公衆衛生
Kevin A Gonzalez1, Rachel Membreno2, Wassim Tarraf3
1University of California, San Diego, La Jolla, CA, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
まとめ
睡眠障害と日中の眠気は、ヒスパニック/ラテン系成人における主観的な認知機能低下(SCD)の増加と関連している。これらの睡眠フェノタイプは、認知問題のリスクがある個人を特定するのに役立つ可能性がある。
科学分野:
- 睡眠科学、認知神経学、公衆衛生
背景:
- 睡眠障害は認知機能低下と関連しており、これは認知症の前兆である。
- 症状の異質性のため、フェノタイプベースのアプローチが睡眠研究でますます使用されている。
- 多様な集団における睡眠フェノタイプと主観的な認知機能低下(SCD)との関連は、さらなる調査が必要である。
研究 の 目的:
- 大規模なヒスパニック/ラテン系集団における睡眠フェノタイプと主観的な認知機能低下(SCD)との関連を調査すること。
- この人口統計における認知機能と関連する特定の睡眠パターンを特定すること。
主な方法:
- ヒスパニック・コミュニティ・ヘルス・スタディ/ラテン系(HCHS/SOL)とその補助研究であるSOL-INCAからのデータを利用した。
- 15の睡眠変数と4つの心血管測定値に対する潜在クラス分析を用いて、睡眠フェノタイプを定義した。
- Everyday Cognition(ECog-12)尺度を用いてSCDを評価し、調査加重線形回帰を用いて睡眠フェノタイプとの関連を分析した。
主要な成果:
- 3つのクラスに分ける解法により、睡眠障害、日中の眠気、および最小限の症状という明確な睡眠フェノタイプが特定された。睡眠障害(N=1,886)および日中の眠気(N=943)のグループに属する個人は、最小限の症状のグループ(N=2,722)と比較して、すべての認知領域にわたって有意に多くのSCDを報告した。これらの関連は、共変量を調整した後も持続した。
- 睡眠障害(N=1,886)および日中の眠気(N=943)のグループは、最小限の症状のグループ(N=2,722)と比較して、すべての認知領域にわたって有意に多くのSCDを報告した。
- これらの関連は、共変量を調整した後も持続した。
結論:
- 睡眠障害および日中の眠気フェノタイプは、主観的な認知機能低下(SCD)の増加と有意に関連している。
- 睡眠フェノタイプのアプローチは、特にヒスパニック/ラテン系集団において、認知機能の健康に関する貴重な洞察を提供する可能性がある。
- 本研究の結果は、認知機能を維持するために睡眠障害に対処することの重要性を強調している。
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