Kết quả phẫu thuật điều trị rò hậu môn hình móng ngựa

Abstract

Objective: To assess the results of surgical treatment for horseshoe anal fistula. Subject and method: Patients who were diagnosed horseshoe anal fistula by taking magnetic resonance imaging and surgery at Viet Duc Hospital from 01/2016 to 4/2019. This was non controlled prospective study. Result: There were 56 patients with horseshoe anal fistula. The everage age was 38.3 ± 11.3 years, the male/female rate was 8.3/1. The medium symptom duration was 4.1 ± 06 months. 62.5% of them were detected inner hole by taking anal magnetic resonance imaging with the sensitivity of 100% and the specificity of 100%. The matching rate with surgery on classigy in fistula way was 93.3%. Classification of anal fistula surgery according the sphincter system included: 53.6% intersphincteric fistula, 21.4% transsphinctric fistula, 23.2% suprasphincteric and 1.8% extrasphincteric fistula. The surgical approach: 51.8% of lay-open and put drainage, 54% of lay - open and put drainege and put seton and 10.7% of fistulectomy. The average time of hospitalization was 7.7 ± 3.3 days. The results after 18 months show that the good was 95.8%, the bad was 4.2%. Conclusions: Surgical treatment for horseshoe-shaped anal fistula gives good results with low disease relapse rate, high rate of anal self-control losing in the early months after surgery which is gradually decreased when the damage is restored.