<?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>S0016-38132020000600502</article-id>
<article-id pub-id-type="doi">10.24875/gmm.20005607</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Riesgo de resangrado en hemorragia digestiva alta según la escala de Glasgow-Blatchford: herramienta de triaje]]></article-title>
<article-title xml:lang="en"><![CDATA[Upper gastrointestinal hemorrhage re-bleeding risk according to the Glasgow-Blatchford scale: a triage tool]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivarec-Bonilla]]></surname>
<given-names><![CDATA[Miroslava]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Montano]]></surname>
<given-names><![CDATA[Anaidt M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Arellano]]></surname>
<given-names><![CDATA[Armando]]></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 ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de Morelos Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>156</volume>
<numero>6</numero>
<fpage>502</fpage>
<lpage>508</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132020000600502&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132020000600502&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132020000600502&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: Con la escala de Glasgow-Blatchford (EG-B) se califica mediante datos clínicos, el riesgo de resangrado después de hemorragia del tubo digestivo alto (HTDA); y con las escalas de Forrest y Dagradi, mediante endoscopia.  Objetivo: Evaluar la capacidad de la EG-B para identificar riesgo de resangrado a 30 días después de una HTDA; el estándar de oro de comparación fue la endoscopia.  Método: Se analizaron 129 expedientes de pacientes con HTDA y endoscopia. Se cuantificaron las escalas de Glasgow-Blatchford, Forrest y Dagradi; se calculó sensibilidad, especificidad y área bajo la curva ROC (ABC-ROC) del riesgo de resangrado reportado por EG-B.  Resultados: La EG-B identificó a 53 pacientes con riesgo bajo de resangrado (41.09 %) y 76 con riesgo alto (58.91 %). Con la endoscopia se identificó a 107 pacientes con hemorragia no variceal (82.94 %), 98 con riesgo bajo (89.9 %) y 11 con riesgo alto (10.09 %); además, 22 pacientes con hemorragia variceal (17.05 %), 12 con riesgo bajo (54.54 %) y 10 con riesgo alto (45.45 %). La EG-B mostró sensibilidad de 0.857, especificidad de 0.462 y ABC-ROC de 0.660.  Conclusiones: La EG-B es sencilla, objetiva y útil para identificar riesgo de resangrado después de HTDA; se sugiere como herramienta de triaje en urgencias.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: The Glasgow-Blatchford scale (GBS) classifies the risk of re-bleeding after upper gastrointestinal bleeding (UGIB) using clinical data, whereas the Forrest and Dagradi scales do it by endoscopy.  Objective: To assess GBS’s ability to identify re-bleeding risk within 30 days of an UGIB, using endoscopy as the gold standard for comparison.  Method: 129 medical records of patients with UGIB and endoscopy were analyzed. The Glasgow-Blatchford, Forrest and Dagradi scales were quantified; sensitivity, specificity and area under the ROC curve (AUC-ROC) of GBS-reported re-bleeding risk were calculated.  Results: GBS identified 53 patients with low re-bleeding risk (41.09 %) and 76 with high risk (58.91 %). Endoscopy identified 107 patients with non-variceal bleeding (82.94 %): 98 with low risk (89.9 %) and 11 with high risk (10.09 %); in addition, it identified 22 patients with variceal hemorrhage (17.05 %): 12 with low risk (54.54 %) and 10 with high risk (45.45 %). GBS showed a sensitivity of 0.857, specificity of 0.462 and an AUC-ROC of 0.660.  Conclusions: GBS is simple, objective and useful to identify the risk of re-bleeding after UGIB; it is suggested as a triage tool in the emergency department.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hemorragia digestiva alta]]></kwd>
<kwd lng="es"><![CDATA[Riesgo de resangrado]]></kwd>
<kwd lng="es"><![CDATA[Endoscopia]]></kwd>
<kwd lng="es"><![CDATA[Escala de Glasgow-Blatchford]]></kwd>
<kwd lng="es"><![CDATA[Escala de Forrest]]></kwd>
<kwd lng="es"><![CDATA[Escala de Dagradi]]></kwd>
<kwd lng="en"><![CDATA[Upper gastrointestinal hemorrhage]]></kwd>
<kwd lng="en"><![CDATA[Re-bleeding risk]]></kwd>
<kwd lng="en"><![CDATA[Endoscopy]]></kwd>
<kwd lng="en"><![CDATA[Glasgow-Blatchford scale]]></kwd>
<kwd lng="en"><![CDATA[Forrest scale]]></kwd>
<kwd lng="en"><![CDATA[Dagradi scale]]></kwd>
</kwd-group>
</article-meta>
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