• J K-S Lee, P L Dwyer, A Rosamilia, Y N Lim, A Polyakov, and K Stav.
• Department of Urogynaecology, Mercy Hospital for Women, Heidelberg. Vic., Australia. joseph.lee@southernhealth.org.au
• BJOG. 2011 Jun 1; 118 (7): 798-805.

ObjectiveTo determine risk factors for persistence of urgency or urge urinary incontinence following midurethral sling surgery.DesignProspective cohort study.SettingTertiary referral Urogynaecology Unit.SampleA 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.MethodsWomen 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 MeasuresOdd ratios (OR) of independent risk factors for persistent urgency or UUI.ResultsPersistent 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).ConclusionsUrodynamic parameters, baseline urgency symptom severity, midurethral sling route and concomitant prolapse operation are important predictors of persistent urgency or UUI following midurethral sling.© 2011 The Authors BJOG An International Journal of Obstetrics and Gynaecology © 2011 RCOG.

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