<?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>S0120-99572026000100083</article-id>
<article-id pub-id-type="doi">10.22516/25007440.1352</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Severe Anemia Secondary to Trichuris trichiura Hyperinfestation: The Critical Role of Endoscopic Evaluation]]></article-title>
<article-title xml:lang="es"><![CDATA[Anemia severa secundaria a hiperinfestación por tricocéfalos: el rol clave de los estudios endoscópicos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Pérez]]></surname>
<given-names><![CDATA[David Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tovio-Almanza]]></surname>
<given-names><![CDATA[Wilmer Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinto-Angarita]]></surname>
<given-names><![CDATA[Jean Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olaya-Villarreal]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yepes-Caro]]></surname>
<given-names><![CDATA[Jorge Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Del Risco]]></surname>
<given-names><![CDATA[Fernando Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Caldas  ]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Cartagena  ]]></institution>
<addr-line><![CDATA[Cartagena ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Universitario del Caribe  ]]></institution>
<addr-line><![CDATA[Cartagena ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<volume>41</volume>
<numero>1</numero>
<fpage>83</fpage>
<lpage>88</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572026000100083&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572026000100083&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572026000100083&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Intestinal parasitic infection caused by Trichuris trichiura represents a significant public health concern in socioeconomically disadvantaged regions, where inadequate sanitation infrastructure and limited health education facilitate transmission. A case is presented involving a 35-year-old woman with severe hypochromic microcytic anemia (hemoglobin 6.2 g/dL), associated with gastrointestinal symptoms and signs of hemodynamic instability. Stool examination revealed T. trichiura ova, and colonoscopy demonstrated multiple filiform structures causing mucosal erosions throughout the colon, extending from the rectum to the distal ileum. Treatment consisted of albendazole 400 mg daily for three days, red blood cell transfusions, and iron supplementation, resulting in clinical improvement and hemodynamic stabilization. This case underscores the importance of considering T. trichiura infection in the differential diagnosis of anemia and highlights the relevance of multidisciplinary approaches integrating nutritional interventions, health education, and community-based control measures to interrupt transmission cycles and reduce associated morbidity.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La parasitosis intestinal por Trichuris trichiura constituye un problema de salud pública en áreas con recursos socioeconómicos limitados, donde la falta de saneamiento básico y la educación sanitaria inadecuada favorecen su transmisión. Presentamos el caso de una mujer de 35 años con anemia microcítica hipocrómica grave (hemoglobina de 6,2 g/dL), asociada a síntomas gastrointestinales y signos de inestabilidad hemodinámica. El coprológico mostró huevos de T. trichiura, y la colonoscopia reveló múltiples estructuras filiformes que producían erosiones en la mucosa colónica desde el recto hasta el íleon distal. El tratamiento incluyó albendazol 400 mg diarios por tres días, transfusiones de concentrados eritrocitarios y suplementación con hierro, con lo que se logró la mejoría clínica y estabilización hemodinámica. Este caso enfatiza la necesidad de considerar la infección por T. trichiura en el diagnóstico diferencial de anemia, así como la relevancia de adoptar enfoques multidisciplinarios que abarquen intervenciones nutricionales, educación sanitaria y medidas de control comunitarias para romper el ciclo de transmisión y reducir la morbilidad asociada.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Trichuris trichiura]]></kwd>
<kwd lng="en"><![CDATA[iron-deficiency anemia]]></kwd>
<kwd lng="en"><![CDATA[intestinal parasitoses]]></kwd>
<kwd lng="en"><![CDATA[colonoscopy]]></kwd>
<kwd lng="en"><![CDATA[albendazole]]></kwd>
<kwd lng="es"><![CDATA[Trichuris trichiura]]></kwd>
<kwd lng="es"><![CDATA[anemia ferropénica]]></kwd>
<kwd lng="es"><![CDATA[parasitosis intestinales]]></kwd>
<kwd lng="es"><![CDATA[colonoscopia]]></kwd>
<kwd lng="es"><![CDATA[albendazol]]></kwd>
</kwd-group>
</article-meta>
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