目的阐述缺血性结肠炎的临床特征,以减少误诊。方法对22例患者的临床经过及辅助检查进行总结。结果本病多发于中年人,多有心脑血管疾病、糖尿病等,很可能是本病的诱发因素,其早期表现为腹泻、便血、腹痛。确诊需结肠镜检查。主要应用抗生素、血管扩张剂和支持治疗,多数预后较好。结论早期使用结肠镜进行确诊是转归和避免误诊的基本方法。 Objective To describe the clinical features of ischemic colitis to reduce misdiagnosis. Methods Twenty-two patients underwent clinical and auxiliary examinations. Results The disease occurred in middle-aged people, and more cardiovascular disease, diabetes, may be the predisposing factor for the disease, its early manifestations of diarrhea, blood in the stool, abdominal pain. Confirmed colonoscopy. The main application of antibiotics, vasodilators and supportive care, the majority of the prognosis is good. Conclusion The early diagnosis of colonoscopy is the basic method of prognosis and misdiagnosis.