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Effectiveness of midurethral slings in recurrent stress urinary incontinence: a systematic review and meta-analysis
Ashish Pradhan1, Preeti Jain, Pallavi M Latthe
1Department of Obstetrics & Gynaecology, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Hills Road, Cambridge CB2 0QQ, UK. swatash@yahoo.com
Introduction And Hypothesis:
Midurethral slings (MUS) are the gold standard primary procedure for the surgical treatment of stress urinary incontinence (SUI). There is no robust evidence on the success with MUS in the treatment of recurrent SUI. Our objective was to evaluate the effectiveness and complications of MUS in women with recurrent SUI by systematic review and meta-analysis of the literature.
Methods:
A systematic literature search was carried out (up to August 2011) using relevant search terms in MEDLINE, EMBASE, CENTRAL and Google Scholar. Relevant randomised controlled trials (RCT) and prospective studies were selected and then analysed by two independent reviewers. Meta-analysis of cure stated in prospective cohort studies was performed with a random effects model using Stata 8.
Results:
There was 1 randomised trial and 11 good quality prospective studies included in this systematic review. The overall subjective cure rate per meta-analysis of prospective cohort studies following MUS for recurrent SUI after any previous surgery was found to be 78.5 % [95 % confidence interval (CI) 69-88] at the follow-up of 29.72 ± 29.49 months. The subjective cure rate following MUS after previous failed MUS was 73.3 % (95 % CI 55-97) at the follow-up of 15.7 ± 7.7 months.
Conclusions:
The studies report good cure rates of SUI after MUS surgery following previous incontinence surgery (62-100 %). There seems to be a lower cure rate with transobturator compared to the retropubic tape for recurrent SUI after previous surgery.
