在冠状动脉疾病患者中,C-反应蛋白水平升高和内皮血管活性受损
S Fichtlscherer1, G Rosenberger, D H Walter
1Department of Internal Medicine IV, Division of Cardiology, Johann W. Goethe University, Frankfurt, Germany.
Circulation
|August 30, 2000
概括
升高的C-反应蛋白 (CRP) 水平表明系统性炎症,并且与冠状动脉疾病患者的内皮血管功能受损有关. 将CRP水平正常化改善了血流反应,这表明内皮功能障碍的短暂风险因素.
科学领域:
- 心血管医学 心血管医学
- 炎症研究 炎症研究
- 血管生物学 血管生物学
背景情况:
- 血清中C反应蛋白 (CRP) 水平升高是炎症的敏感标志物.
- 炎症与冠状动脉疾病 (CAD) 和内皮功能障碍有关.
- 内皮功能障碍可能导致冠状动脉事件.
研究的目的:
- 测试CRP水平升高与异常的全身内皮血管反应相关的假设.
- 研究男性CAD患者中CRP水平和内皮功能之间的关联.
主要方法:
- 通过使用静脉封闭囊造影的前臂血流来评估血管反应性.
- 测量了依赖内皮质 (乙胆) 和依赖内皮质 (酸) 的反应.
- 分析了来自60名患有血管学证实CAD的男性患者的数据.
主要成果:
- 对乙胆的前臂血流反应与CRP水平相反相关 (r=-0.46,P:=0.001).
- 升高的CRP是内皮血管扩张能力减弱的独立预测因子,即使考虑到经典的CAD风险因素.
- 3个月内CRP水平的正常化与内皮介导的前臂血流的改善有关.
结论:
- 血清中CRP水平升高,表明系统性炎症,与系统性内皮血管扩张功能减弱有关.
- 升高的CRP可能是内皮功能障碍的暂时独立风险因素.
- 将CRP作为炎症标志物与动脉样硬化疾病进展联系起来,可以了解CAD的发病性.
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