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Neurologic implications of the pathologically open bladder neck.

G A Barbalias, J G Blaivas

    The Journal of Urology
    |April 1, 1983
    PubMed
    Summary

    Neurologic factors, particularly in patients with myelodysplasia, are linked to an abnormally open bladder neck. Abnormalities in bladder neck innervation may cause this condition, affecting bladder control.

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    Area of Science:

    • Urology
    • Neurology

    Background:

    • The bladder neck normally remains closed except during urination.
    • An abnormally open bladder neck can lead to urinary incontinence and other lower urinary tract symptoms.

    Purpose of the Study:

    • To investigate the role of neurologic factors in the pathogenesis of an abnormally open bladder neck.
    • To determine if specific neurological lesions correlate with an open bladder neck.

    Main Methods:

    • Review of 550 patients undergoing synchronous video, flow, pressure, and electromyography studies.
    • Identification of patients with an open bladder neck at rest without prior bladder neck surgery.

    Main Results:

    • 33 patients (6%) exhibited an open bladder neck at rest.
    • A significantly higher prevalence of neurological lesions was observed in patients with an open bladder neck compared to those with a normal bladder neck.
    • Patients with myelodysplasia showed a disproportionately high incidence of open bladder neck.

    Conclusions:

    • Abnormalities in bladder neck innervation are implicated in the development of a pathologically open bladder neck.
    • While neurological factors are involved, no specific lesion was uniquely correlated with an open bladder neck.

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