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Title: Randomized controlled trial comparing TVT-O and TVT-S for the treatment of stress urinary incontinence: 2-year results
Authors: Bianchi-Ferraro, Ana Maria H. M. [UNIFESP]
Jarmy-DiBella, Zsuzsanna I. K. [UNIFESP]
Castro, Rodrigo de Aquino [UNIFESP]
Bortolini, Maria Augusta T. [UNIFESP]
Sartori, Marair G. F. [UNIFESP]
Girao, Manoel J. B. C. [UNIFESP]
Universidade Federal de São Paulo (UNIFESP)
Keywords: Mini-sling
Single incision sling
Stress urinary incontinence
SUI surgery
Transobturator sling
Issue Date: 1-Oct-2014
Publisher: Springer
Citation: International Urogynecology Journal. London: Springer London Ltd, v. 25, n. 10, p. 1343-1348, 2014.
Abstract: The aim was to compare the efficacy and safety of single-incision sling TVT-Secur (TVT-S) and transobturator midurethral sling (TVT-O) for the treatment of stress urinary incontinence (SUI) over 2 years' follow-up.This is a randomized controlled trial in which women with SUI were randomly assigned to have either TVT-O (n = 56) or TVT-S (n = 66). Exclusion criteria included: voiding dysfunction, detrusor overactivity, and pelvic organ prolapse beyond the hymen. the primary outcomes were objective and subjective cure rates at a follow-up visit at 24 months, defined as a negative stress test and pad test as well as absence of self-reported SUI symptoms. Secondary endpoints included quality of life assessment using the King's Health Questionnaire (KHQ), and complication and reoperation rates. Analysis was performed using intention to treat, and statistical significance was fixed at 5 % (p < 0.05). Statistical methods used were Mann-Whitney, Student's t, Chi-squared, Fisher's, ANOVA, and McNemar's tests.The groups were similar regarding demographic and clinical preoperative parameters. Objective cure rates for TVT-S and TVT-O groups were 77.3 % and 83.6 %, while subjective cure rates were 75.7 % and 80.3 % respectively, with no statistically significant differences between the techniques. There was a significant improvement in all KHQ domains in both groups (p < 0.001). A few complications were observed in our study. the most common perioperative complication was thigh pain associated with TVT-O, while the long-term one was tape exposure observed in 5.3 % of TVT-O and in 7.5 % of TVT-S cases.The efficacy of the TVT-S was similar to that of the TVT-O after 2 years' assessment. This cohort will continue to be followed in order to maintain commitment to contributing data on long-term results.
ISSN: 0937-3462
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