Congenital portosystemic shunt carries risks of severe complications in children. Closure of a shunt persisting after age 2 years should be considered preventively. Intrahepatic portal flux restoration can be expected, even when intrahepatic portal veins are extremely hypoplastic or undetectable.
Presentación de casos clínicos RESUMENLas malformaciones vasculares intestinales, en especial las del colon derecho, son causa frecuente de sangrado digestivo en adultos mayores, pero son raras en pediatría. Se pueden manifestar como hemorragia aguda, obstrucción intestinal o como anemia crónica de etiología incierta; esta es la presentación más frecuente, pero también la de mayor dificultad diagnóstica y terapéutica. Se presenta un niño de 11 años, que ingresó por Guardia con vómitos, dolor abdominal y descompensación hemodinámica, que requirió expansión y transfusión sanguínea. Entre sus antecedentes, figuraban episodios recurrentes de hemorragia intestinal baja desde los primeros años de vida, con estudios endoscópicos y centellograma Tc99 normales e historia de anemia persistente, a pesar del tratamiento. En la última internación, con la videocolonoscopía, se logró identificar una malformación venosa intestinal en la zona ileocecal. La angiografía digital y la enterotomografía multislice resultaron de suma utilidad en el proceso diagnóstico y en la elección de la conducta quirúrgica. Palabras clave: hemorragia gastrointestinal, malformación vascular. ABSTRACTIntestinal vascular malformations, especially those in the right colon, are a frequent cause of lower gastrointestinal bleeding in adults, but they are a very rare condition in children. Symptoms include acute hemorrhage, intestinal obstruction, or chronic anemia of uncertain etiology, which is the most frequent form of presentation but the most difficult to diagnose and thus properly treat. We report the case of an 11 year old boy admitted to the Emergency Room with abdominal pain, vomits, hemodynamic decompensation, who required expansion and blood transfusion. With history of recurrent bloody stools since infancy with repeated normal endoscopies and Tc99 scintigraphy with chronic anemia and no improvement despite adequate treatment. In the last admission, the videocolonoscopy detected Malformación vascular venosa intestinal: una rara causa de hemorragia digestiva en pediatría. Presentación de un casoIntestinal venous vascular malformation: Unusual etiology of gastrointestinal bleeding in pediatrics. Case report a venous vascular malformation in the ileocecal region. The angiography and the entero multislice computer tomography scanner were valuable tools to confirm the diagnosis and to select the appropriate surgical procedure for this rare condition.
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