認知症と診断された高齢者の機能低下を予測するC反応性タンパク質: 5年間の追跡調査

Miguel Germán Borda¹, Tommy Cederholm², Salomón Salazar-Londoño³

¹Department of Neurology, Clínica Universidad de Navarra, Pamplona, Spain; Centre for Age-Related Medicine (SESAM), Stavanger University Hospital, Stavanger, Norway; Centro de Investigación en Ciencias de la Salud (CICSA), FCS, Universidad Anáhuac México Campus Norte, Huixquilucan Edo. de México, Mexico.

Revista espanola de geriatria y gerontologia

|August 28, 2025

まとめ

C反応性タンパク質 (CRP) は,認知症患者の機能低下の増加と関連しています. この炎症マーカーは能力の悪化を予測しますが体重減少や死亡率は新たに診断された患者では予測できません

科学分野:

神経科学
ゲロントロジー
免疫学

背景:

認知症の罹患率は増加しており早期の介入のための予後指標が必要です
C反応性タンパク質 (CRP) は容易に入手可能な炎症マーカーです.
認知症の進行マーカーの早期発見は患者の健康状態の改善に不可欠です

研究の目的:

体重減少,認知機能低下,死亡率の予測因子としてC反応性タンパク質 (CRP) を調査する.
認知症と診断された高齢者のCRPの予後値の評価.

主な方法:

DemVestの縦断的なコホート研究から得られたデータを使用した.
アルツハイマー病 (AD) またはルイの体型認知症 (LBD) に起因する軽度の認知症を持つ参加者を含めた.
診断時のCRPレベルを測定し,機能的低下,体重,BMI,認知機能の低下,および5年間の死亡率を回帰および混合モデルを使用して分析した.

主要な成果:

5年間の追跡期間中,高まったCRPレベルは,より大きな機能的低下と相関していた.
CRPレベルと体重,BMI,認知機能低下 (MMSE),または死亡率との間には統計的に有意な関連性が見つかりませんでした.
この研究には158人の参加者 (平均年齢75. 2歳) が含まれており,60. 8%がADと39. 2%がLBDと診断されました.

結論:

高いC反応性タンパク質 (CRP) レベルは,認知症と新たに診断された個人の機能低下の増加と関連しています.
CRPは認知症患者の機能悪化の予後指標として機能する.

キーワード:

日常活動日常生活の活動体重指数 C反応性タンパク質認知症認知症 C反応性タンパク質体質指数

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