2022 Fiscal Year Final Research Report

Effect of Severe Hemiplegic Upper Limb through the Combined Use of Passive/Assistive Electrical Stimulation Devices

Research Project

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Project/Area Number	19K12895
Research Category	Grant-in-Aid for Scientific Research (C)
Allocation Type	Multi-year Fund
Section	一般
Review Section	Basic Section 90150:Medical assistive technology-related
Research Institution	Gunma Paz University (2021-2022) Osaka Kawasaki Rehabilitation University (2019-2020)
Principal Investigator	Minami Seigo 群馬パース大学, リハビリテーション学部, 教授 (70739424)
Co-Investigator(Kenkyū-buntansha)	福元喜啓関西医科大学, リハビリテーション学部, 准教授 (30636121) 青木秀哲和歌山県立医科大学, 医学部, 博士研究員 (50298824) 小林隆司岡山医療専門職大学, 健康科学部作業療法学科, 教授 (70337989) 青山朋樹京都大学, 医学研究科, 教授 (90378886)
Project Period (FY)	2019-04-01 – 2023-03-31
Keywords	慢性脳卒中 / 在宅リハビリテーション / 作業療法 / 合目的的電気刺激療法
Outline of Final Research Achievements	Study 1 investigated the effects of combining occupational therapy and electrical stimulation therapy to help individuals with severe arm paralysis (hemiplegia) due to stroke regain voluntary use of their affected limb. In Study 2, the researchers confirmed the benefits of occupational therapy and muscle electrical stimulation therapy, using both assisted and voluntary electrical stimulation devices, for individuals with chronic stroke and severe arm paralysis. They implemented a gradual approach in the therapy process. In Study 3, a randomized controlled trial was conducted to examine the effects of a goal-directed activity combined with muscle electrical stimulation therapy on upper limb motor function. As a single case study, the improvement of brain function was assessed using near-infrared spectroscopy. The study found positive outcomes in promoting the use of the severely paralyzed upper limb among chronic stroke survivors.
Free Research Field	リハビリテーション科学、医療福祉工学関連
Academic Significance and Societal Importance of the Research Achievements	本研究の成果により、慢性脳卒中の重度片麻痺上肢をもつ人に対して、日常生活で使える手への移行を促進し、日常生活を豊かにでき、生活の質を高める手立てを示すことができると考えられます。本研究は、廃用レベルにある重度片麻痺上肢に対する電気刺激を用いた機能訓練の一助になると考えられます。今後の課題は、慢性脳卒中の重度片麻痺上肢をもつ人の脳機能の改善傾向を示すプロセスや治療プログラムを考えていきたいと思います。