| Project/Area Number |
15K16531
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Applied health science
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| Research Institution | Doshisha University (2016-2017)
Kyoto Gakuen University (2015) |
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Principal Investigator |
Watanabe Yuya 同志社大学, スポーツ健康科学部, 助教 (70644376)
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| Research Collaborator |
KIMURA Misaka 京都学園大学, 健康医療学部, 教授 (90150573)
YOSHINAKA Yasuko 京都学園大学, 経済経営学部, 教授 (80166983)
YAMADA Yosuke 国立研究開発法人医薬基盤・健康・栄養研究所, 研究員 (60550118)
IKENAGA Masahiro 福岡大学, スポーツ科学部, 助教 (90735573)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | エコー輝度 / フレイル / 超音波 / 筋輝度 / 筋内組成 / サルコペニア |
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| Outline of Final Research Achievements |
Echo intensity (EI) calculated from skeletal muscle ultrasonography (US) images has been considered to reflect muscle quality. The purpose of this study was to explore the applicability of EI as a sarcopenia / frail index. In the main research, 1,319 older adults (649 men, 670 women) were divided into robust, pre-frail and frail groups, and thus, their front-thigh US data [muscle thickness (MT) and EI] were compared. Significant linear trends were observed in MT and EI for both sex.
The findings suggest the utility of EI as a muscle composition index. Because EI can detect the quantitative and qualitative changes in skeletal muscle even at the pre-frail stage, it is expected to be use as a screening tool in the field of preventing frail and long-term care.
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