Treatment of intestinal necrosis, caused by an acute mesenterial ischemia, represents the most complex field of surgery. Results of surgical treatment of 74 patients with various forms of mesenterial ischemia, complicated by intestinal infarction, were analyzed. Revascularization ought to be conducted if the ischemia may be eliminated. High frequency of anastomotic sutures insufficiency is noted in performance of primary resection of intestine. Syndrome of the polyorgan dysfunction constitutes the main cause of death in patients after the operation.