Persistence of urgency and urge urinary incontinence in women with mixed urinary symptoms after midurethral slings: A multivariate analysis*

J. K.S. Lee, P. L. Dwyer, A. Rosamilia, Y. N. Lim, A. Polyakov, K. Stav

Research output: Contribution to journalArticlepeer-review

Abstract

Objective To determine risk factors for persistence of urgency or urge urinary incontinence following midurethral sling surgery. Design Prospective cohort study. Setting Tertiary referral Urogynaecology Unit. Sample A total of 754 consecutive women with stress urinary incontinence (SUI) and urgency; and 514 women with SUI and urge urinary incontinence (UUI) who underwent midurethral sling with a mean follow up of 50 months. Methods Women with persistent urgency or UUI at long-term follow up were compared with those whose symptoms had resolved, using multivariate analysis to determine the risk factors for persistent symptoms. Main outcomes measures Odd ratios (OR) of independent risk factors for persistent urgency or UUI. Results Persistent urgency (304/754, 40%) and UUI (166/514, 32%) were common. Coexistent detrusor overactivity (OR 2.04, 95% CI 1.39-3.01), baseline symptom severity (OR 1.41, 95% CI 1.10-1.78) and age (OR 1.03, 95% CI 1.02-1.04) increased the risk of persistent urgency, while transobturator sling surgery (OR 0.61, 95% CI 0.39-094) and concomitant prolapse surgery (OR 0.54, 95% CI 0.38-0.75) decreased the risk. For UUI detrusor overactivity (OR 1.86, 95% CI 1.18-2.93), baseline symptom severity (OR 1.88, 95% CI 1.38-2.56), previous incontinence surgery (OR 2.18, 95% CI 1.28-3.70) increased the risk of persistence, whereas apical prolapse surgery (OR 0.33, 95% CI 0.15-0.70) decreased the risk. Women were more likely not to recommend surgery when they experienced persistent urgency (15.8% versus 2.7%, P < 0.0001) or UUI (24.7% versus 2.9%, P < 0.0001). Conclusions Urodynamic parameters, baseline urgency symptom severity, midurethral sling route and concomitant prolapse operation are important predictors of persistent urgency or UUI following midurethral sling.

Original languageEnglish
Pages (from-to)798-805
Number of pages8
JournalBJOG: An International Journal of Obstetrics and Gynaecology
Volume118
Issue number7
DOIs
StatePublished - Jun 2011
Externally publishedYes

Keywords

  • Midurethral slings
  • mixed urinary incontinence
  • overactive bladder
  • pelvic organ prolapse
  • urodynamic studies

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