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【目的】探讨改良直肠低位双吻合技术在中低位直肠癌中应用的临床疗效。【方法】选取本院收治的中低位直肠癌行腹腔镜下直肠癌根治加直肠低位双吻合术患者90例，采用随机数字表法分为改良组和对照组，每组各45例。改良组采用肠-肠“端-角”吻合的改良直肠低位双吻合术，对照采用常规操作。观察两组患者手术时间、术中出血量、治疗费用，以及吻合成功率、吻合口出血、吻合口瘘、吻合口狭窄的发生率和术后6个月控便能力。【结果】改良组和对照组术中出血量和吻合成功率比较，差异无显著性(P >0.05)；改良组手术时间显著低于对照组(P 0.05)，改良组吻合口瘘发生率显著低于对照组(P 0.05)。【结论】改良后的直肠低位双吻合方法在中低位直肠癌行腹腔镜下直肠癌根治术中应用，可有效缩短手术时间和降低吻合口瘘等并发症的发生率，值得临床推荐。“,”Objective]To investigate the curative effect of modified double stapling technique in laparoscopic assisted radical resection for colorectal cancer.[Method]Ninety cases of patients with colorectal cancer undergoing laparoscopic assisted radical resection and double stapling technique were divided into modified group and control group,45 cases in each group.The modified group was conducted with gut-gut“side-corner”double low rectal an-astomosis and the control group received routine operation.The operation time,bleeding amount,treatment fees, anastomosis success rate,anastomotic stoma bleeding,anastomotic stoma leakage,anastomotic stoma stricture occurrence rate and bowel control 6 months after treatment were recorded.[Results]There was no significant difference between bleeding amount,and anastomosis success rate of the two groups (P >0.05),while the opera-tion time of the modified group was significantly lower than that of the control group(P 0.05),while anastomotic fistula occurrence rate of the modified group was significantly lower than that of the control group (P 0.05 ).[Conclusion]The improved double stapling technique in laparo-scopic assisted radical resection for colorectal cancercan effectively reduce the incidence of surgical time and compli-cations such as anastomotic leakage,and be worthy of recommendation.