Treatment of complex anterior urethral stricture disease with mesh graft urethroplasty.
(Clinical Trial;Journal Article)
PURPOSE: Treatment of complex anterior urethral strictures complicated by a lack of sufficient penile skin for primary flap repair has generally consisted of 2-stage scrotal inlay urethroplasty. Scrotal skin has shortcomings, most notably hair formation, diverticula and stricture recurrence from urine induced dermatitis. As an alternative, we present our results with staged mesh graft urethroplasty using split-thickness skin, which is nonhair-bearing, easier to size and seemingly less permeable to urine penetration. MATERIALS AND METHODS: Between 1990 and 1995, 20 men underwent mesh graft urethroplasty for complex strictures, most after failed urethroplasty. Meshed split-thickness skin graft from the thigh (17 men) or full-thickness foreskin (3) was used. RESULTS: Overall median time to closure was 5.5 months, and 6 men required revision before closure (revision of ostia in 3, chordee release in 2 and lysis of graft adhesions in 1). A successful outcome, as evidenced by retrograde urethrography and history, was achieved in 12 of 15 men (80%) with a median followup of 38 months. Five men have not undergone closure due to patient refusal (2) or because the graft is not ready to be closed (3). Of the failures 2 men had retrograde urethrographic evidence of stricture at the proximal anastomosis and 1 had recurrent stenosis of the entire neourethra by 2 years. CONCLUSIONS: Mesh graft urethroplasty is not a panacea but it is a valuable adjunct in the treatment of complex urethral strictures, offering comparable results to and benefits over scrotal inlay procedures. In a significant percentage of cases it is a multistage rather than a 2-stage procedure.
Carr, LK; MacDiarmid, SA; Webster, GD
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