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目的：无肛舟状窝瘘术式改良及疗效评价。方法：随机分为两组：采用直肠末端旋转术并得到随访１０２例；采用传统术式治疗者为对照组并随访４８例，其中骶会阴、尾路肛门成形术２０例，瘘后移肛门成形术２８例。结果：直肠末端旋转术优９７例，良５例。优良率９５％，并发症５％。对照组：优３３例、良６例、差９例、治愈率６８８％，并发症３１２％。两组有极显著性差异（Ｐ＜０００１）。结论：直肠末端旋转术解除了直肠回缩、瘘复发的发病基础，避免了并发症的发生，已向全国多家医院推广使用。
Objective: To improve the non-anal boat-shaped fistula and evaluate its curative effect. Methods: The patients were randomly divided into two groups: rectal terminal rotation and follow-up were performed in 102 cases. Conventional surgical treatment was used as the control group and 48 cases were followed up. Among them, sacral perineal and caudal anoplasty were performed in 20 cases, Surgery in 28 cases. Results: Rectal distal rotation was excellent in 97 cases and good in 5 cases. Excellent rate of 95%, 5% complication. The control group: excellent in 33 cases, good in 6 cases, poor in 9 cases, the cure rate was 68.8% and the complications were 31.2%. There was a significant difference between the two groups (P <0001). Conclusion: Rectal terminal revascularization relieves rectal retraction, the basis of the incidence of recurrence of fistula and avoids the occurrence of complications. It has been widely used in many hospitals across the country.