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Mucosal advancement flap for recurrent complex anal fistula: a repeatable procedure
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Mucosal advancement flap for recurrent complex anal fistula: a repeatable procedure
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Mucosal advancement flap for recurrent complex anal fistula: a repeatable procedure
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Journal Article
Mucosal advancement flap for recurrent complex anal fistula: a repeatable procedure
2019
Overview
PurposeMucosal advancement flap (MAF) is the best option for complex anal fistula (AF) treatment. Recurrence is not rare and the best surgical option for his handling is a challenge considering the incontinence risk and the healing rate. We aimed to determine the feasibility and outcomes of a second MAF for recurrent complex AF previously treated with mucosal advancement flap.MethodsWe retrospectively identified 32 patients undergoing two or more MAF for recurrent AF in a larger cohort of 121 consecutive cases of MAF operated by the same senior colorectal surgeon. Only complex AF of cryptoglandular origin was enrolled. A long-term follow-up was performed collecting clinical and functional data.ResultsAmong 121 patients (group A) treated with mucosal advancement flap, 32 (26.4%) (group B) recurred with a complex AF requiring a second mucosal advancement flap procedure. Success rate of group B is 78.1%. Six patients of group B recurred a second time, another MAF was performed with healing in all cases. Complication rate (Clavien Dindo 3b) of group B is 9.4% compared to 8.3% of group A. A slight continence deficit (Miller score 1, 2, and 4) was detected after the first MAF in 3 patients. The Miller score for these patients did not change after the subsequent MAF.ConclusionsMAF is effective for treatment of complex recurrent AF. A pre-existing MAF procedure does not worsen the healing rate of the second flap. The rate of surgical complications is similar with those reported in the literature for MAFs.
