缺血性结肠炎(ischem ic colitis,IC)是由于各种原因引起的肠壁血流减少导致某段结肠壁血液供应不足或回流受阻的缺血性损害,使肠壁营养障碍的一种综合征。其早期病变局限于粘膜层和粘膜下层,临床表现有腹痛、便血及腹泻,严重者可导致肠坏死、穿孔、腹膜炎及感染性休克,是下消 Ischemic colitis (IC) is a combination of dystrophic bowel disorders caused by a decrease in intestinal wall blood flow due to a variety of causes leading to inadequate blood supply to a section of the colon wall or obstruction of reflux Levy Its early lesions confined to the mucosa and submucosa, clinical manifestations of abdominal pain, blood in the stool and diarrhea, severe cases can cause intestinal necrosis, perforation, peritonitis and septic shock, is down