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Related Experiment Videos

The valve bladder syndrome: 20 years later.

K I Glassberg1

  • 1Division of Pediatric Urology, State University of New York, Downstate Medical Center, Brooklyn, New York 11203, USA.

The Journal of Urology
|September 8, 2001
PubMed
Summary

The valve bladder syndrome, characterized by bladder dysfunction after posterior urethral valves, often results from in utero damage, not solely from surgical diversion. Proactive urodynamic management is crucial.

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Area of Science:

  • Pediatric Urology
  • Nephrology
  • Urodynamics

Background:

  • Posterior urethral valves (PUV) can lead to a complex condition known as valve bladder syndrome.
  • This syndrome includes findings like a noncompliant bladder, incontinence, and nephrogenic diabetes insipidus following valve ablation.

Purpose of the Study:

  • To review the history and ongoing debate surrounding the valve bladder syndrome.
  • To analyze 20 years of urodynamic and histological investigations into its etiology and management.

Main Methods:

  • Comprehensive literature review of outcome studies, histological findings, animal models, and urodynamic investigations over the past 20 years.
  • Comparison of reported data to assess the causes of bladder compliance loss.

Main Results:

  • Loss of bladder compliance is common after valve ablation, contributing to upper tract dilatation and incontinence.
  • In utero damage is likely the primary cause of severe compliance loss, rather than temporary urinary diversion.
  • Many temporarily diverted cases demonstrate adequate or even superior bladder function compared to valve ablation alone.

Conclusions:

  • Valve ablation without urodynamic follow-up is insufficient; proactive management is essential.
  • Temporary diversion does not typically cause a fibrotic, noncompliant bladder.
  • Anticholinergic therapy and urodynamics can often manage valve bladder syndrome effectively, potentially avoiding undiversion surgery.

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