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Urinary bladder cortical evoked potentials in man: suitable stimulation techniques.

P F Deltenre1, A J Thiry

  • 1Department of Rehabilitation of Neurological Disorders, Brugmann Hospital, Brussels, Belgium.

British Journal of Urology
|October 1, 1989
PubMed
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A new method records cortical potentials from bladder stimulation, offering an objective test for bladder sensory pathways. Bipolar stimulation is superior to monopolar for accurate results.

Area of Science:

  • Neuroscience
  • Urology
  • Electrophysiology

Background:

  • Assessing bladder afferent pathways is crucial for understanding bladder function and dysfunction.
  • Current electrophysiological methods may lack objectivity or be technically challenging.

Purpose of the Study:

  • To describe a practical and easily applicable method for recording cortical potentials evoked by bladder wall stimulation.
  • To establish an objective electrophysiological test for evaluating afferent bladder central projections.

Main Methods:

  • Recording cortical potentials evoked by bipolar electrical stimulation of the bladder wall.
  • Comparing bipolar and monopolar methods of intravesical stimulation.

Main Results:

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  • A practical method for recording bladder-evoked cortical potentials using bipolar stimulation was developed.
  • Bipolar stimulation provided clear cortical potentials, suitable for objective testing.
  • Monopolar intravesical stimulation yielded potentials contaminated by extravesical components, rendering it unsuitable.

    • Conclusions:

    • Bipolar electrical stimulation of the bladder wall offers a reliable method for assessing afferent bladder central projections.
    • The described technique provides an objective electrophysiological test for bladder sensory pathways.
    • Monopolar stimulation techniques are inadequate due to signal contamination.