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Related Experiment Videos

Post-prostatectomy incontinence

D Hauri

    Urological Research
    |January 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    The external sphincter plays a key role in voluntary urination, not primarily continence. An intact external sphincter after prostatectomy aids urinary continence, offering a good prognosis for corrective surgery.

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    Area of Science:

    • Urology
    • Anatomy
    • Physiology

    Background:

    • Urinary continence relies on the internal sphincter's smooth muscle.
    • The external sphincter's primary roles include initiating voluntary micturition and urethral functions.

    Purpose of the Study:

    • To elucidate the role of the external sphincter in urinary continence post-prostatectomy.
    • To evaluate the impact of external sphincter integrity on post-prostatectomy incontinence outcomes.

    Main Methods:

    • Review of anatomical and physiological functions of urethral sphincters.
    • Analysis of post-prostatectomy incontinence cases based on external sphincter status.

    Main Results:

    • The external sphincter is crucial for voluntary urination, not primary continence.

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  • Approximately 90% of post-prostatectomy incontinence cases involve an intact external sphincter, indicating a positive surgical prognosis.
  • In about 10% of cases, external sphincter injury occurs, leading to less satisfactory outcomes with the described surgical method.

    • Conclusions:

    • An intact external sphincter is vital for supporting the internal sphincter's continence function after prostatectomy.
    • Corrective surgery shows good prognosis when the external sphincter is intact.
    • Surgical outcomes are less favorable when the external sphincter is also injured post-prostatectomy.