目的 探讨肛门内括约肌部分切断术治疗肛裂的临床疗效.方法 选取肛裂患者100例,随机分为观察组与对照组各50例,观察组给予肛裂切除术与肛门内括约肌部分切断术,对照组仅给予肛裂切除术.记录两组患者VAS疼痛指数、服用止痛药曲马多的剂量、伤口愈合时间、肛门形态与功能.结果 两组患者全部治愈,均未发生肛门失禁,在伤口愈合时间上差异无统计学意义(P＞0.05)；观察组术后VAS疼痛指数及服用止痛药的剂量显著优于对照组(P＜0.01).结论 肛门内括约肌部分切断术治疗肛裂疗效显著,值得推广.%Objective To study the effects of lateral partial internal sphincterotomy in the treatment of anal fissure. Methods One hundred patients with anal fissure were randomly divided into the observation group (SO patients) and the control group (SO patients). Anal fissure resection and lateral partial internal sphincterotomy was performed in the observation group, whole anal fissure resection alone was given in the control group. Then the VAS painindex of all patients, tramadol dose, wound healing time, anus formation, and function were recorded. Results All the patients were cured, with no anal incontinence. No statistically significant difference was found in wound healing time between the two groups (P>0.05). The VAS pain index and painkillers dose of the observation group after operation was significantly better than that of the control group (P<0.01). Conclusion Lateral partial internal sphincteroto-my has curative effect in anal fissure, which is worthy to be popularized.
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