サルコペニアは,コミュニティに住む高齢者の食事の質と認知機能の関連性を変化させる:横断的な研究
Yanqing Ren1,2,3, Qian Liu2, Xiangfeng He1
1Department of Rehabilitation, Chongming Hospital Affiliated to Shanghai University of Medicine and Health Sciences, Shanghai, China.
BMC geriatrics
|February 17, 2026
まとめ
良い食事の質は,高齢者の認知機能の向上と関連していますが,この利点は,サルコーペニアの重度の増加に伴い減少しています. 老化,筋肉の喪失,脳の健康に関するこれらの発見を確認するために,さらなる研究が必要である.
科学分野:
- ゲロントロジーと栄養科学
- 老化と認知健康の研究
背景:
- サルコペニアと認知障害は,高齢者の生活の質に影響を与える年齢関連の疾患です.
- 食事の質は,筋肉の健康と認知機能の両方に潜在的に影響を与える変更可能な要因です.
- サルコペニア,食事の質,高齢者の認知能力の相互作用は十分に理解されていません.
研究 の 目的:
- サルコペニア,食事の質,高齢者の認知機能との関連を調査する.
- ダイエット,サルコペニア,および認知の関係における潜在的な相互作用と仲介要因を探求する.
主な方法:
- 上海で60歳以上の2572人のコミュニティに住む成人を対象とした横断的な研究.
- モントリオール認知評価 (MoCA) で評価された認知機能.
- サルコペニアに関するアジアワーキンググループ (ASWG) の2019年ガイドラインを用いて診断されたサルコペニア;変更された中国の健康的な食事指数 (CHEI) によって測定された食事の質.
- 多変量回帰,相互作用,メディエーション,およびサブグループ分析が採用されました.
主要な成果:
- 食事の質の向上 (CHEIスコア) は,認知機能の向上 (MoCAスコア) と正に関連していた.
- 食事の質と認知能力の間の肯定的な関連は,より重度のサルコペニアの個体ではより弱かった.
- サルコペニアの重症度は認知機能と関連しており,一般的なサルコペニアは重症サルコペニアよりも高いMoCAスコアに関連していた.
- サブグループ分析では,年齢,BMI,教育がサルコペニアと認知の関連性を変化させ,生活状況とCVD歴が食事と認知の関連性を変化させることが示された.
結論:
- 食事の質と,高齢者の認知機能に関するサルコペニアの間の相互作用が存在します.
- より質の高い食事は認知機能を支えるかもしれないが,重度のサルコペニアの有無でこの効果は低下する.
- 長期的および介入的研究は,因果関係を確立し,年齢に関連する認知機能低下と筋肉喪失の予防戦略を伝えるために必要である.
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