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KMID : 0361420100340020168
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Journal of Korean Academy of Rehabilitation Medicine
2010 Volume.34 No. 2 p.168 ~ p.173
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The Effect of High Frequency Repetitive Transcranial Magnetic Stimulation on the Motor Function in Post-Stroke Patients
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Sohn Min-Kyun
Kim Bong-Ok
Kim Sung-Kyum
Choi Pil-Soon
Hwang Sun-Hong
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Abstract
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Objective: To evaluate the effects of high frequency repetitive transcranial magnetic stimulation (rTMS) of the affected hemisphere on the motor recovery and spasticity in chronic post-stroke hemiplegic patients.
Method: Thirteen chronic stroke hemiplegic patients were randomized to receive real and sham rTMS. rTMS was carried out 10 times at a frequency of 10 Hz with 10 s stimulation followed by 50 s rest, totalling 1,000 stimulations to the affected primary motor cortex using an intensity of 100% of resting motor threshold of unaffected hemisphere. Median nerve H-reflex, modified Ashworth scale (MAS) at elbow and wrist, and manual function test (MFT) were measured at baseline and after 2 weeks of treatment.
Results: High frequency rTMS resulted in increased H- reflex latency and decreased H-reflex amplitude and H/M ratio. Also MAS decreased and MFT score increased after 2 weeks of treatment.
Conclusion: High frequency rTMS in the affected motor cortex might facilitate motor recovery and reduce spasticity in chronic stroke patients.
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KEYWORD
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Stroke, Repetitive transcranial magnetic stimulation, H-reflex, Modified Ashworth scale, Manual function test
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