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KMID : 0860920110130010031
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Journal of the Korean Association EMG-Electrodiagnostic Medicine
2011 Volume.13 No. 1 p.31 ~ p.37
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Effect of Low Frequency Repetitive Transcranial Magnetic Stimulation in a Patient with Dystonia -Case Report -
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Kim Young-Bum
Kim Yun-Hee
Lee Kang-Woo
Chang Won-Hyuk
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Abstract
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We here reported the suppression of dystonia after the low frequency rTMS in a patient with the pediatric
stroke. A 21-year old woman with infarction in the left basal ganglia and corona radiata showed the dystonia
on right extremities since 4 years old. The Movement score and the Disability score of Burke-Fahn-
Mardsen Dystonia Rating Scale (BFMDRS) was 28.0 and 5. She received a 20 minutes treatment session
with 1 Hz rTMS on the left premotor cortex three times per week for 2 weeks. After treatment, the Movement
score and the Disability score of BFMDRS scale were improved to 17.5 and 4, respectively. These
rTMS effects were maintained for about 2~4 hours after each session. In this case, we observed that lowfrequency
rTMS improved specific motor symptom of severe dystonia. We also observed that excessive
corticospinal drive could be suppressed by low-frequency rTMS on the premotor cortex.
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KEYWORD
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Dystonia, rTMS , Pediatric stroke
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