１９９６年８月至今，我们采用不切断肛门括约肌一期切除肛瘘术，治愈高位肛瘘３１例。其病程最短４３天，最长２５年，平均５１个月。以肛周脓肿自行破溃形成肛瘘１８例，曾行脓肿切开建立通畅引流形成肛瘘１３例。３１例病人均行不切断肛门括约肌一期切除瘘管治愈，... August 1996 to date, we use not cut off the anal sphincter resection of an anal fistula surgery, cured high fistula in 31 cases. The shortest duration of 43 days, the longest 2  5 years, an average of 5  1 months. In order to perianal abscess rupture of the formation of anal fistula in 18 cases, had abscess incision to establish an open drainage to form an anal fistula in 13 cases. 31 patients were not cut off anal sphincter resection fistula cure, ...