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Related Experiment Videos

Bladder pacemaker: scientific basis and clinical future

E A Tanagho, R A Schmidt

    Urology
    |December 1, 1982
    PubMed
    Summary
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    Electrical stimulation of sacral roots in dogs can effectively empty the denervated bladder and control continence. This research paves the way for electronic bladder pacemakers in humans.

    Area of Science:

    • Urology
    • Neuroscience
    • Biomedical Engineering

    Background:

    • Maintaining urinary tract integrity requires complete bladder emptying.
    • Denervated bladders present challenges for effective emptying and continence.
    • Electrical stimulation offers a potential solution for bladder dysfunction.

    Purpose of the Study:

    • To investigate electrical stimulation of sacral roots for canine bladder emptying.
    • To explore methods for achieving voluntary sphincter control via electrical stimulation.
    • To evaluate the feasibility of an electronic bladder pacemaker.

    Main Methods:

    • Electrical stimulation of intraspinal extradural sacral roots in canines.
    • Selective neurotomy to isolate autonomic effects on the bladder wall.

    Related Experiment Videos

  • Varying stimulation parameters to achieve detrusor contraction and sphincter activity.

    • Main Results:

    • Effective bladder emptying was induced through electrical stimulation.
    • Sustained voluntary sphincter activity was achieved, ensuring continence.
    • The combination of detrusor and sphincter stimulation demonstrated potential for a bladder pacemaker.

    Conclusions:

    • Electrical stimulation of sacral roots is a viable method for denervated bladder management.
    • This approach offers a promising strategy for restoring bladder control and continence.
    • The findings represent a significant step towards human application of electronic bladder pacemakers.