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Functional magnetic stimulation using a parabolic coil for dysphagia after stroke
Ryo Momosaki1, Masahiro Abo, Shu Watanabe
1Department of Rehabilitation Medicine, Jikei University School of Medicine, Tokyo, Japan.
Neuromodulation : Journal of the International Neuromodulation Society
|December 11, 2013
Summary
Functional magnetic stimulation (FMS) shows promise for improving swallowing speed and capacity in poststroke dysphagia patients. This study investigated FMS effectiveness, finding significant improvements compared to sham stimulation.
Area of Science:
- Neurology
- Rehabilitation Medicine
- Biomedical Engineering
Background:
- Poststroke dysphagia affects millions, leading to malnutrition and aspiration.
- Current treatments like neuromuscular electrical stimulation and transcranial magnetic stimulation show some efficacy.
- Functional magnetic stimulation (FMS) has not been previously studied for poststroke dysphagia.
Purpose of the Study:
- To evaluate the effectiveness of functional magnetic stimulation (FMS) for treating poststroke dysphagia.
- To compare FMS treatment outcomes against a sham stimulation control group.
- To assess FMS impact on specific swallowing parameters.
Main Methods:
- Twenty patients with poststroke dysphagia were randomized into real FMS or sham groups.
- Real FMS involved 30 Hz stimulation of suprahyoid muscles for 10 minutes.
- Swallowing function was assessed using timed water swallow tests before and after treatment.
Main Results:
- No adverse reactions were reported during or after FMS application.
- Patients receiving real FMS demonstrated significantly greater improvements in swallowing speed and capacity.
- No significant differences were observed in the interswallow interval between groups.
Conclusions:
- Functional magnetic stimulation (FMS) with a parabolic coil is a potentially effective treatment for poststroke dysphagia.
- FMS may enhance swallowing function, specifically improving speed and capacity.
- Further research is warranted to optimize FMS protocols for dysphagia management.
