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Mfon E Umoh1, Anirudh Sharma1, Jeannie-Marie S Leoutsakos2

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まとめ
この要約は機械生成です。

股関節骨折修復後の高齢者における術後せん妄は、認知機能低下に著しく影響し、特に事前の認知機能障害がない患者に影響を与えます。これにより、脆弱な高齢患者の認知機能を維持するためにせん妄を予防することの重要性が強調されます。

キーワード:
股関節骨折術後せん妄認知機能低下高齢者股関節骨折修復術

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科学分野:

  • 老年医学
  • 神経科学
  • 認知健康

背景:

  • せん妄は高齢者の急性認知障害であり、将来の認知機能低下を含む有害な転帰と関連しています。
  • 股関節骨折修復術（HFR）患者は、術後せん妄のリスクがあります。
  • HFR患者におけるせん妄の長期的な認知への影響については、さらなる調査が必要です。

研究 の 目的:

  • 股関節骨折修復術（HFR）を受けた患者における術後せん妄の1年間の認知への影響を決定すること。
  • せん妄は、既存の認知機能障害がない個人と比較して、ベースラインの認知機能障害がない個人に、より大きな認知への影響を与えるという仮説を検証すること。

主な方法:

  • STRIDE試験から得られた200人のHFR患者（65歳以上、MMSE≥15）の認知評価を分析しました。
  • せん妄の状況と臨床的認知症評価（CDR）をコンセンサスパネルによって判定しました。
  • ランダム切片線形スプラインモデルを使用して、ベースライン、1か月、および1年時点でのミニメンタルステート検査（MMSE）スコアの縦断的評価を行いました。

主要な成果:

  • HFR患者の36.5%にせん妄が発生しました。
  • せん妄を経験した患者は、1年間のMMSE低下率が大きく、特にベースラインの認知機能障害がない患者（CDR=0）で顕著でした。
  • せん妄の重症度が高いほど、認知機能が正常なサブグループではMMSEの低下が速いことが相関しました。

結論:

  • 術後せん妄とその重症度は、HFR後の高齢者の認知軌跡に著しく影響します。
  • 認知機能が正常な個人は、せん妄の長期的な認知への影響に対して最も脆弱であるようです。
  • 股関節骨折手術を受けた高齢患者の認知機能を維持するためには、せん妄の予防が重要です。