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J Urol. 1996 Aug;156(2 Pt 2):753-6.

Expanded followup of intravesical oxybutynin chloride use in children with neurogenic bladder.

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Department of Urology, Children's Hospital of Buffalo, State University of New York, New York, USA.



We evaluated the long-term results of intravesical oxybutynin chloride use in children with neurogenic bladders who could not tolerate or whose conditions were refractory to oral therapy.


We reviewed our experience with 28 children (myelomeningocele in 27 and imperforate anus in 1) who presented with urinary incontinence and/or elevated bladder pressures refractory to intermittent catheterization and oral anticholinergic medication. Intravesical oxybutynin was administered to each child by instillation of 5 mg. crushed oxybutynin chloride in 10 cc sterile saline 2 times daily during catheterization.


Seven patients (25%) could not tolerate intravesical oxybutynin secondary to anticholinergic side effects. The remaining 21 children have been followed on intravesical oxybutynin for a mean of 35 months (range 3 to 67). Of these 21 children 12 (57%) became completely dry day and night, 5 (24%) achieved daytime continence between catheterizations and 4 (19%) remained clinically unchanged with 2 in diapers. On urodynamics these 21 patients had increased bladder capacity of up to 1,150% (mean 237%, p < 0.0001) and decreased mean maximum filling pressures of -31% (p = 0.002).


Although a number of patients continued to have anticholinergic side effects, a majority had significant improvement in urodynamic parameters and continence. The response appears to be durable, and it spares many of these children from undergoing bladder augmentation.

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