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The effect of hysterectomy or levonorgestrel-releasing intrauterine system on lower urinary tract symptoms: a 10-year follow-up study of a randomised trial.

Author(s): Heliovaara-Peippo S, Halmesmaki K, Hurskainen R, Teperi J, Grenman S, Kivela A, Tomas E, Tuppurainen M, Paavonen J

Affiliation(s): Department of Obstetrics and Gynaecology, Helsinki University Central Hospital, Helsinki, Finland. satu.heliovaara-peippo@helsinki.fi

Publication date & source: 2010-04, BJOG., 117(5):602-9. Epub 2010 Feb 15.

Publication type: Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't

OBJECTIVE: To evaluate the effect of hysterectomy and levonorgestrel-releasing intrauterine system (LNG-IUS) on lower urinary tract symptoms (LUTS) among women treated for menorrhagia. DESIGN: Randomised controlled trial analysed by actual treatment. SETTING: Five university hospitals in Finland. SAMPLE: A cohort of 236 women, aged 35-49 years, referred for menorrhagia between 1994 and 1997. METHODS: Women were randomly assigned to treatment by hysterectomy (n = 117) or LNG-IUS (n = 119). MAIN OUTCOME MEASURES: Lower urinary tract symptoms were evaluated by questionnaires at baseline, and after 6, 12 months, 5, and 10 years. Medications and operations for urinary incontinence were confirmed from medical records and national registries. RESULTS: Overall, 221 (94%) women took part in the 10-year follow-up evaluation. As 55 (46%) women originally randomised to the LNG-IUS group underwent hysterectomy, the results were analysed by actual treatment. Women treated by hysterectomy used more medication for urinary incontinence than LNG-IUS users (12% versus 1%) (OR 9.45, 95% CI 1.24-71.87, P = 0.006). Three hysterectomised women and one LNG-IUS user underwent surgery for stress urinary incontinence (SUI). Women treated by hysterectomy had more urinary tract infections (UTIs) than LNG-IUS users (OR 3.20, 95% CI 1.47-6.96, P = 0.002). Feeling of incomplete emptying (OR 3.00, 95% CI 1.00-9.05, P = 0.04) and SUI (OR 1.83, 95% CI 1.01-3.32, P = 0.04) were more common among women treated by hysterectomy. No differences between the study arms were noted in urge urinary incontinence or by the Urinary Incontinence Severity Score. A multivariate model showed that UTIs were associated with hysterectomy (P = 0.004). CONCLUSIONS: Hysterectomy increases the risks for incomplete emptying, lower UTIs and SUI.

Page last updated: 2010-10-05

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