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  • Title: Ligation of the intersphincteric fistula tract: an effective new technique for complex fistulas.
    Author: Bleier JI, Moloo H, Goldberg SM.
    Journal: Dis Colon Rectum; 2010 Jan; 53(1):43-6. PubMed ID: 20010349.
    Abstract:
    INTRODUCTION: The management of complex fistulas is difficult. Maintaining continence while achieving durable fistula closure is the goal of surgical management. This study describes our experience with a novel sphincter-sparing technique called the ligation of the intersphincteric fistula tract, which involves ligation and division of the fistula tract in the intersphincteric space. METHODS: All patients from July 2007 to December 2008 with trans- or suprasphincteric fistula treated with the procedure were prospectively followed. Procedures were performed by surgeons with fellowship training in a referral center. Demographic data, comorbidities, previous repair attempts, and postoperative data were collected. RESULTS: A total of 39 patients underwent a ligation of the intersphincteric fistula tract during a 17-month period. Median age was 49 years. A total of 29 patients (74%) had previous attempts at repair, with a median of 2 failed repairs. Follow-up data were available in 90% (35 of 39). Median follow-up was 20 weeks. Successful fistula closure was achieved in 57% of the patients (20 of 35). Median time to failure was 10 weeks (range, 2-38 weeks). No patient reported any subjective decrease in continence after the procedure. CONCLUSION: Ligation of the intersphincteric fistula tract is a new sphincter-sparing procedure for complex transsphincteric fistula. The success rate is comparable with other sphincter-preserving techniques. Importantly, it appeared to effectively preserve continence. Adding safe, muscle-sparing surgical options to our armamentarium for dealing with transsphincteric fistula is essential. Additionally, the procedure is easy to learn and has very low cost. Long-term follow-up and randomized, controlled trials are necessary to assess efficacy and durability.
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