<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2019000400450</article-id>
<article-id pub-id-type="doi">10.24875/ciru.18000737</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Colitis ulcerosa crónica idiopática: epidemiología, características clínicas y factores asociados al tratamiento quirúrgico en un hospital de tercer nivel en México]]></article-title>
<article-title xml:lang="en"><![CDATA[Ulcerative colitis: epidemiology, clinical features and associated factors with surgical treatment in a tertiary hospital in Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Rendón]]></surname>
<given-names><![CDATA[Jorge L. de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Bobadilla]]></surname>
<given-names><![CDATA[Billy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Pérez]]></surname>
<given-names><![CDATA[Raquel Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gracida-Mancilla]]></surname>
<given-names><![CDATA[Noé I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alarcón-Bernés]]></surname>
<given-names><![CDATA[Lisbeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva Herrero]]></surname>
<given-names><![CDATA[Juan A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General de México Dr. Eduardo Liceaga Servicio de Coloproctología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General de México Dr. Eduardo Liceaga Servicio de Gastroenterología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital General de México Dr. Eduardo Liceaga Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>87</volume>
<numero>4</numero>
<fpage>450</fpage>
<lpage>458</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2019000400450&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2019000400450&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2019000400450&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: Se tiene evidencia de un aumento en la incidencia de la colitis ulcerosa crónica idiopática (CUCI) en México, pero varía según el Estado e incluso entre hospitales de una misma región. Es importante conocer las características clínicas de los pacientes con CUCI, su curso clínico, necesidad de tratamiento quirúrgico y desenlaces.  Objetivo: Describir las características demográficas y clínicas de los pacientes con CUCI, enfatizando en los factores asociados a la necesidad de tratamiento quirúrgico.  Método: Estudio retrospectivo que incluyó 60 pacientes con diagnóstico de CUCI confirmado por histopatología. Se colectaron los datos demográficos, clínicos y bioquímicos de cada paciente. La gravedad se midió con la escala de Truelove y Witts, la escala endoscópica de Mayo y el índice histológico de Riley.  Resultados: Se incluyeron 30 hombres y 30 mujeres. La media de edad fue de 40.6 ± 13.3 años. La extensión de la enfermedad fue proctitis en el 61.7%. Diecinueve pacientes (31.8%) presentaron manifestaciones extraintestinales. El 55% tenían como tratamiento único ácido 5-aminosalicílico. Catorce pacientes (23.3%) requirieron tratamiento quirúrgico, principalmente por falta de respuesta al tratamiento médico.  Conclusiones: Las características clínicas de la CUCI son útiles para identificar a los pacientes que pudieran presentar una evolución tórpida de la enfermedad y requerir tratamiento quirúrgico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: An increase incidence of ulcerative colitis (UC) has been reported in Mexico. It is important to know the clinical features of patients with UC, their clinical course, need for surgical treatment and outcomes.  Objective: To describe the demographic and clinical features of patients with UC, emphasizing the factors associated with the need for surgical treatment.  Method: A retrospective, cross-sectional, analytical study was made which included 60 patients with diagnosis of UC confirmed by histopathology. The demographic, clinical and biochemical data of each patient will be collected. The severity was measured based on the Truelove and Witts scale, endoscopic Mayo score and Riley histological index.  Results: Of the patients included, the proportion was equal between men and women. The mean age of presentation was 40.6 ± 13.3 years. The extent of the disease at the time of diagnosis was proctitis in the majority of patients (61.7%). Nineteen patients (31.8%) presented extraintestinal manifestations. 55% of the patients had as sole treatment 5-aminosalicylates. Fourteen patients (23.3%) required surgical treatment mainly due to lack of response to medical treatment.  Conclusions: The clinical features of UC are useful to identify patients who may present a torpid evolution of the disease and who may require surgical treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Colitis ulcerosa crónica idiopática]]></kwd>
<kwd lng="es"><![CDATA[Colon]]></kwd>
<kwd lng="es"><![CDATA[Enfermedad inflamatoria intestinal]]></kwd>
<kwd lng="es"><![CDATA[Epidemiología]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[Colon]]></kwd>
<kwd lng="en"><![CDATA[Epidemiology]]></kwd>
<kwd lng="en"><![CDATA[Inflammatory bowel disease]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
<kwd lng="en"><![CDATA[Ulcerative colitis]]></kwd>
</kwd-group>
</article-meta>
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