title: On the pathogenesis of acute ischemic proctitis.
authors: Ahmed
authors: A
authors: Shafik
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003113:Colonoscopy; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007511:Ischemia / Q000150:complications / Q000175:diagnosis / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D011349:Proctitis / Q000150:complications / Q000175:diagnosis / Q000601:surgery*; D016737:Proctocolectomy, Restorative / Q000379:methods*; D012007:Rectum / Q000098:blood supply* / Q000601:surgery