African Journal of Urology

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Martius flap and anterior vaginal wall sling for correction of urethrovaginal fistula (UVF) associated with stress urinary incontinence (SUI) after vaginal delivery

AM Abdelbary


Objective: To determine the efficacy, safety and urodynamic effects of the Martius flap and the anterior vaginal wall sling in treating post-birth trauma in the form of urethra-vaginal fistula (UVF) associated with stress urinary incontinence (SUI).
Patients and methods: Between July 2006 and August 2011, 19 patients underwent repair of UVF by interposition of a Martius flap and correction of associated SUI by a modified anterior vaginal wall sling. The procedure was carried out 3–17 (mean 7) months after post-birth trauma. Pre-operative evaluation consisted of history, voiding diary, physical examination, routine laboratory work-up, abdominopelvic ultrasonography, intravenous urography (IVU), and cystourethrography. The patients were followed up for a mean of 34 months. Follow-up included history, physical examination, urine analysis and pelvic ultrasonography for the assessment of residual urine. Urodynamic evaluation was performed at 3 months post-operatively.
Results: None of the patients developed recurrence of UVF. SUI was corrected in 16 patients (84%). In the post-operative period, 3 patients (16%) complained of an overactive bladder (OAB) with urodynamic detrusor overactivity (DO) and an obstructed flow. These problems were managed successfully using anticholinergics and urethral dilation. Three patients (16%) complained of mild SUI, but refused further management.Within 3 years following the intervention, 3 patients complained of a recurrence of SUI which was managed successfully by a rectus sheath sling.

KEYWORDS: Urethrovaginal fistula; SUI; Martius flap; Anterior vaginal wall sling; Birth trauma
AJOL African Journals Online