Management of urethral stricture in women

Abstract

Purpose: We describe the diagnosis and treatment of urethral strictures in women.

Materials and methods: We retrospectively identified female urethral strictures from 1998 to 2010. Study inclusion criteria were 1) clinical diagnosis of stricture, 2) stricture seen on cystoscopy, 3) urethral obstruction on videourodynamics according to the Blaivas-Groutz nomogram and/or 4) urethral caliber less than 17Fr. Postoperative recurrence was defined by the preoperative criteria.

Results: We identified 17 women with a mean age of 62 years (range 32 to 91) with stricture. Stricture was idiopathic in 8 patients, iatrogenic in 6, traumatic in 2 and associated with a urethral diverticulum in 1. Videourodynamics could not be done in 3 women due to complete obliteration of the urethra. Ten of 14 patients satisfied videourodynamic criteria for obstruction and 4 had impaired detrusor contractility. Nine women underwent vaginal flap urethroplasty, including 5 who also had a pubovaginal sling and 1 who had a Martius flap. One patient received a buccal mucosal graft as primary treatment after initial dilation. There was no recurrence at a minimum 1-year followup but 2 strictures recurred 5½ and 6 years postoperatively, respectively. These 2 women received a buccal mucosal graft and were stricture free 12 to 15 months postoperatively. Of 17 patients initially treated with urethral dilation recurrence developed in 16, requiring repeat dilations until urethroplasty was performed.

Conclusions: In select women vaginal flap urethroplasty and buccal mucosal graft have high success rates, including 100% at 1 year and 78% at 5 years. Urethral dilation has a 6% success rate. Long-term followup is mandatory. Treatment should be individualized.