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  • Title: Gracilis muscle interposition for the treatment of rectourethral, rectovaginal, and pouch-vaginal fistulas: results in 53 patients.
    Author: Wexner SD, Ruiz DE, Genua J, Nogueras JJ, Weiss EG, Zmora O.
    Journal: Ann Surg; 2008 Jul; 248(1):39-43. PubMed ID: 18580205.
    Abstract:
    BACKGROUND: The aim of this study was to review our experience with gracilis muscle interposition for complex perineal fistulas. MATERIAL AND METHODS: A retrospective review of all patients who underwent repair of perineal fistula using the gracilis muscle between 1995 and 2007 was undertaken. Patients were divided into 2 groups according to the fistula type by gender: females (rectovaginal and pouch-vaginal) and males (rectourethral). RESULTS: Gracilis interposition was performed in 53 patients. Seventeen women underwent 19 gracilis interpositions for 15 rectovaginal and 2 pouch-vaginal fistulas; 76% had a mean of (1-4) (mean of 2) prior failed attempt at repair. Eight patients experienced at least one postoperative complication. Two women required a second gracilis interposition. Thirty-three percent of the Crohn's disease-associated fistulas successfully healed; 75% without Crohn's successfully healed.Thirty-six males underwent gracilis interposition for rectourethral fistulas, mainly due to prostate cancer treatment; 13 (36%) had a mean of 1.5 (range 1-3) failed prior repairs. Seventeen patients experienced postoperative complications. The initial success rate in men with rectourethral fistulas was 78%. After successful second procedures in 8 patients, the overall clinical healing rate was 97%. CONCLUSION: The gracilis muscle transposition is a safe and effective method of treating complex perianal fistulas.
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