<?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>0120-9957</journal-id>
<journal-title><![CDATA[Revista colombiana de Gastroenterología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. Gastroenterol.]]></abbrev-journal-title>
<issn>0120-9957</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Gastroenterología  ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-99572025000100104</article-id>
<article-id pub-id-type="doi">10.22516/25007440.1208</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Association Between Ulcerative Colitis and Pulmonary Embolism: A Case Report]]></article-title>
<article-title xml:lang="es"><![CDATA[Asociación entre colitis ulcerativa y embolia pulmonar: caso clínico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rozo,]]></surname>
<given-names><![CDATA[Edwar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barón]]></surname>
<given-names><![CDATA[Javier O.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[Ledmar Jovanny]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Briceño-Díaz]]></surname>
<given-names><![CDATA[Karina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Gómez]]></surname>
<given-names><![CDATA[Dania Fabiola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario San Rafael  ]]></institution>
<addr-line><![CDATA[Tunja ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Boyacá  ]]></institution>
<addr-line><![CDATA[Tunja ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Boyacá  ]]></institution>
<addr-line><![CDATA[Tunja ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Tecnológica y Pedagógica de Colombia  ]]></institution>
<addr-line><![CDATA[Tunja ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2025</year>
</pub-date>
<volume>40</volume>
<numero>1</numero>
<fpage>104</fpage>
<lpage>109</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572025000100104&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572025000100104&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572025000100104&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Inflammatory bowel diseases (IBD) include Crohn&#8217;s disease (CD) and ulcerative colitis (UC), conditions that primarily affect the intestines but can sometimes lead to extraintestinal complications such as venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE).  Case Report: A 39-year-old woman was admitted with a 12-hour history of left-sided chest pain radiating to the ipsilateral scapular region, worsened by breathing and positional changes. She reported a prior episode of deep vein thrombosis in her right leg. Laboratory tests revealed microcytic hypochromic anemia and thrombocytosis. Imaging studies showed findings suggestive of pulmonary infarction, with a CT pulmonary angiogram confirming a thrombus at the segmental branch of the right lower lobe, accompanied by right-sided pleural effusion and atelectasis. Further evaluation for anemia, including a colonoscopy, revealed acute-phase pancolitis with minimal bleeding. An autoimmune panel was negative. Treatment was initiated with anticoagulation, mesalazine, and methylprednisolone.  Conclusions: Thromboembolic complications occur in approximately 1% to 8% of patients presenting with active inflammatory bowel disease and are associated with increased morbidity and mortality. The underlying pathophysiological mechanisms likely involve a hypercoagulable state, platelet aggregation, impaired fibrinolysis, and genetic predisposition. Identifying risk factors and implementing appropriate therapeutic measures are crucial to preventing future thromboembolic events. The preferred prophylactic anticoagulation therapy is low-molecular-weight heparin, which is recommended for hospitalized patients at high risk during active disease phases.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: Las enfermedades intestinales inflamatorias (EII) incluyen la enfermedad de Crohn (EC) y la colitis ulcerosa (CU), patologías que afectan principalmente al intestino y en algunos casos pueden generar complicaciones extraintestinales como la tromboembolia venosa (TEV), ya sea trombosis venosa profunda o embolia pulmonar.  Caso clínico: Es una mujer de 39 años que ingresó con un cuadro clínico de 12 horas de evolución consistente en dolor en zona torácica izquierda irradiado a la región escapular ipsilateral que se exacerba con la respiración y los cambios de posición, refirió un antecedente de trombosis venosa profunda en la pierna derecha. Los paraclínicos indicaron anemia microcítica hipocrómica y trombocitosis con imagen sugestiva de infarto pulmonar, angio-TAC con trombo a nivel del ramo segmentario lobar inferior derecho, derrame pleural derecho y atelectasia. Se indicó el estudio de anemia con colonoscopia, que reportó una pancolitis ulcerativa en fase aguda con escaso sangrado, y perfil inmunológico resultó negativo. Se inició el manejo con anticoagulante más mesalazina y metilprednisolona.  Conclusiones: Las complicaciones tromboembólicas tienen una prevalencia estimada de 1% a 8% en los pacientes que debutan con enfermedad de intestino irritable en fase activa y, por su parte, la embolia pulmonar incrementa la morbimortalidad. Los eventos fisiopatológicos posiblemente involucrados incluyen estado de hipercoagulabilidad, agregación plaquetaria, falla en la fibrinólisis inadecuada y condiciones genéticas. Es fundamental identificar los factores de riesgo e implementar medidas terapéuticas para prevenir futuros eventos tromboembólicos. La terapia tromboembólica profiláctica de elección es la heparina de bajo peso molecular y está recomendada en pacientes con alto riesgo que se encuentren hospitalizados en fase activa de la enfermedad.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Ulcerative colitis]]></kwd>
<kwd lng="en"><![CDATA[pulmonary embolism]]></kwd>
<kwd lng="en"><![CDATA[inflammatory bowel disease]]></kwd>
<kwd lng="en"><![CDATA[inflammation]]></kwd>
<kwd lng="en"><![CDATA[coagulation]]></kwd>
<kwd lng="es"><![CDATA[Colitis ulcerosa]]></kwd>
<kwd lng="es"><![CDATA[embolia pulmonar]]></kwd>
<kwd lng="es"><![CDATA[enfermedad inflamatoria intestinal]]></kwd>
<kwd lng="es"><![CDATA[inflamación]]></kwd>
<kwd lng="es"><![CDATA[coagulación]]></kwd>
</kwd-group>
</article-meta>
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</name>
<name>
<surname><![CDATA[Jairath]]></surname>
<given-names><![CDATA[V]]></given-names>
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<name>
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<given-names><![CDATA[N]]></given-names>
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<name>
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<given-names><![CDATA[S]]></given-names>
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<article-title xml:lang=""><![CDATA[Thrombosis in inflammatory bowel disease: Are we tailoring prophylaxis to those most at risk?]]></article-title>
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</article>
