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[Urinary incontinence following total prostatectomy--evaluation by urodynamics and urethrography]
R Yanagizawa1, T Takeuchi, Y Hoshino
1Department of Urology, Tokyo Metropolitan Fuchu Hospital.
Summary
Urinary incontinence after prostatectomy is linked to advanced tumor stage. Lower functional profile length and urethral closure pressure significantly correlate with moderate to severe incontinence.
Area of Science:
- Urology
- Oncology
- Medical Imaging
Background:
- Urinary incontinence is a common complication following radical prostatectomy.
- Understanding factors influencing post-prostatectomy incontinence is crucial for patient management.
Purpose of the Study:
- To evaluate urinary incontinence in patients after total prostatectomy using urodynamics and lateral urethrography.
- To identify correlations between tumor characteristics, urodynamic parameters, and incontinence severity.
Main Methods:
- Urodynamic assessment and lateral urethrography were performed on 10 patients post-prostatectomy.
- Patients were categorized by tumor pathological stage (pT2, pT3, pT4) and incontinence severity (mild, moderate, severe).
Main Results:
- Incontinence was present in 80% of patients, predominantly stress incontinence.
- Incontinence severity correlated with higher tumor stages (pT3/pT4 vs. pT2).
- Mean functional profile length and maximum urethral closure pressure were significantly lower in patients with moderate to severe incontinence compared to those with continence or mild incontinence (p < 0.05).
Conclusions:
- Advanced tumor stage (pT3/pT4) is associated with increased urinary incontinence severity after prostatectomy.
- Reduced functional profile length and maximum urethral closure pressure are key urodynamic indicators of significant post-prostatectomy incontinence.