832019000600031&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción y objetivo: La hemorragia digestiva baja (HDB) tiene menos prevalencia que la hemorragia digestiva alta (HDA), pero posee mayor mortalidad y estancia hospitalaria. A diferencia de HDA, en HDB hay múltiples escalas predicción de severidad, pero no se adecuan a todas las poblaciones. El objetivo de este estudio es determinar la utilidad de las escalas de estratificación de riesgo en pacientes con HDB para predicción de sangrado severo en nuestra población.  Material y métodos: Estudio retrospectivo, observacional, incluye a pacientes con HDB en el hospital Médica Sur, de Enero 2016 a Mayo 2019, mayores de 18 años con expediente completo y se excluyen a pacientes con antecedente de cáncer colorrectal o enfermedad inflamatoria intestinal. Se recolectaron datos demográficos, clínicos y laboratorios en urgencias, así como el cálculo de escalas de estratificación de riesgo para cada uno de los pacientes. Se utilizó estadística descriptiva (pruebas paramétricas y no paramétricas de acuerdo con el tipo de variable) y se determinó el área bajo la curva (ABC) para sangrado severo en escalas de estratificación, se consideró diferencia significativa p&lt;0.05.  Resultados: En total fueron 181 pacientes, 21% tuvieron sangrado severo, 23.2% transfusión, 2.8% resangrado, 2.2% angiografía, 10.5% ingresó a terapia intensiva (UTI) y 6.1% requirió reingreso hospitalario. Ninguno paciente necesitó cirugía ó falleció hospitalizado. Entre las 10 escalas evaluadas, solo SHA2PE tuvo un ABC &gt;0.80 para predicción de sangrado severo, resangrado, transfusión, angiografía e ingreso a UTI.  Conclusión: La escala SHA2PE tiene una adecuada predicción para sangrado severo en pacientes con HDB.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background and aims: Lower gastrointestinal bleeding (LGIB) has a lower prevalence than upper gastrointestinal bleeding (UGIB), but has higher mortality and length of stay. Unlike UGIB, in LGIB there are multiple severity prediction scales, but they are not suitable for all populations. The aim of this study is to determine the usefulness of the scores of risk stratification in patients with LGIB for predicting severe bleeding in our population.  Material and methods: Retrospective, observational study included patients over 18 years old with LGIB at a single center between January 2016 to May 2019, patients with a history of colorectal cancer or inflammatory bowel disease are excluded. Demographic, clinical and laboratory data were collected in the emergency department, as well as the calculation of risk stratification scales for each of the patients. Descriptive statistics were used, significant difference p &lt;0.05 was considered. Area under the receiver operating characteristic curve (AUC) analysis was used to compare the scores.  Results: A total of 181 patients, 21% had severe bleeding, 23.2% transfusion, 2.8% rebleed, 2.2% angiography, 10.5% were admitted to intensive care (ICU) and 6.1% required hospital readmission. No patient required surgery or died in hospital. Among the 10 score evaluated, only SHA2PE had an AUC&gt; 0.80 for predicting severe bleeding, rebleeding, transfusion, angiography and admission to ICU.  Conclusion: SHA2PE score has adequate prediction for severe bleeding in patients with LGIB.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sangrado tubo digestivo bajo]]></kwd>
<kwd lng="es"><![CDATA[Estratificación riesgo]]></kwd>
<kwd lng="es"><![CDATA[Escala SHA2PE]]></kwd>
<kwd lng="en"><![CDATA[Lower Gastrointestinal bleeding]]></kwd>
<kwd lng="en"><![CDATA[Risk Stratification]]></kwd>
<kwd lng="en"><![CDATA[SHA2PE score]]></kwd>
</kwd-group>
</article-meta>
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