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サルコペニアに対する栄養サプリメントの影響:体系的なレビューとメタ解析
Usman Mansoor1, Donna Edano2, Maaza Usman3
1Pediatric Emergency Medicine, Al Jalila Children's Speciality Hospital, Dubai, ARE.
Cureus
|August 22, 2025
まとめ
サルコペニアの高齢者において 栄養サプリメントは筋肉の強さと 骨格筋量指数改善の有望性を示しています しかし,筋肉の質量と機能に対するこれらの利点を確認するには,さらなる研究が必要です.
科学分野:
- ゲロントロジーと栄養科学
- 筋肉 生理 と 老化
背景:
- サルコペニアは 筋肉の質量,強度,機能の漸進的な喪失であり 高齢者に重大な影響を及ぼし 障害のリスクを高め 生活の質を低下させます
- サルコペニア管理のための栄養サプリメントに関する既存の文献は矛盾しており,厳密な体系的なレビューとメタ分析の必要性を強調しています.
研究 の 目的:
- サルコペニアの進行に対する栄養サプリメントの影響を体系的に見直し,メタ分析し,筋肉の質量,強さ,機能に重点を置く.
- タンパク質,アミノ酸,ビタミンD,クレアチン,オメガ3,ミネラルを含む様々なサプリメントの有効性を評価する.
主な方法:
- 主要な電子データベース (PubMed,Scopus,Cochrane Libraryなど) で,包括的な文献検索が行われました. ) でした.
- サルコペニア患者の筋肉量と強度に対する栄養サプリメントの効果に焦点を当てた研究が含まれています.
- メタ解析はランダム効果モデルを用いて,出版バイアス,方法論的品質 (Cochrane Risk of Bias-2.0),証拠確実性 (GRADE) を評価した.
主要な成果:
- 栄養サプリメントは,握り力 (p=0. 05) と骨格筋量指数 (p=0. 02) の有意な改善を示した.
- 脂肪総量 (p=0. 04) の有意な増加も観察されました.
- 骨格筋量,尾筋量,歩行速度の有意な違いは見つかりませんでした. 副作用の発生率は,サプリメント群と対照群の間で類似した (p=0. 60).
結論:
- 栄養サプリメントは,サルコペニア患者の筋肉の強さと骨格筋質量指数を改善するための潜在的な利点を示しています.
- 手握りの強さと骨格筋質量指数に関する研究結果は,高い確実性があるが,歩行速度に関する研究は低い.
- これらの予備的な発見を検証し,最適な補給戦略を確立するために,さらなる長期的,多中心的および縦断的な研究が推奨されます.
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