異常なカルニチン濃度と予後の悪化との関連
Caroline Lauwers1, Lies Langouche1, Fabian Güiza Grandas1
1Clinical Division and Laboratory of Intensive Care Medicine, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, 3000, Belgium.
Critical care (London, England)
|January 22, 2026
まとめ
集中治療を受けている患者の両方の低いおよび高い血漿遊離カルニチンレベルは、回復の遅延や死亡率の増加を含む、より悪い予後と関連しています。これは、カルニチンレベルと患者の生存率との間にU字型の関係があることを示唆しています。
科学分野:
- 生化学
- 集中治療医学
- 栄養科学
背景:
- カルニチンは、ミトコンドリア機能と筋肉のエネルギー代謝において重要な役割を果たしています。
- 重症患者の予後に対するカルニチンレベルの影響はよく理解されていません。
- 遷延性重症における血漿遊離カルニチン濃度の調査は重要です。
主な方法:
- 1600人の患者が参加したEPaNICランダム化比較試験の二次解析。
- ICU 6日目に測定された血漿遊離カルニチン濃度。
- ICU退室、罹患率、死亡率との関連を分析するために使用されたCox比例ハザードモデルおよびロジスティック回帰。
結論:
- ICU 6日目において、低いおよび高い血漿遊離カルニチン濃度の両方が、回復の遅延および罹患率と死亡率の増加と関連しています。
- 血漿遊離カルニチンレベルと重症患者の予後との間にU字型の関係が存在します。
- カルニチンの恒常性は、重症時の最適な回復にとって重要です。
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