原因不明の病院内発熱におけるセプシススクリーニングツール,プロカルシトニン,C反応性タンパク質の診断的有用性
Shashikant Saini1, Sapna Pahil2, Ritin Mohindra1
1Department of Internal Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India.
World journal of critical care medicine
|August 29, 2025
まとめ
プロカルシトニン (PCT) やC反応性タンパク質 (CRP) のような毒性スクリーニングツールとバイオマーカーは,重症の成人の病院発熱 (nFUO) の感染原因の診断に限られた正確性を示しています. これらのマーカーは,初期臨床決定の唯一の根拠であるべきではありません.
科学分野:
- クリティカル ケア 医療
- 感染症
- 診断 の 正確 さ
背景:
- 原因不明の鼻腔熱 (nFUO) は,様々な原因で診断に困難を伴う.
- nFUOのセプシススクリーニングツールとバイオマーカーの診断性能に関する証拠は限られている.
- 感染性の原因と非感染性の原因を正確に区別することは,適切な管理に不可欠です.
研究 の 目的:
- 一般的なセプシススクリーニングツールとバイオマーカーの診断的有用性を評価する.
- これらのマーカーが,重症な成人におけるnFUOの感染症と非感染症の原因を区別できるかどうかを判断する.
- 発熱時のパフォーマンスを評価する.
主な方法:
- 急性治療の緊急医療科での見通し観察研究
- nFUOのDurackとStreetの基準を満たす患者の含有
- ROC曲線解析を用いたセプシススクリーニングツール (SIRS,SOFA,qSOFA,NEWS,MEWS) とバイオマーカー (PCT,CRP) の評価
主要な成果:
- セプシス・ツールは診断の精度が低い (AUCは0. 5に近い).
- プロカルシトニン (PCT) の性能は控えめで (AUC=0. 61) C反応性タンパク質 (CRP) は非感染性症例では高かった (AUC=0. 45).
- 感染症の原因 (肺炎,血流感染症) と非感染症の原因 (中央熱,血栓炎) が特定され,18. 8%が診断されなかった.
結論:
- セプシススクリーニングツール,PCT,CRPは,重症成人における感染性nFUOの特定に限られた価値があります.
- これらのマーカーだけでは,初期診断と治療の決定を導くには不十分です.
- より効果的な診断戦略を特定するためにさらなる研究が必要かもしれません.
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