慢性腎臓病の子どもにおける栄養素摂取と代謝の関連

Denise C Hasson¹, Aditya Surapaneni², Casey M Rebholz³

¹Department of Pediatrics, Hassenfeld Children's Hospital at NYU Langone Health, New York, NY.

Clinical journal of the American Society of Nephrology : CJASN

|September 5, 2025

まとめ

慢性腎臓病 (CKD) の多くの子供は,食事による微量栄養素,特にビタミンDの摂取が不十分である.この欠乏は,脂質代謝の変化と関連しており,小児CKDの管理における栄養学的サポートの重要性を強調しています.

科学分野:

小児腎臓科
栄養学
メタボロミクス

背景:

慢性腎臓病 (CKD) の子供は成長や発達に問題があります.
微量栄養素欠乏症は小児慢性腎臓病ではよく見られる.
これらの欠陥とその代謝への影響を理解することは極めて重要です

研究の目的:

慢性腎臓病の子供の食事による微量栄養素摂取量を評価する.
常見の微量栄養素欠乏症を特定する
食事による微量栄養素摂取と血代謝産物との関連を調査する.

主な方法:

この研究では,CKD2〜4段階の575人の子ども (6ヶ月〜16歳) が参加した.
微量栄養素の摂取量は,食事の頻度に関するアンケートを用いて評価された.
標的化されていない代謝プロフィールは,プラズマサンプルで実施された.
関連性は,多重線形回帰と混合効果モデルを用いて分析された.

主要な成果:

ビタミンD欠乏症 (90%),ビタミンE欠乏症 (77%) が多かった.
参加者の45%以上が鉄と葉酸の摂取量が不十分でした.
微量栄養素の摂取,特にビタミンDとB12は,脂質代謝経路と相関しています.
ビタミンCの摂取はスタキドリンのような特定の代謝産物と強い関連性を示した.

結論:

慢性腎臓病を患っているほとんどの子供は少なくとも1つの微量栄養素の摂取が不十分である.
食中の微量栄養素欠乏は,特に脂質代謝の代謝経路の変化と関連しています.
これらの発見は,小児慢性腎臓病における栄養介入の必要性を強調しています.

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