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[An urodynamic study on neobladder function]
K Gotoh1, N Yamanaka, H Shimogaki
1Department of Urology, Shinkoh Hospital.
Nihon Hinyokika Gakkai Zasshi. the Japanese Journal of Urology
|February 17, 1999
Summary
Neobladder pressure-flow studies reveal sphincter dyssynergia in 31 of 38 patients, impacting voiding function. Enuresis can stem from sphincter issues or reservoir contractions, highlighting the complex urodynamics of neobladders.
Area of Science:
- Urology
- Surgical Innovation
- Urodynamics
Context:
- Orthotopic urinary reservoirs (neobladders) are created using various intestinal segments after cystectomy.
- Assessing neobladder function is crucial for patient outcomes and satisfaction.
- Urodynamic evaluation provides objective data on bladder function.
Purpose:
- To analyze the urodynamic characteristics of neobladders using pressure-flow studies.
- To correlate urodynamic findings with patient-reported outcomes and neobladder function.
Summary:
- A pressure-flow study was conducted on 38 patients with orthotopic neobladders.
- Sphincter dyssynergia was observed in 31 patients (81.6%), with altered electromyogram activity during voiding.
- Enuresis was reported by 7 patients, often associated with detubularized reservoirs and high filling pressures.
Impact:
- Identifies sphincter dyssynergia as a common cause of voiding dysfunction in neobladders.
- Suggests that both abdominal pressure and reservoir pressure contribute to urine evacuation.
- Provides insights into the management of enuresis and dysuria in neobladder patients.