随着低位直肠癌保肛手术疗效逐渐被临床所公认和肯定 ,学者们研究出了多种保肛手术方法。作为低位直肠癌保肛手术后最常见并发症之一的吻合口瘘 ,临床效果仍不尽人意。自 1996年 10月以来 ,作者应用三腔管经肛门置入肠腔作为对 19例低位直肠癌保肛手术后吻合口瘘的防治方法 ,取 As the efficacy of sphincter preserving surgery for rectal cancer has gradually been recognized and affirmed by clinicians, scholars have developed a variety of sphincter preserving procedures. As an anastomosis fistula, one of the most common complications after anus-preserving surgery for low rectal cancer, the clinical effect is still unsatisfactory. Since October 1996, the authors applied a three-lumen tube through the anus into the intestine as an approach to prevent and treat anastomotic leakage after low sphincter preservation surgery for 19 cases of low rectal cancer.