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Treatment of rectovaginal fistulas that has failed previous repair attempts.

MacRae, Helen M. M.D., F.R.C.S.C.; McLeod, Robin S. M.D., F.R.C.S.C.; Cohen, Zane M.D., F.R.C.S.C.; Stern, Hartley M.D., F.R.C.S.C.; Reznick, Richard M.D., F.R.C.S.C.
Diseases of the Colon & Rectum:
doi: 10.1007/BF02049726
Original Contributions: PDF Only

PURPOSE: The purpose of this study was to assess results of treatment of rectovaginal fistulas (excluding pouch vaginal fistulas) that have failed previous attempts at repair.

METHOD: A retrospective chart review of all patients presenting with nonhealing rectovaginal fistula was performed.

RESULTS: Twenty eight patients with persistent fistulas were identified. In 18 patients the fistula was classified as simple, and in 10 the fistula was complex. Fourteen fistulas were secondary to obstetric injury, five were caused by Crohn's disease, and nine patients had miscellaneous etiologies for their fistulas. Of patients with persistent simple fistulas, 13 (72 percent) of the fistulas healed, 5 after advancement flaps, 5 following sphincteroplasty, and 3 after coloanal anastomoses. Of persistent complex fistulas, only four of ten (40 percent) healed, one following sphincteroplasty, one with coloanal anastomosis, and two after gracilis transposition. A total of 23 advancement flaps were done in 17 patients with five fistulas healing (29 percent). Sphincteroplasty and fistulectomy was successful in six of seven patients (86 percent). Coloanal anastomosis resulted in healing of four of six patients (67 percent) in whom it was attempted. Gracilis muscle transfer was successful in two of two patients (100 percent).

CONCLUSION: Persistent rectovaginal fistula presents a difficult management problem. Choice of operation must be tailored to the underlying pathology and type of repair previously done. Advancement flap repair is generally not recommended for persistent complex fistulas or for simple fistulas that have failed a previous advancement flap repair.

(C) The ASCRS 1995