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公衆衛生

Hui Shi1, Loren Lipworth2, Qian Xiao3

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

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PubMed
まとめ
この要約は機械生成です。

一貫して短時間または長時間の睡眠時間を維持することは、アルツハイマー病および関連認知症(ADRD)のリスクを高めます。睡眠パターンの変化は、ADRDのリスクが高まっていることを示す可能性もあり、予防には健康的な睡眠が重要です。

キーワード:
睡眠時間アルツハイマー病リスク公衆衛生疫学

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科学分野:

  • 老年医学および睡眠科学。神経変性疾患疫学

背景:

  • 短い(7時間未満)および長い(9時間超)睡眠時間はいずれも、アルツハイマー病および関連認知症(ADRD)のリスク増加と関連しています。 長期的な睡眠時間の軌跡がADRDのリスクにどのように影響するかを調査した研究は限られています。 この研究では、多様なコホートにおけるADRDとの関連について、時間の経過に伴う睡眠時間のパターンを調査します。

研究 の 目的:

  • ADRDの発生リスクに対する長期的な睡眠時間の軌跡とその関連を調べること。 特定の睡眠パターン(例:一貫して短い、長い、または変化する睡眠時間)を特定し、ADRDの発生率増加と関連付けること。

主な方法:

  • メディケアに登録されている65歳以上の参加者17,945人を含む、南部地域コホート研究(SCCS)のデータを利用しました。 4.5年間の自己申告による睡眠(7時間未満、7〜9時間、9時間超)に基づいて睡眠時間の軌跡を定義しました。 メディケア請求を通じて特定されたADRDの発生率と睡眠軌跡との関連を分析するために、調整済みCox比例ハザード回帰を用いました。

主要な成果:

  • 最適でない睡眠時間の軌跡は、健康的な睡眠(7〜9時間)を維持した場合と比較して、ADRDのリスクが20%〜69%増加することと関連していました。 「長時間睡眠から短時間睡眠への」睡眠軌跡は、最も高い累積ADRD発生率を示しました(HR = 1.69)。 一貫して短い(短時間睡眠、HR = 1.20)および長い(長時間睡眠、HR = 1.56)睡眠時間、ならびに移行(長時間睡眠から健康的な睡眠、短時間睡眠から長時間睡眠)は、ADRDのリスク増加と関連していました。

結論:

  • 長期間にわたって短時間または長時間の睡眠時間を維持することは、ADRDの発生率増加と関連しています。 睡眠時間の変化(例:長時間睡眠から短時間睡眠への移行)も、ADRDの重要なリスク因子である可能性があります。 ADRDの発症リスクを低減するためには、中年期を通じて一貫した健康的な睡眠時間(7〜9時間)を促進することが不可欠です。