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Micturition by functional magnetic stimulation

V W Lin1, V Wolfe, F S Frost

  • 1Spinal Cord Injury Center, VA Palo Alto Health Care System, CA 94304, USA.

The Journal of Spinal Cord Medicine
|April 1, 1997
PubMed
Summary
This summary is machine-generated.

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Functional magnetic stimulation (FMS) effectively improved bladder contraction in spinal cord injury patients. This non-invasive technology shows promise for enhancing bladder emptying and aiding bladder training in individuals with neurogenic bladders.

Area of Science:

  • Urology
  • Neuroscience
  • Biomedical Engineering

Background:

  • Neurogenic bladder dysfunction significantly impacts quality of life in spinal cord injury (SCI) patients.
  • Current bladder management strategies for SCI can be invasive and have limitations.
  • Non-invasive neuromodulation techniques are being explored to improve bladder function.

Purpose of the Study:

  • To evaluate the effectiveness of functional magnetic stimulation (FMS) for improving bladder contraction and emptying.
  • To compare the efficacy of sacral versus suprapubic FMS in SCI subjects.
  • To assess the potential of FMS as a non-invasive therapeutic option for neurogenic bladders.

Main Methods:

  • Twenty-two subjects with spinal cord injuries participated in the study.

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  • Functional magnetic stimulation (FMS) was applied to the sacral nerves and suprapubic region using a magnetic stimulator.
  • Changes in bladder pressure (Pves) and instances of voiding were recorded to assess effectiveness.

    • Main Results:

    • Sacral nerve stimulation resulted in a significantly higher mean change in bladder pressure (24.4 cm H2O) compared to suprapubic stimulation (16.5 cm H2O).
    • Seventeen out of twenty-two subjects demonstrated successful voiding with either sacral or suprapubic FMS.
    • One subject achieved complete bladder emptying using a water-cooled coil FMS device.

    Conclusions:

    • Functional magnetic stimulation (FMS) demonstrates potential as an effective non-invasive method for improving bladder contraction.
    • FMS, particularly sacral nerve stimulation, can facilitate bladder emptying in individuals with neurogenic bladders.
    • This technology may offer a valuable tool for bladder management and training in SCI patients.