Abstract
Introduction and hypothesis
This is a randomized multicenter study comparing two mid-urethra tape procedures, the tension-free vaginal tape (TVT) with the tension-free vaginal tape-obturator (TVT-O) in terms of cure rate and complication rate.
Methods
Seven Finnish hospitals participated. Power calculations required 130 women in each group to detect a 10% difference in cure rate. A total of 267 underwent the allocated operation. Follow-up was scheduled at 2, 12, 36 and 60 months. A cough stress test was used as an objective outcome measure. Subjective outcome was assessed by five different condition-specific quality of life questionnaires.
Results
At 36 months of follow-up, 96% of the patients were evaluated. Objective cure rate was 94.6% in the TVT group and 89.5% in the TVT-O group (p = 0.131). Subjective cure rates were significant with no difference between the groups.
Conclusion
The TVT and the TVT-O are equally effective in the treatment of stress urinary incontinence after 36-month follow-up with no difference in complication rates.
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Conflicts of interest
C.G.N. has acted as consultant for Astellas, Ethicon and Pfizer. A.V. has acted as consultant for Astellas Ethicon and Pfizer. This study was instigated by the responsible researchers and funded by University-Administered funds.
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Palva, K., Rinne, K., Aukee, P. et al. A randomized trial comparing tension-free vaginal tape with tension-free vaginal tape-obturator: 36-month results. Int Urogynecol J 21, 1049–1055 (2010). https://doi.org/10.1007/s00192-010-1160-y
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DOI: https://doi.org/10.1007/s00192-010-1160-y