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Functional Electrical Stimulation Yoichi Shimada 1 , Toshiki Matsunaga 2 , Kana Sasaki 1 , Daisuke Kudoh 1 , Yoshihiko Okudera 1 , Nobusuke Shibata 1 , Ken Sasaki 1 1Department of Orthopedic Surgery,Graduate School of Medicine,Akita University 2Department of Rehabilitation Medicne,Akita University Hospital Keyword: 機能的電気刺激(functional electrical stimulation) , 治療的電気刺激(therapeutic electrical stimulation) , 脳卒中(stroke) , 片麻痺(hemiplegia) pp.348-352
Published Date 2014/6/18
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Abstract : Stroke is the main cause of disability in industrialized countries, having a significant impact on individual, family, and societal healthcare. Although many hemiplegic survivors after stroke achieve independent ambulatory functions with orthotic devices, half of them remain unable to use their upper or lower extremity in their activities of daily living after months of standard stroke rehabilitation. One of the most promising alternate interventions to help hemiplegic survivors recover their upper limb function is functional electrical stimulation (FES). FES is a method of restoring functionality to upper or lower extremities by electrically stimulating the lower motor neurons of hemiplegic survivors after stroke. FES training involves using therapeutic electrical stimulation (TES) on the paralyzed muscles. These techniques are both used on the affected upper limb and are effective in improving muscle atrophy or limited range of motion in joints from paralysis following stroke. Brain activation in chronic stroke patients was measured using functional MRI. After TES for 12 weeks, upper limb function improved in all cases. The results of brain activation showed two patterns. In the first, stimulation produced activity in the bilateral somatosensory cortices (SMC), which was seen to continue over time. In the second, activation was bilateral, extensive before stimulation, but localized to the SMC after intervention. Treatment with TES using an orthosis-type electrode stimulation device improves upper limb function in chronic hemiplegia patients. The present findings suggest that there are not only efferent but also afferent effects that may promote central nervous system remodeling.


Copyright © 2014, The Japanese Association of Rehabilitation Medicine. All rights reserved.

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電子版ISSN 印刷版ISSN 1881-3526 日本リハビリテーション医学会

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