Tape functionality: position, change in shape, and outcome after TVT procedure--mid-term results

Area of Science:

• Urology
• Gynecology
• Pelvic Floor Surgery

Background:

• Stress urinary incontinence (SUI) significantly impacts women's quality of life.
• The tension-free vaginal tape (TVT) procedure is a common surgical treatment for SUI.
• Understanding factors influencing TVT efficacy is essential for optimizing patient care.

Purpose of the Study:

• To evaluate the impact of tape position and shape changes (tape functionality) on mid-term outcomes in SUI patients.
• To determine the sonographic characteristics of the TVT tape in vivo.
• To correlate tape characteristics with patient continence and complications.

Main Methods:

• Sonographic assessment of TVT tape position and tape-urethra distance at 6 and 48 months post-surgery.
• Evaluation of 41 women with SUI treated with TVT.
• Correlation of tape position (percentage urethral length) and distance with cure rates, improvement, and complications.

Main Results:

• At 48 months, 76% of patients were cured, 17% improved, and 7% failed.
• Optimal tape position was found at the junction of the middle and distal thirds of the urethra, at least 2 mm from the urethra.
• Tape functionality (stretching at rest, C-shape during straining) was observed in 37% of patients and correlated with successful outcomes.

Conclusions:

• Mid-term success in SUI treatment with TVT is associated with tape placement at least 2 mm from the urethra in the middle to distal third.
• Demonstrated tape functionality at 6 months predicts successful mid-term therapeutic outcomes.
• Sonographic evaluation provides valuable insights into TVT tape behavior and its relation to treatment success.