認知機能障害と睡眠障害が死亡リスクに及ぼす影響:NHANES 2011-2014
Tian-Shin Yeh1,2, Yi-Chen Huang3,4, Shu-Chuan Ho5,6
1Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
Annals of general psychiatry
|September 2, 2025
まとめ
認知機能の低下と睡眠障害は,高齢者の死亡リスクを高めます. 両方に対処することは 健康と長寿の改善に不可欠です
科学分野:
- ゲロントロジー
- 公衆衛生
- 神経科学
背景:
- 認知機能障害と睡眠障害は 慢性疾患と死亡率の 独立した危険因子です
- これらの状態が死亡率に及ぼす影響は十分に理解されていません.
研究 の 目的:
- 高齢者の全因および心血管疾患による死亡率に対する認知機能低下と睡眠障害の組み合わせを調査する.
- 組合せられたリスクが個々のリスクの合計を超えるかどうかを判断する.
主な方法:
- 60歳以上の成人のための国家健康栄養調査 (NHANES) のデータ (2011年−2014年) を利用した.
- CERAD,Animal Fluency,そしてDigit Symbol Substitutionテストで認知機能を評価した.
- 自己報告された睡眠障害や困難による睡眠障害.
- 死亡リスクを分析するためにコックスの比例リスク回帰を用いた.
主要な成果:
- 分析対象は,60歳以上の3,170人の被験者でした.
- 認知機能の低下は,全原因で死亡するリスクの1. 59倍増加と関連していました.
- 認知機能の低下と睡眠障害の組み合わせは,全原因で死亡するリスクを1. 73倍増加させた.
- リスク関連は,性別,BMI,慢性腎疾患の状態によって変化した.
結論:
- 認知機能の低下と睡眠障害の併発は,全原因および心血管疾患による死亡リスクを大幅に高めます.
- このリスクの合計は,いずれかの状態が単独でもたらすリスクよりも大きい.
- 高齢者の死亡リスクの評価には 認知機能と睡眠状態の統合的な評価が不可欠です
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