Skip Navigation LinksHome > January/February 2012 - Volume 18 - Issue 1 > Bladder Perforation During Tension-Free Vaginal Tape Procedu...
Female Pelvic Medicine & Reconstructive Surgery:
doi: 10.1097/SPV.0b013e318240d3f6
Original Articles

Bladder Perforation During Tension-Free Vaginal Tape Procedures: Abdominal Versus Vaginal Approach

McLennan, Mary T. MD*; Barr, Susan A. MD*; Melick, Clifford F. PhD; Gavard, Jeffrey A. PhD*

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Abstract

Objective: Bladder perforation rates for the tension-free vaginal tape (TVT) are higher with inexperienced surgeons. The purpose of this study was to examine if surgical approach affects this rate.

Methods: We performed a retrospective cohort study of consecutive patients undergoing a TVT as the sole procedure. All cases were performed by senior residents using 2 different surgical approaches—vaginal or abdominal trocar passage. Power analysis indicated that 103 patients in each group (vaginal and abdominal approach) were required to demonstrate a 50% reduction in perforation rates.

Results: The rate of perforation was 37.9% (95% confidence interval [CI], 28.5%–47.3%) for the vaginal compared with 6.8% (95% CI, 1.9%–11.7%) for the abdominal technique (P < 0.001). The relative risk that the abdominal technique results in bladder injury compared with the original transvaginal was 0.18 (95% CI, 0.08–0.38).

Conclusions: Bladder perforation occurs significantly less frequently with abdominal needle placement for the TVT procedure. We recommend this technique to less experienced surgeons.

© 2012 by Wolters Kluwer Health | Lippincott Williams & Wilkins

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