早期的局部缺血性肠炎肠绒毛近距离检查。通常,肠很难由于动脉粥样硬化血管狭窄或血栓栓塞而发生梗死,因为有广泛吻合支存在。大多数肠局部缺血和梗死的病例,是由于血压过低和心输出量降低引起的。
On closer inspection, early ischemic enteritis involves the tips of the villi. In general, bowel is hard to infarct from atherosclerotic vascular narrowing or thromboembolization because of the widely anastomosing blood supply. Thus, most cases of bowel ischemia and infarction result from generalized hypotension and decreased cardiac output.