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Urethral sphincter abnormalities in Parkinsonism.

N T Galloway

    British Journal of Urology
    |December 1, 1983
    PubMed
    Summary

    Parkinsonism significantly impacts urethral sphincter function, causing abnormalities in all studied patients. Four patients exhibited severe sphincter dysfunction, potentially explaining their urinary symptoms.

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    Area of Science:

    • Neurology
    • Urology
    • Physiology

    Background:

    • Parkinsonism is a neurodegenerative disorder affecting motor control.
    • Urinary symptoms are common in patients with Parkinsonism.
    • Urethral sphincter dysfunction can contribute to lower urinary tract symptoms.

    Purpose of the Study:

    • To investigate urethral sphincter function in patients with Parkinsonism.
    • To identify specific sphincter abnormalities associated with Parkinsonism.
    • To correlate sphincter dysfunction with urinary symptoms in this patient group.

    Main Methods:

    • Urethral pressure profilometry was performed on 14 Parkinsonism patients.
    • Sphincter electromyography was utilized to assess muscle activity.
    • Voiding studies, with optional cystourethrography, were conducted.

    Main Results:

    • All 14 patients demonstrated abnormalities in urethral sphincter function.
    • Four patients presented with profound dysfunction, including increased sphincter tone and tremor.
    • These four patients failed to relax their urethral sphincter during voiding.

    Conclusions:

    • Urethral sphincter dysfunction is a prevalent finding in Parkinsonism.
    • Markedly increased sphincter tone and tremor represent severe dysfunction.
    • Sphincter abnormalities are a significant contributing factor to urinary symptoms in Parkinsonism.

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