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缺血性结肠炎是继发于结肠壁循环障碍而产生的一种疾患,是结肠缺氧再加上机械因素(肠腔内压力增高)和感染等所致。一般将缺血性结肠炎分为坏疽性和非坏疽性二种。坏疽性者由于结肠大块梗死而病情严重,患者呈休克状态,并有肠穿孔和腹膜炎征象,需紧急手术,钡剂灌肠或结肠镜检查应属禁忌。非坏疽性者缺氧仅引起粘膜、粘膜下层和偶尔肌层的损害,临床症状相应较轻,只有结肠炎和直肠出血征象,愈合后可有或无后遗症,对此类病例可行钡剂灌肠和结肠镜检查。作者等在1973～1979年共见22例非坏疽性缺血性结肠炎,男性15例,女性7例;年龄20～74岁,平均56岁。均有明确的症状,皆经钡剂灌肠和结肠镜检查。22例中14例根据临床、X线和结肠镜可以确诊,2例误诊为结肠癌,1例误诊为肠息肉,另5例同结肠Crohn病
Ischemic colitis is a disorder secondary to the circulatory disturbance of the colon wall, which is caused by hypoxia in the colon combined with mechanical factors (increased pressure in the intestine) and infections. Ischemic colitis is generally divided into two kinds of gangrenous and non-gangrenous. Patients with anthrax due to massive colon infarction and a serious condition, the patient was shocked, and intestinal perforation and signs of peritonitis, urgent surgery, barium enema or colonoscopy should be taboo. Non-gangrenous hypoxia caused only mucosal, submucosal and occasional myometrial damage, the clinical symptoms of mild, only colitis and rectal bleeding signs may or may not have sequelae after healing, such cases feasible barium enema and Colonoscopy. In 1973-1979, 22 patients with non-gangrenous ischemic colitis were common, including 15 males and 7 females; the average age was 56 years (range, 20-74 years). Have clear symptoms, all by barium enema and colonoscopy. Of the 22 cases, 14 were diagnosed clinically, with X-rays and colonoscopy, 2 were misdiagnosed as colon cancer, 1 were misdiagnosed as intestinal polyps, and 5 were with Crohn’s disease