| Effects of acute urinary bladder overdistension on bladder response during sacral neurostimulation. | |
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MedLine Citation:
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PMID: 10473998 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: Urinary retention and micturition disorders after overdistension are clinically well-known complications of subvesical obstruction. We attempted to evaluate whether bladder overdistension influences bladder response and whether overdistension supports detrusor decompensation. METHODS: Following lumbal laminectomy in 9 male foxhounds, the sacral anterior roots S2 and S3 were placed into a modified Brindley electrode for reproducible and controlled detrusor activation. The bladder was filled in stages of 50 ml from 0 to 700 ml, corresponding to an overdistension. At each volume, the bladder response during sacral anterior root stimulation was registered. After overdistension, the bladder was refilled stepwise from 0 to 300 ml and stimulated. RESULTS: In all dogs, the bladder response was influenced by the intravesical volume. The maximum pressure (mean 69.1 cm H(2)O) was observed at mean volume of 100 ml. During overdistension, a significant reduction in bladder response of more than 80% was seen. After overdistension, a significant reduction in intravesical pressure of 19.0% was observed. In 2 cases, reduction in bladder response was more than 50% after a single overdistension. CONCLUSIONS: We conclude that motoric bladder function is influenced during and after overdistension. A single bladder overdistension can support acute and long-lasting detrusor decompensation. In order to protect motoric bladder function, bladder overdistension must be prevented. |
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Authors:
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S Bross; S Schumacher; J R Scheepe; S Zendler; P M Braun; P Alken; K Jünemann |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: European urology Volume: 36 ISSN: 0302-2838 ISO Abbreviation: Eur. Urol. Publication Date: 1999 Oct |
Date Detail:
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Created Date: 1999-11-23 Completed Date: 1999-11-23 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7512719 Medline TA: Eur Urol Country: SWITZERLAND |
Other Details:
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Languages: eng Pagination: 354-9 Citation Subset: IM |
Affiliation:
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Neuro-Urological Laboratory, Department of Urology, University Hospital Mannheim of the University of Heidelberg, Mannheim, Germany. |
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Dilatation, Pathologic / physiopathology Dogs Electric Stimulation Lumbosacral Plexus / physiology* Male Pressure Urinary Bladder / innervation, physiology* Urinary Retention / physiopathology |
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