急性下消化道出血的发生率虽然明显低于急性上消化道出血 ,但其出血病因及部位的诊断往往比较困难 ,有些病例甚至手术时仍不能确诊 ,造成术后再出血 ,处理非常棘手。 1998年 8月以来 ,我科与消化内科配合 ,采用术中介入内镜检查 9例患者 ,全部明确诊断 ,并进行了相应治疗 ,获得 Although the incidence of acute lower gastrointestinal bleeding is significantly lower than acute upper gastrointestinal bleeding, but the diagnosis of bleeding causes and parts are often more difficult, and some cases even surgery can not be diagnosed, resulting in postoperative bleeding, the treatment is very tricky. Since August 1998, our department and digestive medicine, with intraoperative interventional endoscopy 9 patients, all clear diagnosis, and the corresponding treatment, access to