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Urodynamic patterns in children with dysfunctional voiding problems.

T D Allen, T C Bright

    The Journal of Urology
    |February 1, 1978
    PubMed
    Summary
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    Children with dysfunctional voiding exhibit unique patterns of failed detrusor and sphincter coordination. This suggests a developmental delay in achieving mature micturition control, impacting bladder function.

    Area of Science:

    • Pediatric Urology
    • Neuroscience
    • Developmental Biology

    Background:

    • Dysfunctional voiding is a common pediatric urological issue.
    • It is characterized by abnormal coordination between the bladder (detrusor) and sphincter muscles during urination.
    • Understanding the developmental basis of this condition is crucial for effective treatment.

    Purpose of the Study:

    • To investigate the specific patterns of intravesical pressure, anal sphincter electromyography, and urinary flow rate in children with dysfunctional voiding.
    • To identify the common underlying mechanism contributing to these varied voiding patterns.

    Main Methods:

    • Simultaneous urodynamic measurements were performed in 17 children.
    • These included intravesical pressure, external urethral sphincter electromyography (EMG), and urinary flow rate.

    Related Experiment Videos

  • Data analysis focused on identifying coordination failures between detrusor and sphincter activity.

    • Main Results:

    • A variety of distinct, yet related, abnormal voiding patterns were observed in the children.
    • All patterns shared a common failure in coordinating detrusor contraction with appropriate sphincter relaxation.
    • These findings suggest a persistent developmental phase in micturition control.

    Conclusions:

    • The observed patterns in dysfunctional voiding likely represent a persistence of the transitional phase of micturition development.
    • Children may be using forceful external urethral sphincter contraction to prevent involuntary wetting.
    • This highlights the importance of addressing developmental aspects in managing pediatric voiding dysfunction.