后正中位切断部分括约肌治疗慢性肛裂150例疗效观察

The Procedure of Partial Incision of Internal and External Sphincters at Posterior Median Position in Treatment of 150 Cases of Chronic Anal Fissures

采用后正中位切断部分内外括约肌治疗复杂性肛裂150例，治愈率100％。术后随访0．5～6年，未见复发和后遗症。该术式具有消除痉挛，解除痛苦，坚固后方组织，保持肛门原形的作用。

This article adopted the partial incision of internal and external sphincters at posterior median position in patients with anal fissures. The 150 cases of chronic anal fissure underwent this surgery procedure,without recurrences or/and sequelae after follow-up of 0. 5-6 years. This operation procedure was proved to be effective in resolving spasms,relieving sufferings, consolidating the posterior tissues and maintaining the original form of the anus.