缺血性肠炎(ischemic colitis,IC)是由于各种原因使肠壁血流灌注不良,引起缺血性肠道损害,是肠壁营养障碍的一种综合征[1]。本病病因复杂,肠系膜动脉硬化狭窄或闭塞是本病最常见的病因,以老年人多见,其他病因及各种诱发因素可促使或加重本病的发生。本文拟将缺血性肠炎的发病因 Ischemic colitis (IC) is due to various reasons, poor perfusion of intestinal wall, causing ischemic intestinal damage, is a syndrome of intestinal wall dysfunction [1]. The etiology of the disease is complicated, the narrow or occlusion of mesenteric atherosclerosis is the most common cause of the disease, more common in the elderly, other causes and a variety of predisposing factors can promote or exacerbate the occurrence of the disease. This article intends to be the cause of ischemic enteritis