<?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>1817-5996</journal-id>
<journal-title><![CDATA[Revista Cubana de Reumatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cuba Reumatol]]></abbrev-journal-title>
<issn>1817-5996</issn>
<publisher>
<publisher-name><![CDATA[Editorial CIMEQ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1817-59962022000200004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Variación estacional de la hemorragia digestiva alta]]></article-title>
<article-title xml:lang="en"><![CDATA[Seasonal variation of upper gastrointestinal bleeding]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mellado Herrera]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mellado Soler]]></surname>
<given-names><![CDATA[Javier de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Hospital Miguel Enríquez Facultad de Ciencias Médicas Miguel Enríquez]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<volume>24</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1817-59962022000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1817-59962022000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1817-59962022000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La hemorragia digestiva alta representa una de las causas más frecuentes de morbilidad y mortalidad en los servicios de cirugía general y específicamente es la primera causa de mortalidad en el servicio, por lo que constituye una emergencia médico-quirúrgica.  Objetivo:  Identificar la existencia de un patrón estacional en la incidencia de hemorragia digestiva alta en época invernal y estimar la frecuencia de algunos factores de riesgo de esta enfermedad.  Métodos:  Se realizó un estudio descriptivo, de series temporales, de pacientes afectados por esa enfermedad que acudieron al Hospital Dr. Miguel Enríquez en el periodo comprendido entre diciembre de 2017 y enero de 2020. La muestra quedó conformada por 151 pacientes que presentaron como diagnóstico de ingreso hemorragia digestiva alta.  Resultados:  Predominó el sexo masculino y los mayores de 60 años. La temporada de mayor incidencia de esta complicación digestiva fue la invernal (diciembre, enero y febrero). Los factores de riesgo que predominaron fueron los hábitos tóxicos y la ingestión de AINES y ASA. La forma de presentación más frecuente fue la melena y la principal etiología la úlcera péptica duodenal.  Conclusiones:  Los casos con hemorragia digestiva alta predominaron en la temporada invernal y los factores de riesgo más frecuentes fueron los hábitos tóxicos y el uso de AINES en relación con el periodo estacional.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The High Digestive Hemorrhage represents one of the most frequent causes of morbidity and mortality in the General Surgery Services and it is specifically the first cause of mortality in our service. It constitutes a very frequent medical-surgical emergency.  Objective:  To determine the existence of a seasonal pattern in the incidence of HDA in winter and its relationship with risk factors.  Methods:  A descriptive and retrospective study was carried out with a longitudinal design in which patients affected by HDA were studied. These patients were assisted at &#8220;Dr. Miguel Enriquez Hospital&#8221; between December 2017 and January 2020. The study group was composed of all the patients who came to our emergency services with manifestations of bleeding from the upper digestive tract. The sample was made up of 151 patients who presented a diagnosis of HDA at the time of their admission.  Results:  The predominant sex was male and the age over 60 years old. The season with the highest incidence of this digestive complication was winter (December, January and February). The risk factors that predominated in our study were toxic habits and ingestion of AINES, ASA. The predominant form of presentation of the HDA were tarry stools, being the Duodenal Peptic Ulcer the main etiology.  Conclusions:  Cases with Upper Digestive Bleeding predominated in the winter season and the most frequent risk factors were toxic habits and the use of NSAIDs in relation to the seasonal period.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[hemorragia digestiva alta]]></kwd>
<kwd lng="es"><![CDATA[hematemesis]]></kwd>
<kwd lng="es"><![CDATA[melenemesis]]></kwd>
<kwd lng="es"><![CDATA[melena]]></kwd>
<kwd lng="es"><![CDATA[hematoquecia]]></kwd>
<kwd lng="en"><![CDATA[upper digestive hemorrhage]]></kwd>
<kwd lng="en"><![CDATA[hematemesis]]></kwd>
<kwd lng="en"><![CDATA[melenemesis]]></kwd>
<kwd lng="en"><![CDATA[tarry stools]]></kwd>
<kwd lng="en"><![CDATA[hematochezia]]></kwd>
</kwd-group>
</article-meta>
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