\>This randomized clinical trial compares three different surgical techniques for the treatment of transsphincteric perianal fistula: (1) traditional fistulotomy (lay open), (2) ligation of the intersphincteric tract (LIFT) with adjunctive endofistula laser ablation, and (3) open LIFT procedure followed by direct laser ablation of the tract under vision. The aim is to determine which approach offers the highest healing rate, lowest recurrence, and best postoperative outcomes with minimal impact on continence.
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healing
Timeframe: 6 months