<?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>0026-1742</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina (México)]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. Med. (Méx.)]]></abbrev-journal-title>
<issn>0026-1742</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0026-17422017000100023</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síndrome abdominal agudo por trombosis venosa mesentérica y portal. Informe de un caso y revisión del tema]]></article-title>
<article-title xml:lang="en"><![CDATA[Acute abdominal pain due to portal and mesenteric venous thrombosis. Case report and topic review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trejo Ávila]]></surname>
<given-names><![CDATA[Mario Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arce Liévano]]></surname>
<given-names><![CDATA[Elisafat]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cuendis Velázquez]]></surname>
<given-names><![CDATA[Adolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero Loera]]></surname>
<given-names><![CDATA[Luz Sujey]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General "Dr. Manuel Gea González"  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General &#8220;Dr. Manuel Gea González&#8221;  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital General &#8220;Dr. Manuel Gea González&#8221;  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<volume>60</volume>
<numero>1</numero>
<fpage>23</fpage>
<lpage>27</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0026-17422017000100023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0026-17422017000100023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0026-17422017000100023&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen   Introducción:  La isquemia mesenterica se clasifica, según su etiología, en: embolismo arterial, trombosis arterial patologías no oclusivas y trombosis venosa mesenterica (TVM), que es la causa de laparotomía exploradora en 1 de cada 1000 pacientes con síndrome abdominal agudo. Es más común entre la quinta y la sexta décadas de la vida.   Caso clínico:  Masculino de 31 años de edad, afroamericano, sin antecedentes médicos. Con dolor abdominal generalizado de 72 horas de evolución. Con signos positivos de irritación peritoneal. La tomografia con defecto de llenado en vena mesenterica superior, vena esplénica y vena porta. Se realizó laparotomía de urgencia que requirió resección intestinal por necrosis de yeyuno. Se realizaron estudios hematológicos, oncológicos y autoinmunes sin hallazgos positivos.   Discusión: Latrombosis venosa por lo regulares secundaria a síndromes de hipercoagulabilidad o neoplasias. La presentación clínica es inespecífica. En cuanto a los estudios de imagen que se pueden solicitar: ultrasonido, tomografia o resonancia magnética y angiografia percutánea con catéter. Las principales opciones terapéuticas para la isquemia mesenterica aguda son: el tratamiento endovascular, la revascularización quirúrgica, la anticoagulación y laparotomía exploradora en caso de complicaciones viscerales.   Conclusión:  Aunque es una patología poco frecuente, el médico debe estar familiarizado con su fisiopatologia, diagnóstico y las principales alternativas terapéuticas que hay para ella.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract   Background:  Four common causes of mesenteric ischemia identified: arterial embolism, arterial thrombosis, non-occlusive pathologies and mesenteric venous thrombosis (MVT). MVT is an uncommon cause of acute abdominal pain and accounts for 1 in 1000 emergency surgical laparotomies for acute abdomen.   Case Presentation:  A 31 year old male, previously healthy, with 72 hour history of generalized abdominal pain on examination with signs of peritonitis. He underwent a computed tomographic (CT) scan of the abdomen and pelvis, which demonstrated thrombosis of the portal, splenic and superior mesenteric veins. A laparotomy was performed, we found jejunal necrosis and a bowel resection was required. Hematologic, oncologic and autoimmune studies were performed and all of them were negative.   Discussion:  Venous thrombosis is almost always secondary to other pathologies. The principle ones are: hypercoagulability and occult neoplasia. The clinical presentation is non-specific. To make a diagnosis one can use: a Doppler ultrasound, a CT angiography, a magnetic resonance and a catheter angiography. The available treatments for acute mesenteric ischemia are: endovascular procedures, bypass surgery, anticoagulation and a laparotomy to treat visceral complications.  Conclusion: Even if this is an uncommon pathology, physicians need to be aware of pathophysiology, diagnosis and treatment of acute mesenteric ischemia.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Síndrome abdominal agudo]]></kwd>
<kwd lng="es"><![CDATA[isquemia mesentérica]]></kwd>
<kwd lng="es"><![CDATA[trombosis venosa mesenterica]]></kwd>
<kwd lng="es"><![CDATA[trombosis portal]]></kwd>
<kwd lng="en"><![CDATA[Acute abdominal pain]]></kwd>
<kwd lng="en"><![CDATA[mesenteric ischemia]]></kwd>
<kwd lng="en"><![CDATA[mesenteric venous thrombosis]]></kwd>
<kwd lng="en"><![CDATA[portal thrombosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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