Randomized trial of a single incision versus an outside-in transobturator midurethral sling in women with stress urinary incontinence: 12 month results

Lee, Joseph K.-S., Rosamilia, Anna, Dwyer, Peter L., Lim, Yik N., and Muller, Reinhold (2015) Randomized trial of a single incision versus an outside-in transobturator midurethral sling in women with stress urinary incontinence: 12 month results. American Journal of Obstetrics and Gynecology, 213 (1). 35.e1-35.e9.

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Abstract

Objective: The objective of the study was to evaluate objective and subjective outcomes of MiniArc and Monarc (American Medical Systems, Minnetonka, MN) midurethral sling (MUS) in women with stress incontinence at 12 months.

Study Design: A total of 225 women were randomized to receive MiniArc or Monarc. Women with intrinsic sphincter deficiency, previous MUS, or untreated detrusor overactivity were excluded. Objective cure was defined as negative cough stress test with a comfortably full bladder. Subjective cure was defined as no report of leakage with coughing or exercise on questionnaire. Validated questionnaires, together with urodynamic and clinical cough stress test, were used to evaluate the objective and subjective outcomes following surgery. Participants and clinicians were not masked to treatment allocation. Outcomes were compared with exact binomial tests (eg, Fisher exact test for dichotomous data) for categorical data and Student t tests or exact versions of Wilcoxon tests for numerical data as appropriate.

Results: There was no statistically significant difference in the subjective (92.2% vs 94.2%; P = .78; difference, 2.0%; 95% confidence interval, –2.7% to +6.7%) or objective (94.4% vs 96.7%; P = .50; difference, 2.3%; 95% confidence interval, –1.5% to +6.1%) cure rates between MiniArc and Monarc at 12 m, respectively, with a significant improvement in overactive bladder outcomes and incontinence impact from baseline in both arms.

Conclusion: MiniArc outcomes are not inferior to Monarc MUS outcomes at 12 months' follow-up in women without intrinsic sphincter deficiency.

Item ID: 41897
Item Type: Article (Refereed Research - C1)
Keywords: midurethral slings; MiniArc; Monarc; patient-reported outcomes; randomized controlled trial; stress urinary incontinence
ISSN: 1097-6868
Date Deposited: 08 Dec 2015 18:38
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1114 Paediatrics and Reproductive Medicine > 111402 Obstetrics and Gynaecology @ 100%
SEO Codes: 92 HEALTH > 9205 Specific Population Health (excl. Indigenous Health) > 920507 Womens Health @ 100%
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