Angiodysplasia of the Colon

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Abstract
• From October 1977 through December 1982, 24 patients with lower gastrointestinal tract hemorrhage were diagnosed by visceral angiography as having angiodysplasia of the colon. Seventeen of them underwent surgery for definitive treatment of their hemorrhage. Five patients had lesions on both sides of the colon, and five had coagulation disorders. Three of the 17 patients with lesions isolated to the cecum underwent right hemicolectomy. The rest underwent subtotal colectomy with ileoproctostomy. No patient had recurrent or persistent bleeding. There were three deaths in the subtotal colectomy group (21%); coagulation disorders contributed to two of them. Subtotal colectomy was universally successful in controlling bleeding but had a significant mortality in these elderly patients. Coagulopathy, especially platelet disorders, was a significant risk factor with this diagnosis. A coagulation panel, including platelet function, should be part of the preoperative assessment. (Arch Surg 1984;119:532-536)

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