質問票ベースの食事炎症指数評価の開発と臨床応用
Mamiko Yano1, Nao Hasuzawa1, Natsumi Maruyama2
1Division of Endocrinology and Metabolism, Department of Internal Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Japan.
Journal of clinical biochemistry and nutrition
|January 27, 2026
まとめ
食品頻度質問票(FFQ)を用いた食事炎症指数(DII)の計算を簡略化する新しい方法。このアプローチは、慢性疾患管理のための個別化された炎症焦点型食事アドバイスを可能にする。
科学分野:
- 栄養科学
- 公衆衛生
- 臨床栄養
背景:
- 慢性代謝疾患は、重大な医療負担となっている。
- 現在の食事ガイドラインでは、理想的なパターンに関するコンセンサスが欠如している。
- 食事炎症指数(DII)は、食事の炎症潜在能力を測定するが、臨床用途には複雑である。
研究 の 目的:
- 臨床的に利用可能な食品頻度質問票(FFQ)を用いたDIIスコア計算の簡略化方法を開発すること。
- 従来の食事記録と比較して、FFQベースのDII計算の精度を検証すること。
主な方法:
- 30人の健康なボランティアが、3日間の食事記録(DR)とFFQを完了した。
- DRとFFQの両方のデータから栄養素摂取量とDIIスコアを計算した。
- FFQデータから栄養素摂取量を予測するための回帰方程式を開発し、推定DII(eDII)を作成した。
主要な成果:
- 29の栄養素摂取量のうち27が、DRおよびFFQから得られたDIIスコアと有意な相関を示した。
- 回帰方程式を用いて計算されたeDIIは、DR由来のDIIと強い相関を示した(r=0.716、p<0.0001)。
- 開発された方法は、低いバイアスと分散を示した。
結論:
- 簡略化されたFFQベースの方法は、DIIスコアを正確に推定する。
- このアプローチは、個別化された炎症を標的とした食事介入を容易にする。
- 本研究結果は、食事による慢性疾患管理のためのDIIの臨床応用を支持する。
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