Urinary symptoms before and after female urethral diverticulectomy--can we predict de novo stress urinary incontinence?

Department of Urogynaecology, Mercy Hospital for Women, Melbourne, Australia.
The Journal of urology (Impact Factor: 4.02). 09/2008; 180(5):2088-90. DOI:10.1016/j.juro.2008.07.049
Source: PubMed

ABSTRACT We assessed preoperative and postoperative urinary symptoms, and determined risk factors for de novo stress urinary incontinence after transvaginal urethral diverticulectomy.
We reviewed the case records of 25 consecutive women who had transvaginal urethral diverticulectomy. Urinary symptoms were documented before and after surgery with a structured history and examination pro forma. Demographic, clinical and imaging parameters were reviewed to determine any association with preoperative and postoperative symptoms as well as possible risk factors for postoperative stress urinary incontinence.
The most common presenting symptoms were urinary urgency and frequency (60%), and dyspareunia (56%). On physical examination the most common findings were a tender anterior vaginal wall mass (88%) and urethral discharge (40%). At a mean followup of 15.1 +/- 14.9 months (median 12) the rate of urgency-frequency symptoms and dyspareunia decreased significantly from 60% to 16% and from 56% to 8%, respectively. All the patients who had urge incontinence were cured of this symptom after the operation. De novo stress urinary incontinence developed in 4 patients (16%) postoperatively, and it was mild and only necessitated surgical treatment in 1 patient. A diverticulum larger than 30 mm and proximal urethral location were significant factors (p <0.05) for the development of de novo stress urinary incontinence.
Irritative bladder symptoms are common in woman with urethral diverticulum and usually resolve after surgical excision. Stress urinary incontinence developed immediately after the operation, and had a significant association with a proximal urethral location and ultrasonically measured size greater than 30 mm.

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    ABSTRACT: To present the largest reported cohort of women with urethral diverticula and to evaluate the surgical outcomes and long-term voiding symptoms after urethral diverticulectomy. Studies evaluating the outcomes after urethral diverticulectomy have been limited by small patient numbers and short-term follow-up. Women who had undergone diverticulectomy at our institution from 1996 to 2008 were mailed surveys. Urinary bother was assessed using the Urogenital Distress Inventory 6-item questionnaire, and patients were asked to report subsequent urethral or vaginal surgery and the number of urinary tract infections within the previous year. To determine the rate of surgical recurrence, the charts of women not responding to the survey were reviewed. A total of 122 women were identified as having undergone urethral diverticulectomy during the study period. Of these, 13 (10.7%) had an eventual recurrence that required repeat surgical excision. Patients with a proximal diverticulum, multiple diverticula, or previous pelvic or vaginal surgery (excluding previous diverticulectomy) were more likely to develop recurrence (P = .01, P = .03, and P < .001, respectively). For the 61 women (50%) responding to our survey, the mean follow-up was 50.4 months. Of these 61 women, 24 (39.3%) had had a urinary tract infection within the previous year, with 14 (23%) women having had ≥3 within the previous year. Also, 16 (26.2%) had persistent pain or discomfort with urination. The mean ± SD total Urogenital Distress Inventory-6 score was 31.1 ± 25.5 for the survey responders. To our knowledge, our study represents the largest study with the longest follow-up after urethral diverticulectomy. Patients with proximal or multiple diverticula and those with previous pelvic surgery should be counseled appropriately regarding the risks of recurrence and persistent voiding dysfunction.
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