January 17, 2017

Gracilis Transposition: Treating Complex Perineal Fistulas (Video)

A step-by-step look at the procedure in men and women

Gracilis transposition is an effective surgical technique for repairing complex perineal fistulas in either gender (rectovaginal fistulas in women and rectourethral fistulas in men).

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In this video, Steven Wexner, MD, Director of the Digestive Disease Center and Chair of Colorectal Surgery at Cleveland Clinic Florida, explains the procedure step by step in two separate surgical procedures. Watch Dr. Wexner:

  1. Harvest the gracilis muscle and tunnel it to the perineum
  2. Dissect the perineum
  3. Debride the fistula
  4. Interpose the gracilis muscle
  5. Close the rectal opening and vaginal or urethral defect

The team initially places the patient with the rectovaginal fistula in the modified Lloyd Davies lithotomy position to harvest the gracilis muscle, being careful not to cross the knee joint or injure the vessels triangulated with the nerve, and to ensure that the harvested muscle is indeed gracilis. Before repositioning the patient into the prone jackknife position, the team stabilizes the tendon to a perineal incision.

Once the patient is redraped, the surgeon makes a circumanal incision separating the anterior rectal wall from the posterior vaginal wall coming across the fistula. The team continues to dissect in a cephalad manner into soft, areolar tissue before debriding the fistula. Dr. Wexner notes that surgeons can debride from either the anterior or posterior aspect of the incision. He begins the closure in a cephalad to caudal direction to prevent stricture formation, a common occurrence with large fistulae. Once the closure is complete, he looks at the primary opening to debride it and either close it or leave it open. Postoperatively, the patient remains in bed for three days in an adduction splint and broad-spectrum antibiotics are administered. To watch both this surgery and a rectourethral fistula repair, click above or visit and subscribe to Cleveland Clinic’s YouTube channel.

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