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Case Reports
. 2008 Sep;19(5):809-12.

Gastrointestinal Angiodysplasia in Chronic Renal Failure

  • PMID: 18711303
Free article
Case Reports

Gastrointestinal Angiodysplasia in Chronic Renal Failure

H Kaaroud et al. Saudi J Kidney Dis Transpl. .
Free article


Gastrointestinal (GI) hemorrhage is a frequent and sometimes life-threatening complication of end-stage renal failure. Angiodysplasia (AD), vascular malformation, is the most common cause of recurrent lower-intestinal hemorrhage in patients with renal failure. We report four chronic hemodialysis patients with AD. All patients presented with severe anemia requiring transfusion. GI hemorrhage ceased spontaneously in three cases and after treatment with argon plasma coagulation in another. Diagnosis of AD is usually challenging, since its cause is still unknown, and its clinical presentation is variable. Lesions are multiple in 40-75% of cases, often located in the stomach and duodenum but can affect the colon and the jejunum. Diagnosis is improved by endoscopy which has a much higher sensitivity compared to angiography. Capsular endoscopy may reveal the hemorrhage site in the small intestine when regular endoscopy fails, and therapeutic intervention usually include argon plasma coagulation.

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