尿素-クレアチニン比率の軌道を用いた慢性重症疾患のサブフェノタイプの特定と検証

Wanting Su¹, Zhigang Cui², Jinhe Sun¹

¹Department of Intensive Care Unit, The First Hospital of China Medical University, Shenyang, Liaoning Province, China.

Clinical nutrition (Edinburgh, Scotland)

|September 2, 2025

まとめ

慢性重症患者 (CCI) の経路は,尿素- クレアチニン比率 (UCR) を用いて3つのサブフェノタイプを特定しました. より高い栄養摂取量により,特に高リスクのUCRグループでは,個別化された栄養戦略が示唆されています.

科学分野:

集中治療薬
腎臓科
代謝に関する研究

背景:

慢性重症病 (CCI) は,重症病棟 (ICU) の大きな課題であり,その特徴は高度な異質性です.
CCIの治療戦略を最適化するために,患者の異質性を理解することは極めて重要です.

研究の目的:

尿素- クレアチニン比率 (UCR) の軌道を用いてCCI患者のサブフェノタイプを開発し,検証する.
特定されたサブフェノタイプにおける医療栄養療法の異質な治療効果を調査する.

主な方法:

3つの重症医療データベースから4047人のCCI患者の遡及分析.
サブフェノタイプ識別と検証のためのUCRデータに適用されたグループベースの軌跡モデリング (GBTM).
死亡率関連と治療効果を評価するために使用される多変量コックス回帰および一般化推定方程式.

主要な成果:

3つの異なるUCR軌道のサブフェノタイプが特定されました. 安定した低,中間,および安定した高.
安定した高サブフェノタイプはICU,病院,28日間の死亡率で最高でした.
診断後5日以内の栄養摂取量の増加は生存率の改善と関連しており,特に中期型および安定型の高いサブフェノタイプで改善された.

結論:

縦横のUCR軌道は,CCI患者の異質性を異なるサブフェノタイプに分類するための堅固なバイオマーカーです.
腸内栄養とタンパク質の摂取量の増加は,CCI患者,特にベースラインのUCRが高く,予後が悪い患者の予後を改善する可能性があります.
これらの発見を検証し,集中治療における個別化された栄養介入を導くために,将来的な研究が必要である.

キーワード:

慢性的な重症グループベースの軌道モデリング医学的な栄養療法サブフェノタイプ尿素とクレアチニンの比率

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