Anal Fistula Surgery — LIFT Procedure
OPERATION: Ligation of the Intersphincteric Fistula Tract (LIFT)
ANAESTHETIC: General / spinal anaesthesia
POSITION: Prone jack-knife / lithotomy
INDICATION:
Trans-sphincteric anal fistula with a well-defined intersphincteric component — not amenable to simple fistulotomy due to sphincter involvement. [Pre-existing draining seton in situ — removed at this procedure]. MRI pelvis confirming single-track trans-sphincteric fistula without high extension. Preoperative continence assessment satisfactory.
PROCEDURE: