シスタチンCとコントラスト誘発の急性腎臓損傷
Carlo Briguori1, Gabriella Visconti, Natalia V Rivera
1Interventional Cardiology, Clinica Mediterranea, Via Orazio, 2, I-80121, Naples, Italy. carlobriguori@clinicamediterranea.it
Circulation
|May 5, 2010
まとめ
Cystatin C (CyC) は,慢性腎臓病患者のコントラスト誘発性急性腎臓損傷の早期発見のための敏感な方法を提供します. CyCレベルが上昇すると,主要な有害事象が予測され,リスク評価に役立ちます.
科学分野:
- ネフロロジーは腎臓科
- 心臓病学 心臓病学
- 放射線学 放射線学
背景:
- 血清クレアチニン (sCr) は,急性腎機能変化の一般的な,しかし,より敏感なマーカーです.
- シスタチンC (CyC) は,腎機能の急速な変化を検出する際に,より高い感受性を示しています.
研究 の 目的:
- コントラスト誘発性急性腎損傷 (CI-AKI) の早期診断および予後マーカーとしてシスタチンC (CyC) を評価する.
- 慢性腎臓病の患者でアンジオグラフィーや血管新生手術を受けている患者で,CyCと血清クレアチニン (sCr) の予測値を比較する.
主な方法:
- 410人の慢性腎臓病患者のアンジオグラフィー/アンジオプラスティを対象とした研究.
- 基準値のsCr,コントラスト後24時間および48時間の測定;基準値と24時間のCyC測定.
- 12ヶ月後の主要な有害事象 (死亡,透析) の評価.
主要な成果:
- CI-AKI (sCr増加≥0.3 mg/dL) は,患者の8.2%で発生しました.
- 24時間後にCyCが10%増加すると,CI-AKIのリスクのある患者の21.2%が特定されました.
- CyCおよび/またはsCrレベルの上昇は,12ヶ月で重大な有害事象の有意に高い割合と関連していました.
結論:
- シスタチンCは,慢性腎臓病患者のCI-AKIの早期診断のための信頼できるマーカーです.
- CyCは,コントラストメディア曝露後の主要な有害事象のための貴重な予後指標として機能します.
- この発見は,介入性心血管疾患の処置におけるリスクの階層化を高めるためにCyCの使用を支持しています.
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