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Electrical stimulation of the rectal ampulla causing reflex voiding

C Godec, G Ayala, A Cass

    The Journal of Urology
    |June 1, 1977
    PubMed
    Summary
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    Electrical stimulation of the rectal ampulla induced voiding and defecation sensations in 11 patients. This technique shows promise for treating urinary and fecal incontinence by stimulating rectal and anal functions.

    Area of Science:

    • Neuroscience
    • Urology
    • Gastroenterology

    Background:

    • Nerve stimulation is a potential therapeutic approach for functional disorders.
    • Understanding the neural pathways controlling the lower urinary and fecal systems is crucial for developing effective treatments.

    Purpose of the Study:

    • To investigate the effects of electrical stimulation of the rectal ampulla on lower urinary and fecal functions.
    • To assess the potential clinical applications of rectal ampulla stimulation in patients with voiding and defecation dysfunction.

    Main Methods:

    • Electrical stimulation was applied to the rectal ampulla in 11 patients with intact nervous systems.
    • Physiological responses including detrusor contraction, rectal ampulla contraction, and anal sphincter relaxation were monitored.

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    Main Results:

    • Electrical stimulation of the rectal ampulla successfully elicited a desire to void and defecate in all 11 participants.
    • The stimulation resulted in detrusor muscle contraction and rectal ampulla contraction.
    • A concurrent relaxation of the anal sphincter was observed, facilitating potential elimination.

    Conclusions:

    • Electrical stimulation of the rectal ampulla is a viable method for inducing sensations of voiding and defecation.
    • This technique holds significant clinical potential for managing conditions characterized by incontinence or impaired lower urinary and fecal emptying.