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Unstable bladder in children: functional evaluation by modified voiding cystourethrography.

R Fotter, W Kopp, E Klein

    Radiology
    |December 1, 1986
    PubMed
    Summary
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    A modified voiding cystourethrography technique accurately detects unstable bladder syndrome in children. This imaging method shows high accuracy in identifying uninhibited detrusor contractions, aiding diagnosis.

    Area of Science:

    • Pediatric Urology
    • Diagnostic Imaging
    • Radiology

    Background:

    • Unstable bladder syndrome is characterized by uninhibited detrusor contractions.
    • These contractions can impede bladder filling and affect bladder neck function.
    • Accurate diagnosis is crucial for effective management in pediatric patients.

    Purpose of the Study:

    • To evaluate a modified voiding cystourethrography technique for diagnosing unstable bladder syndrome in children.
    • To assess the radiologic findings associated with uninhibited detrusor contractions.
    • To compare the accuracy of the modified technique with urodynamic studies.

    Main Methods:

    • A modified voiding cystourethrography technique was applied to 100 pediatric patients (ages 4-15).
    • The study focused on identifying radiologic signs of uninhibited detrusor contractions.

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  • Radiologic findings were compared against results from urodynamic studies.

    • Main Results:

    • The modified voiding cystourethrography demonstrated high diagnostic performance.
    • Overall accuracy was 92%, with a sensitivity of 93% and specificity of 90.7%.
    • Radiologic signs correlated well with urodynamic findings of unstable bladder syndrome.

    Conclusions:

    • The modified voiding cystourethrography is a reliable and accurate imaging method for diagnosing unstable bladder syndrome in children.
    • This technique effectively visualizes uninhibited detrusor contractions and associated bladder neck abnormalities.
    • It offers a valuable diagnostic tool in pediatric urology, complementing urodynamic assessments.