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- Title
Role of bladder neck mobility and urethral closure pressure in predicting outcome of tension-free vaginal tape (TVT) procedure.
- Authors
Viereck, V.; Nebel, M.; Bader, W.; Harms, L.; Lange, R.; Hilgers, R.; Emons, G.
- Abstract
Objective To investigate how urethral mobility and urethral closure pressure affect the outcome of tension-free vaginal tape (TVT) insertion for stress incontinence. Methods A total of 191 consecutive women with genuine stress urinary incontinence with or without intrinsic sphincter deficiency were evaluated prospectively with multichannel urodynamics, 24-h voiding diaries, clinical stress tests and introital ultrasound measurements preoperatively and 6 months after surgery. Additional introital ultrasound examinations were performed immediately after the operation, at 12 months and annually thereafter. 177/191 patients had completed a 36-month follow-up at the time of writing. Urethral mobility was described as linear dorsocaudal movement (LDM), with hypermobility being defined as LDM > 15 mm on sonography. Intrinsic sphincter deficiency was defined by a maximum urethral closure pressure (M UCP) of < 20 cmH2O. Results The overall cure rate at the 36-month follow-up was 89.5% (Kaplan-Meier estimator), with secondary cure (within 6 months of surgery) in 10.5% of these patients. The operation failed in 4.2% of the women and recurrence was seen in 6.3% of the cases. Bladder neck mobility was significantly reduced at the 6-month follow-up (P < 0.001). Compared with primary cure, therapeutic failure and secondary cure were associated with a significantly lower postoperative bladder neck mobility (P < 0.05). Postoperative hypermobility reduced the risk of therapeutic failure. In addition, women with therapeutic failure or secondary cure had a significantly lower MUCP than did those with primary cure (P < 0.01). Conclusion The effectiveness of the TVT sling appears to depend on adequate postoperative urethral mobility and urethral closure pressure.
- Subjects
URINARY incontinence; WOMEN'S health; URODYNAMICS; PATIENTS; JOINT hypermobility
- Publication
Ultrasound in Obstetrics & Gynecology, 2006, Vol 28, Issue 2, p214
- ISSN
0960-7692
- Publication type
Article
- DOI
10.1002/uog.2834