Abstract: Objective To examine the effect of continuous irrigation and drainage through self-made double pelvic drainage tube in treatment of anastomotic fistula for reference in clinical research.Methods The self-made double pelvic drainage tube was positioned in advance under the anastomotic to prevent fistula in patients undergoing laparoscopic low anterior resection.Timely and continuous irrigated the pelvic when the fistula happened.The observation mainly included fluids,quantity,clinical symptom,the time of fistula and recovery.Results Under the continuous irrigation and drainage through self-made double pelvic drainage tube,9 of 198 patients after laparoscopic low anterior resection all recovered.Compared with the conventional intervention,the method shortened the healing time of fistula,and the mortality decreased.Conclusion The continuous irrigation and drainage through self-made double pelvic drainage tube in treatment of anastomotic fistula is effective and economical.But,there is still lacking of support by randomized controlled trial.

Key words: rectal neoplasms, anastomotic leak, therapeutic irrigation