近年来,随着双吻合器的应用,直肠癌保肛手术比率增高。但直肠癌患者多为老年病人,多合并高血压、糖尿病等基础疾病,保肛手术创伤较大,术后吻合口漏发生率较高。我科于2004年2月至2006年2月,选择部分年老,基础疾病多,病程较晚的患者行直肠癌低位前切除双吻合器吻合,预防性回肠末 In recent years, with the application of double stapling, anal sphincter preservation surgery increased. However, patients with rectal cancer mostly elderly patients, and more complicated with hypertension, diabetes and other underlying diseases, anal sphincter injury, a higher incidence of anastomotic leakage. Our department in February 2004 to February 2006, select part of the elderly, basic diseases, patients with late disease line resection of low rectal cancer double stapling anastomosis, prophylactic ileum