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Related Experiment Videos

Dysfunctional voiding.

M L Chiozza1

  • 1Pediatric Department, University of Padova, Italy.

La Pediatria Medica E Chirurgica : Medical and Surgical Pediatrics
|May 4, 2002
PubMed
Summary
This summary is machine-generated.

Understanding normal bladder development is key to identifying dysfunctional voiding (DV) in children. DV arises from issues in bladder capacity, sphincter function, or neural control, impacting continence and requiring thorough assessment.

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Area of Science:

  • Pediatric Medicine
  • Urology
  • Developmental Pediatrics

Background:

  • Normal bladder storage relies on adequate capacity, low pressure, appropriate sensation, a closed outlet, and absence of involuntary contractions.
  • Child continence development involves concurrent maturation of bladder capacity, urethral sphincter function, and neural control.
  • Dysfunctional voiding (DV) in children is common but poorly understood, with unclear prevalence and etiology.

Purpose of the Study:

  • To present milestones in normal childhood continence development.
  • To define key factors in bladder storage and voiding control.
  • To outline the assessment of children with lower urinary tract dysfunction and dysfunctional voiding.

Main Methods:

  • Review of normal bladder development milestones and continence factors.

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  • Discussion of bladder storage requirements and maturational processes.
  • Description of elements for evaluating functional voiding and signs of DV.

    • Main Results:

    • Normal continence depends on the coordinated development of bladder capacity, sphincter function, and neural control.
    • Abnormalities in these maturational sequences can lead to clinically significant bladder sphincter control issues.
    • Dysfunctional voiding encompasses a range of symptoms including incontinence, frequency, urgency, and associations with UTIs and constipation.

    Conclusions:

    • Thorough assessment of children with lower urinary tract dysfunction requires detailed history, considering bladder capacity, voiding frequency, residual volumes, and flow rates.
    • Standardized definitions by the International Children's Continence Society aid in distinguishing types of urinary incontinence.
    • Clinical suggestions are provided for managing dysfunctional voiding in pediatric practice.