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目的:探讨经骶尾部入路分段治疗复杂性肛瘘的临床价值.方法:采用随机对照实验的方法,将60例内口在后方的高位肛瘘随机分成治疗组(30例)和对照组(30例).观察两组患者的治愈率、后遗症以及术后疼痛指标进行对照比较.结果:两组患者近期治愈率均达到100％,但远期比较中,实验组有1例复发,对照组有2例复发;术后疼痛有显著差异(P＜0.05).结论:两种方法均取得满意的疗效,但治疗组在保护肛门功能、提高患者生活质量方面均优于对照组,故经骶尾部入路分段治疗复杂性肛瘘值得临床推广.“,”Objective:To investigate the clinical value of transsacral block in the treatment of complicated anal fistula.Methods:A randomized controlled trials,60cases of high anal fistula that had rear internal open were randomly divided into treatment group (30cases) and controlled group (30cases).To observe the cure rate,sequelae and postoperative pain index of the two groups of patients.Results:The short-term cure rate of the two groups was 100％,but in the long term,the experimental group had 1cases.The controlled group had 2cases.Postoperative pain was significantly different (P＜0.05).Conclusion:The two methods have achieved satisfactory curative effect,but the treatment group is better than the controlled group in the anus protection function,and can improve the quality of life of patients,and it's worthy of clinical promotion.