血圧,C反応性タンパク質,および将来の心血管疾患のリスク
Gavin J Blake1, Nader Rifai, Julie E Buring
1Center for Cardiovascular Disease Prevention and the Donald W. Reynolds Center for Cardiovascular Research, Boston, Mass, USA. gblake@mater.ie
Circulation
|November 26, 2003
まとめ
高血圧とC反応性タンパク質 (CRP) は,独立して心血管疾患を予測します. 高血圧とCRPを併用すると,心血管疾患のリスクが著しく増加し,心臓の健康に対するそれらの追加的な予後値が強調されます.
科学分野:
- 心血管医学 心血管医学
- 炎症の研究 炎症の研究
- 公衆衛生は公衆衛生である.
背景:
- 新興の証拠は,高血圧と血管の炎症を関連付けています.
- C反応性タンパク質 (CRP) は,心血管疾患に関連する主要な炎症マーカーです.
- 血圧と炎症の相互作用を理解することは,心臓血管リスクの評価に不可欠です.
研究 の 目的:
- 血圧,CRPレベル,および女性における最初の心血管疾患の発生率との関係を調査する.
- CRPが,異なる血圧カテゴリーにおける心血管疾患の漸進的な予後値を提供しているかどうかを判断する.
- 心血管リスクに対する血圧とCRPの結合および独立した貢献を評価する.
主な方法:
- 15,215人の女性を対象とした前向きなコホート研究.
- 血圧とC反応性タンパク質 (CRP) 濃度のベースライン評価.
- 第一次心血管イベントの追跡調査は,平均8.1年にわたって行われました.
- 横断的および見通し分析,危険比率,およびリスク因子調整を含む統計分析.
主要な成果:
- 血圧のカテゴリーの増加とベースラインでのCRPレベルの中央値 (P < 0.0001) の間で有意なポジティブな傾向が観察されました.
- 増加したCRPレベル (≥3 mg/L) と高血圧のカテゴリの両方が,将来の心血管疾患の独立した予測要因でした.
- 高血圧 (≥160/95 mm Hg) と高CRP (≥3 mg/L) の組み合わせは,心血管疾患の危険比率 (8.31) が大幅に増加したとの関連がありました.
- リスク因子調整した分析では,高CRP/低血圧 (HR1.87),低CRP/高血圧 (HR2.54) および高CRP/高血圧 (HR3.27) の添加効果が示されました.
結論:
- 血圧とCRPは,心臓血管リスクの独立した決定因子です.
- 心血管疾患における血圧とCRPの予測値は加算的である.
- 血圧とCRPの両方の測定は,心血管リスクの階層化を高めることができます.
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