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Open Access Highly Accessed Research article

Efficacy of tension-free vaginal tape compared with transobturator tape in the treatment of stress urinary incontinence in women: analysis of learning curve, perioperative changes of voiding function

Hiroki Ito1*, Hiroyuki Yamanaka1, Masayuki Hagiwara2, Toru Furuuchi2, Kazuhiro Matsumoto2, Kunimitsu Kanai2, Kiichiro Kodaira2, Akiharu Ninomiya2 and So Nakamura2

Author Affiliations

1 Department of Urology, Yokohama City University Graduate School of Medicine and School of Medicine, Yokohama, Japan

2 Department of Urology, Saiseikai Central Hospital, Tokyo, Japan

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BMC Urology 2011, 11:13  doi:10.1186/1471-2490-11-13

Published: 4 July 2011

Abstract

Background

In this study, by comparing TVT surgery and TOT surgery for stress urinary incontinence in women, the characteristics and learning curves of both operative methods were studied.

Methods

A total of 83 women with stress urinary incontinence treated with tension-free vaginal tape (TVT) (n = 38) or transobturator tape (TOT) (n = 45) at Saiseikai Central Hospital between April 2004 and September 2009 were included. We compare the outcomes and learning curves between TVT surgery and TOT surgery. In statistical analysis, Student's t test, Fisher's exact test, and Mann-Whitney's U test were used.

Results

The surgical durations were 37.4 ± 15.7 minutes with TVT surgery and 31.0 ± 8.3 minutes with TOT surgery. A longer period of time was required for TVT surgery (p = 0.025). The residual urine at post-operative day 1 was higher in TVT surgery (25.9 ± 44.2 ml) than in TOT surgery (10.6 ± 19.2 ml) (p = 0.0452). The surgical duration of TVT surgery was shortened after the operator had performed 15 operations (p = 0.019).

Conclusions

In comparison of TVT surgery and TOT surgery, the surgical duration of TVT surgery was longer and the residual urine of TVT surgery was higher at post-operative day 1. Surgical experience could shorten the duration of TVT surgery.

Keywords:
Stress urinary incontinence; TVT surgery; TOT surgery