持续性克拉米迪亚肺炎感染,自身免疫和炎症对冠状动脉风险的协同效应
Tiina Huittinen1, Maija Leinonen, Leena Tenkanen
1National Public Health Institute, Aapistie 1, PO box 310, FIN-90101 Oulu, Finland. tiina.huittinen@ktl.fi
Circulation
|May 14, 2003
概括
对Chlamydia pneumoniae和人体热冲击蛋白60持续升高的抗体,特别是高C反应蛋白,在中年男性中显著增加冠状动脉事件风险.
科学领域:
- 心血管研究研究心血管研究
- 免疫学 免疫学 免疫学
- 传染性疾病 传染性疾病
背景情况:
- 动脉样硬化与慢性感染,自身免疫和炎症有关.
- 克拉米迪亚肺炎感染,人体热冲击蛋白60 (hHsp60) 抗体和C反应蛋白 (CRP) 对冠状动脉风险的综合影响需要研究.
研究的目的:
- 评估慢性冠状病毒肺炎感染,持续升高的hHsp60抗体和CRP对冠状动脉风险的联合影响.
主要方法:
- 在赫尔辛基心脏研究中的潜在嵌套病例控制研究.
- 来自4081名失脂症男性的血清样本分析C. pneumoniae抗体,hHsp60抗体和CRP水平.
- 冠状动脉事件 (非致命的心肌梗塞或冠状动脉死亡) 被追踪了8.5年.
主要成果:
- 对C. pneumoniae或hHsp60持续升高的IgA抗体单独增加了冠状动脉事件的风险 (OR 1.96-2.11).
- 当抗体升高与CRP升高 (OR 4.36-4.47) 相结合时,风险明显更高.
- 持续升高的标志物,而不是短暂的标志物,与风险增加有关.
结论:
- 持续升高的C.肺炎和hHsp60 IgA抗体可以预测冠状动脉事件.
- 当这些抗体与CRP水平升高一起存在时,预测值会显著放大.
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