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目的：对应用Proximate吻合器行30例低位直肠癌切除术的疗效进行了分析及总结。方法：采用直径为29～33cm的Proximate吻合器行肿瘤切除后保肛低位吻合术。术后随访3～28个月。结果：30例一次吻合成功率100％。1例因术后发生盆腔血肿，需剖腹行血肿清除。5例术后大便次数增多。无吻合日漏、吻合口狭窄、肛门括约肌功能受损及肿瘤复发的病例。结论；应用吻合器行低位直肠癌保肛手术，是一种有价值、安全、有效的手术方式。
Objective: To analyze and summarize the efficacy of 30 cases of low rectal cancer resection using Proximate stapler. Methods: Proximate stapler with diameter of 29～33cm was used to perform anastomosis and low anastomosis after tumor resection. Followed up for 3 to 28 months. Results: In 30 cases, the success rate of anastomosis was 100%. One patient had pelvic hematoma due to postoperative hematoma removal. The number of stools increased in 5 cases. There were no cases of anastomotic leakage, anastomotic stenosis, impaired anal sphincter function, and tumor recurrence. Conclusion: The use of stapler for sphincter preserving surgery for rectal cancer is a valuable, safe and effective surgical method.