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臨床症状

Mo-Kyung Sin1, Richard M Allman2, Charles Faselis3

  • 1Seattle University, Seattle, WA, USA.

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まとめ
この要約は機械生成です。

ミニメンタルステータス検査(MMSE)スコアの正常範囲内でのわずかな低下でも、高齢者のアルツハイマー病および関連認知症(ADRD)のリスク上昇と関連しています。この所見は、MMSEが標的ADRD予防のための個人を特定するのに役立つことを示唆しています。

キーワード:
高齢者アルツハイマー病認知症リスクMMSE

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科学分野:

  • 老年医学
  • 神経学
  • 公衆衛生

背景:

  • 認知機能障害は、アルツハイマー病および関連認知症(ADRD)の既知のリスク因子である。
  • 高齢者における正常範囲のミニメンタルステータス検査(MMSE)スコア(27-30)とADRDリスクとの関連は、よく理解されていない。

研究 の 目的:

  • 地域在住高齢者における27-30のMMSEスコアで測定される正常な認知機能と、ADRD発症リスクとの関係を調査すること。
  • MMSEスコアの正常範囲内での低下がADRDの独立した予測因子であるかどうかを判断すること。

主な方法:

  • 心血管健康研究(CHS)からの正常なベースライン認知機能(MMSE 27-30)を持つ地域在住高齢者(65歳以上)4433人のデータ分析。
  • MMSEスコア30、29、28、27のベースライン特性とADRD発生率の比較。
  • MMSE 30を基準として、27の共変量を調整したMMSEスコア(29、28、27)とADRD発生率との関連を評価するために、多変量Cox比例ハザードモデルを使用した。

主要な成果:

  • MMSEスコアが30(p < 0.001)の参加者と比較して、MMSEスコアが正常範囲下限(27-29)の参加者は高齢であり、日常生活動作(ADL)障害のスコアが高かった。
  • 調整済みハザード比は、MMSEスコアの低下に伴い段階的に増加した:MMSE 30と比較して、MMSE 29で1.42、MMSE 28で1.71、MMSE 27で1.92(すべてp < 0.001)。
  • 年齢、BMI、糖尿病、うつ病、喫煙もADRDの有意な予測因子であった。

結論:

  • 正常範囲内であっても、MMSEスコアが30から低下することは、高齢者におけるADRD発症リスクの増加および独立したリスクと有意に関連している。
  • MMSEは、正常な認知機能を持つ高齢者のリスク層別化に役立つツールとなり、標的ADRD予防戦略を可能にする。