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  • Title: Colorectal variceal bleeding in patients with extrahepatic portal vein thrombosis and idiopathic portal hypertension.
    Author: Orozco H, Takahashi T, Mercado MA, Prado-Orozco E, Ferral H, Hernandez-Ortiz J, Esquivel E.
    Journal: J Clin Gastroenterol; 1992 Mar; 14(2):139-43. PubMed ID: 1556427.
    Abstract:
    We report three patients with colonic variceal bleeding secondary to portal hypertension, 0.5% of all cases with hemorrhagic portal hypertension studied by us in the last 16 years. One patient had idiopathic portal hypertension, and the others had extrahepatic portal vein thrombosis. Colonic varices were documented in all three cases by angiogram; large arteriovenous fistulas in the territory of the superior mesenteric artery and between the inferior mesenteric artery and hemorrhoidal veins were demonstrated in one patient. Two patients underwent colonoscopy; colonic varices were seen in only one. Two patients also had bled from esophagogastric varices. One patient underwent descending colon and sigmoid resection after failure to control bleeding with ligation of arterial supply; one patient underwent the Sugiura procedure, plus transanal ligation of hemorrhoids and rectal varices. At 3 months, 2 years, and 4 years of follow-up, the patients were in good general condition without any evidence of rebleeding.
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