[Intraoperative prophylaxis of peritonitis in descending intestine necrosis after sphincter salvaging surgery for rectal cancer].

The broad introduction in surgical practice of sphincterpreserving operations for cancer recti with the colon descending to the perineum, apart from incontestable advantages had caused the occurrence of such severe complication as the necrosis of the descended intestine. The possibility of peritonitis occurrence due to the descended intestine necrosis is reduced while her isolation during an operation performance, delimination of free abdominal cavity from the small pelvis cavity.