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2022 Fiscal Year Final Research Report

The real value of end-of-life rehabilitation for the disabled elderly- Development of new intervention strategies for the joint contracture

Research Project

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Project/Area Number 20K20668
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Studies on the Super-Aging Society
Research InstitutionNagasaki University

Principal Investigator

Okita Minoru  長崎大学, 医歯薬学総合研究科(保健学科), 教授 (50244091)

Co-Investigator(Kenkyū-buntansha) 坂本 淳哉  長崎大学, 医歯薬学総合研究科(保健学科), 准教授 (20584080)
本田 祐一郎  長崎大学, 医歯薬学総合研究科(保健学科), 助教 (40736344)
片岡 英樹  長崎大学, 医歯薬学総合研究科(保健学科), 客員研究員 (50749489)
Project Period (FY) 2020-07-30 – 2023-03-31
Keywords拘縮 / 線維化 / 骨格筋電気刺激 / 高周波通電 / 筋収縮頻度 / 身体活動量 / 超音波画像診断装置 / 筋硬度
Outline of Final Research Achievements

In this study, we developed a new intervention strategy to prevent contractures in the disabled elderly and an evaluation method to determine the effectiveness of the intervention. In animal experiments, high-frequency electrical stimulation of skeletal muscles with high muscle contraction frequency was effective in preventing contractures, and the same effectiveness was confirmed in a clinical intervention study conducted based on this. In addition, a clinical observational study revealed that low physical activity was associated with more severe contractures, suggesting the importance of a physical activity promotion program to prevent contractures. In addition, muscle hardness evaluated by ultrasound imaging devices can be used as a clinical condition evaluation method for contractures.

Free Research Field

超高齢社会研究

Academic Significance and Societal Importance of the Research Achievements

終末期リハビリテーションの臨床では未だ重篤な拘縮を抱えた障害高齢者が存在し,最近は増加傾向にある.重篤な拘縮が生じると適切な看護・介護ケアが実践できずQOLは低下する.つまり,障害高齢者の終末期における“Well-being”を実現するためには,拘縮に対する新たな介入戦略の開発が急務である.そして,本研究の成果を通じて,骨格筋電気刺激を活用した身体活動促進プログラムが有効な介入戦略になり得ることが明らかとなり,あわせてその効果判定には超音波画像診断装置による筋硬度の評価が有用であること示した点は学術的,社会的にも意義がある.

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Published: 2024-01-30  

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