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臨床症状

Eunsun Gill1, Flor Alvarado2, David J Libon3,4

  • 1Celia Scott Weatherhead Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, USA.

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まとめ
この要約は機械生成です。

腎機能低下の軌跡(高値・低値ともに)は、中年期の認知機能低下と関連していた。推定糸球体濾過量(eGFR)を安定して維持することは、成人期を通じて認知機能を保つために極めて重要である。

キーワード:
腎機能低下認知機能中年期成人期腎臓の健康

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科学分野:

  • 腎臓病学; 神経学; 老年医学

背景:

  • 推定糸球体濾過量(eGFR)は、認知機能(CF)と非線形の関連を示す。
  • eGFR軌跡の長期的な影響は、中年期の認知機能については十分に調査されていない。
  • 本研究では、ボガルーサ・ハート・スタディ(BHS)のデータを使用して、この関連性を調査する。

研究 の 目的:

  • 成人期を通じた異なるeGFR軌跡と中年期の認知機能との関連を調査すること。
  • eGFR変化の経時的パターンとその様々な認知領域との相関を特定すること。

主な方法:

  • 潜在クラス成長分析により、成人期のクレアチニン測定値が複数あるBHS参加者721名を対象に、3つのeGFR軌跡クラスを同定した。
  • 認知機能は、記憶、ワーキングメモリ、注意、処理速度のテストを用いて評価され、全体的なCFはスコアの平均化によって算出された。
  • 多変量回帰分析は、eGFR軌跡とCFとの関連を決定するために、人口統計学的および臨床的要因を調整して行われた。

主要な成果:

  • 推定糸球体濾過量(eGFR)の軌跡は、「高値で安定した下降傾向」(46.7%)、「上昇から下降への傾向」(28.7%)、「低値で安定した下降傾向」(24.4%)の3つが同定された。
  • 高値で安定した下降傾向と低値で安定した下降傾向のeGFR軌跡は、上昇から下降への傾向と比較して、有意に低い全体的な認知機能と関連していた。
  • エピソード記憶、ワーキングメモリ、注意、およびグラフモーター情報処理速度(GIPS)を含む特定の認知領域は、両方の下降eGFR傾向によって悪影響を受けた。

結論:

  • 成人期におけるeGFRの下降傾向(高値・低値ともに安定したもの)は、中年期における全体的な認知機能および特定の認知領域の低下と関連していた。
  • 上昇から下降へのeGFR軌跡は、持続的な下降傾向と比較して、より良好な認知転帰と関連していた。
  • これらの発見は、生涯を通じて認知機能を維持するために、安定した腎機能を維持することの重要な役割を強調している。