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J Urol. 1989 Mar;141(3):538-41.

Treatment of urinary incontinence by the periurethral implantation of glutaraldehyde cross-linked collagen.

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1
Department of Surgery (Urology), Stanford University Medical Center, California 94305-5118.

Abstract

Injectable materials have been used to augment the urethral sphincter and improve urinary continence with some success. However, none of these materials has received widespread use because they are difficult to inject and have been reported to migrate. We investigated the efficacy of transurethral implantation of glutaraldehyde cross-linked collagen, a highly purified bovine collagen. A total of 17 patients (16 men and 1 woman) with urinary incontinence resulting from a previous operation was selected for glutaraldehyde cross-linked collagen injection into the region of the urethral sphincter. Before and after implantation patients underwent urodynamic evaluation. Glutaraldehyde cross-linked collagen was injected into the area of the bladder neck or urinary sphincter under direct endoscopic vision. If no improvement occurred reinjection to increase the implant volume was performed at least 3 months after a previous injection. Of the 17 patients 9 were cured or improved. No complications have been reported. This investigation shows that glutaraldehyde cross-linked collagen can be injected into the urinary tract to correct urinary incontinence without observable or measurable morbidity.

PMID:
2918587
[Indexed for MEDLINE]
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