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Erschienen in:
05.08.2017 | Review Article
De novo overactive bladder following midurethral sling procedures: a systematic review of the literature and meta-analysis
Erschienen in: International Urogynecology Journal | Ausgabe 11/2017
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Introduction and hypothesis
De novo overactive bladder (OAB) is a known complication of midurethral sling surgery for the treatment of stress urinary incontinence. To date, differences in the incidence of de novo OAB following the use of different types of midurethral sling remain relatively unknown. The purpose of the present systematic review was to evaluate this incidence and summarize current evidence.
Methods
We systematically searched the literature using the MEDLINE, Embase, Scopus, ClinicalTrials.gov, LILACS and Cochrane Central Register of Controlled Trials databases as well as the grey literature and references from the electronically retrieved articles. For comparisons of proportions, we used the chi-squared test. All reported analyses were designed as two-tailed. Statistical significance was set at p < 0.05.
Results
Finally, 32 studies were included in this systematic review, with a total of 3,139 patients who had undergone midurethral sling procedures that included transobturator tapes (TOT), retropubic tapes (TVT) or single-incision tapes (mini-slings). The overall incidence of de novo OAB was 11.5% in nonrandomized studies (280 women) and 6.4% in randomized studies (50 women). In relation to the type of midurethral sling, the incidence of de novo OAB was 9.7% for mini-slings, 11.2% for TVT-O, 8.7% for TOT and 9.8% for TVTs. The chi-squared test did not reveal significant differences (p = 0.58).
Conclusions
Current evidence suggests that the overall incidence of de novo OAB following midurethral sling procedures is approximately 9%. There is not enough evidence to support differences in the effects of the different types of sling with regard to this particular postoperative complication.