Prevention of Recurrent Lower Gastrointestinal Hemorrhage

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.