早期の24時間における全身免疫炎症指数の変化は,ICU患者の急性腎臓損傷と死亡率を予測する
Fei Gao1, Lan Yang1, Yizhe Chen1
1Department of Critical Care Medicine, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Nanjing, China.
Emergency medicine international
|August 28, 2025
まとめ
早期の全身免疫炎症指数 (SII) の変化は,重症患者の急性腎臓損傷 (AKI) と死亡率を予測する. ダイナミックなSII指標,特に24時間の傾きは,より良い患者の結果のためにリスクの階層化を高めます.
科学分野:
- クリティカル ケア 医療
- 腎臓科
- 免疫学
背景:
- 急性腎損傷 (AKI) と死亡率は,重症患者の重要な懸念事項です.
- これらの結果を予測するモデルには 精度が高くなるため 改善が必要になります
研究 の 目的:
- システム免疫炎症指数 (SII) の早期動的変化が,集中治療室 (ICU) の患者におけるAKIと1年死亡率の予測を改善するかどうかを調査する.
- リスクの階層化を改善するために,SIIメトリクスを含む予後ノモグラムを開発し,検証する.
主な方法:
- MIMIC- IVデータベースから17, 491人のICU入院者を対象とした遡及コホート研究.
- 最初の24時間以内に3つのSIIメトリックの計算:24時間SII_slope,SII_min,SII_max.
- 死亡率のAKI予測とコックスモデルのためのLASSO選択のロジスティック回帰の使用,ノモグラム開発と性能評価 (AUC,校正,DCA) と並行して.
主要な成果:
- より急な24時間のSII_slopeは,AKIの独立した予測因子として識別された (AUC 0. 739).
- SII_minとSII_maxの上昇は,1年生存率の低下と関連していた (SII_min四分位数ではログランクp=0. 047).
- 開発されたノモグラムは,良好な校正と臨床的有用性を持つ1年死亡率 (AUC 0. 823) の優れた差別を示した.
結論:
- SIIの初期動的変化,特に24時間の傾斜と最初の日の極端は,独立してICU患者のAKIと長期の死亡率を予測します.
- 標準的な重度スコアとSIIメトリックを統合したノモグラムは,重症治療施設における個別化されたリスクの階層化のための貴重なツールを提供します.
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