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Related Experiment Video

Updated: Jul 17, 2026

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Urodynamic and ultrasonographic evaluation after continence surgery.

S A Kobata¹, M J Girão, M G Sartori

¹Universidade Federal de São Paulo, Escola Paulista de Medicina, Brazil.

International Urogynecology Journal and Pelvic Floor Dysfunction

|October 30, 1999

Summary

Continence surgery improves urinary continence by elevating the bladder neck and reducing its mobility, not by altering urethral closure pressure. These findings were observed through urodynamic and ultrasonographic studies.

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Area of Science:

Urology
Gynecology
Pelvic Floor Surgery

Background:

Urinary incontinence affects a significant number of women.
Various surgical procedures aim to restore continence.
Understanding the mechanisms behind surgical success is crucial for patient outcomes.

Purpose of the Study:

To evaluate urodynamic and ultrasonographic findings following different continence surgeries.
To elucidate the anatomical and functional changes contributing to urinary continence post-surgery.

Main Methods:

Comparative study of three surgical groups: Burch colposuspension, Kelly-Kennedy plication, and Gittes surgery.
Preoperative and postoperative urodynamic assessments (including first desire to void, maximum cystometric capacity, and urethral closure pressure).
Preoperative and postoperative ultrasonography of the bladder neck to assess position and mobility relative to the pubic symphysis.

Main Results:

All patients achieved urinary continence.
Significant increase in first desire to void and maximum cystometric capacity observed in specific groups.
No significant changes in urethral closure pressure profile across all groups.
Ultrasonography confirmed elevation and decreased mobility of the bladder neck post-surgery.

Conclusions:

Post-surgical urinary continence is primarily attributed to bladder neck elevation and reduced mobility.
These changes likely enhance abdominal pressure transmission to the proximal urethra.
Urodynamic and ultrasonographic findings provide insights into the efficacy of different continence surgeries.