This article summarizes current knowledge regarding the incidence of and risk factors associated with recurrent lower gastrointestinal hemorrhage. The literature regarding medical, endoscopic, and surgical methods to prevent rebleeding from diverticulosis, angioectasia, and chronic hemorrhagic radiation proctopathy is reviewed. In addition, the evidence for endoscopic clipping as primary prophylaxis against postpolypectomy bleeding is explored.
Keywords: Angioectasia; Chronic hemorrhagic radiation proctopathy; Diverticular bleeding; Endoscopic therapy; Lower GI bleeding; Postpolypectomy bleeding; Prevention of recurrent LGIB.
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