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Urodynamic findings in children with isolated epispadias
M Kaefer1, R Andler, S B Bauer
1Department of Urology, Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
The Journal of Urology
|August 24, 1999
Summary
Primary epispadias often presents with a low-capacity bladder. Surgical bladder neck repair improves capacity, particularly in boys, but can increase detrusor dysfunction.
Area of Science:
- Pediatric Urology
- Urology
- Developmental Biology
Background:
- The exstrophy-epispadias complex involves urinary tract anomalies.
- Treating incontinence in these patients is challenging.
- Urodynamic findings in primary epispadias are not well-studied.
Purpose of the Study:
- To investigate urodynamic findings in primary epispadias.
- To assess bladder function before and after bladder neck repair.
Main Methods:
- Retrospective review of 30 primary epispadias patients (18 boys, 12 girls).
- 16 patients underwent urodynamic evaluation before and/or after bladder neck repair.
- Key metrics included bladder capacity, bladder neck pressure, and detrusor function.
Main Results:
- Pre-repair: low bladder capacity (52% of expected), minimal detrusor dysfunction.
- Post-repair: increased capacity (76% of expected), greater increase in boys than girls.
- Post-repair: increased incidence of hypertonicity and hyperreflexia.
Conclusions:
- Primary epispadias often shows low bladder capacity and compliance.
- Bladder neck repair increases capacity but may lead to detrusor dysfunction.
- Gender differences in capacity increase and potential detrimental effects warrant further study.