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Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
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臨床症状

Hui Shi1, Yunyi Sun2, Derek B Archer3,4,5,6

  • 1Vanderbilt Memory and Alzheimer's Center, Nashville, TN, USA.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
PubMed
まとめ
この要約は機械生成です。

夜間の覚醒時間の延長や睡眠の不規則性を含む睡眠不足は、高齢者の認知機能低下と関連している。これらの所見は、睡眠断片化が時間の経過とともに記憶力や実行機能の変化の潜在的な指標となりうることを示唆している。

キーワード:
睡眠不足認知機能低下高齢者記憶力実行機能言語力睡眠断片化

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科学分野:

  • 神経科学
  • 老年医学
  • 睡眠医学

背景:

  • 睡眠不足は、アルツハイマー病および関連認知症(ADRD)の修正可能な危険因子である。
  • 以前の研究では、自己報告による睡眠データまたは単一の睡眠指標に依存することが多かった。
  • 本研究では、9年間にわたる客観的な活動量計で測定された睡眠健康と認知軌跡を調査した。

主な方法:

  • Vanderbilt Memory and Aging Project(平均年齢68.5歳)の553人の参加者のデータを利用した。
  • ActiGraph GT9X加速度計を使用して、10日間にわたる睡眠時間、タイミング、規則性、効率、断片化を測定した。
  • 線形混合効果モデルを用いて、複数の共変量を調整した後、ベースラインの睡眠測定値と記憶力、実行機能、言語力の年次変化との関連を評価した。

結論:

  • 睡眠健康の複数の指標は、記憶力およびパフォーマンスにおける有意な9年間の認知低下と関連していた。
  • 夜間の覚醒時間の延長は、睡眠断片化の潜在的な新規指標として浮上した。
  • 睡眠断片化と認知機能低下の関連を理解するためには、さらなる分子およびメカニズムの研究が必要である。