不安定性アンギナにおける高C反応性タンパク質の独立した予後値
E R Ferreirós1, C P Boissonnet, R Pizarro
1Servicio de Cardiología, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
Circulation
|November 11, 1999
まとめ
不安定性アンギナ患者のC反応性タンパク質 (CRP) レベルは90日間のリスクを予測します. 退院時に測定されたCRPは,入院時に測定されたCRPよりも,有害な結果のより強力な予測要因であり,リスクの階層化を助けます.
科学分野:
- 心臓病学 心臓病学
- バイオマーカー バイオマーカー
- 炎症 炎症 炎症 炎症 炎症
背景:
- C反応性タンパク質 (CRP) が不安定性アンギナにおいて予後的に重要なことを示唆する証拠が増えています.
- 様々な治療段階における他のマーカーと比較してCRPの独立した予測値は不明である.
- この研究は,不安定性アンギナ患者における血清CRPの入院および90日間の予後的意義を評価することを目的とした.
研究 の 目的:
- 不安定性アンギナにおける血清C反応性タンパク質 (CRP) の予後値を評価する.
- 入院時のCRPレベルと,退院後の90日間の結果の予測能力を比較する.
- この患者集団におけるCRPが独立したリスクマーカーであるかどうかを判断する.
主な方法:
- 194人の不安定なアンギナ患者は,導出 (n=105) と検証 (n=89) のセットで分析されました.
- 血清CRPレベルは,入院,48時間,退院時に測定されました.
- 受信機オペレーター曲線は,有害なアウトカムの最適なCRPカットオフ値である1.5 mg/dLを決定しました.
主要な成果:
- 入院時のCRPと入院時のアウトカムとの間には関連性が見つかりませんでした.
- 入院時のCRPは,臨床的要因に調整され,90日間の有害事象 (難治性心房痛,心筋梗塞,死亡,HR1.9,P=0.002) を予測した.
- 退院後のCRPは,90日間の有害結果 (HR 3.16, P=0.0001) の最も強い独立予測因子であり,検証セット (HR 3.3, P=0.0001) で確認されました.
結論:
- C-反応性タンパク質 (CRP) は,不安定な胸痛における90日間のリスク増加の有意な独立したマーカーです.
- 退院時のCRPレベルは,入院レベルと比較して,後の結果に対する優れた予後値を提供します.
- 退院後のCRP測定は,不安定なアンギナ患者のリスク分層を大幅に高めることができます.
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