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Related Experiment Videos

Functional magnetic stimulation facilitates gastric emptying.

Vernon W-H Lin1, Kathie H Kim, Ian Hsiao

  • 1Functional Magnetic Stimulation Laboratory, Spinal Cord Injury/Disorder Health Care Group, VA Long Beach Health Care System, Long Beach, CA 90822, USA. vernon.lin@med.va.gov

Archives of Physical Medicine and Rehabilitation
|June 6, 2002
PubMed
Summary

Functional magnetic stimulation (FMS) accelerated gastric emptying in both healthy individuals and those with spinal cord injury (SCI). This noninvasive technique shows promise for improving gastrointestinal function in humans.

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Area of Science:

  • Gastroenterology
  • Neuroscience
  • Biomedical Engineering

Background:

  • Gastric emptying plays a crucial role in nutrient absorption and overall digestive health.
  • Spinal cord injury (SCI) can significantly disrupt normal gastrointestinal motility, leading to complications.
  • Noninvasive methods to modulate gastric function are of significant clinical interest.

Purpose of the Study:

  • To investigate the efficacy of functional magnetic stimulation (FMS) in altering gastric emptying rates.
  • To compare the effects of FMS on gastric emptying in able-bodied individuals versus those with SCI.

Main Methods:

  • A prospective, nonrandomized clinical experiment was conducted.
  • Participants included five able-bodied subjects and four subjects with SCI.

Related Experiment Videos

  • Functional magnetic stimulation (FMS) was applied noninvasively over the T9 spinous process using a 60% intensity, 20 Hz frequency, and 2-second burst.

    • Main Results:

    • FMS demonstrated an acceleration of gastric emptying in both able-bodied and SCI groups.
    • The mean gastric emptying half-time (GE(t1/2)) decreased from 36+/-2.9 to 33+/-3.1 minutes in able-bodied subjects.
    • In SCI subjects, GE(t1/2) significantly reduced from 84+/-11.1 to 59+/-12.7 minutes with FMS.

    Conclusions:

    • Functional magnetic stimulation (FMS) effectively enhances gastric emptying in able-bodied individuals.
    • FMS provides a substantial enhancement of gastric emptying in subjects with spinal cord injury (SCI).
    • FMS presents a promising noninvasive therapeutic option for facilitating gastric emptying in humans.