Saint Luke's Mid America Heart Institute, MO, USA; University of Missouri-Kansas City, Kansas City, MO, USA.
Novartis Corporation, East Hanover, NJ, USA.
Atherosclerosis. 2017 Nov;266:16-23. doi: 10.1016/j.atherosclerosis.2017.09.019. Epub 2017 Sep 18.
BACKGROUND AND AIMS: While high-sensitivity C-reactive protein (hs-CRP) is a marker of inflammation and higher cardiovascular risk, its association with health status (symptoms, function and quality of life) after acute myocardial infarction (AMI) is unknown. METHODS: Among 3410 patients with AMI from the TRIUMPH (N = 1301) and VIRGO (N = 2109) studies, we compared 1-year generic (Medical Outcome Study Short Form-12 and Euro Quality of Life Visual Analog Scale) and disease-specific (Seattle Angina Questionnaire) health status outcomes in those with hs-CRP ≥2 mg/L vs. <2 mg/L. In hierarchical linear regression models, we examined the association of 30-day hs-CRP levels with 1-year health status without adjustment, after adjusting for 30-day health status, and after adjusting for demographic, socioeconomic, disease severity/comorbidities and treatment characteristics. RESULTS: The median (25th, 75th percentiles) 30-day hs-CRP was 2.6 (1.1, 6.1) mg/L and 59% had hs-CRP ≥2 mg/L. Statin therapy was used in 92% of patients at hospital discharge. Thirty-day hs-CRP ≥2 mg/L was inversely associated with all 1-year health status measures in unadjusted and partially adjusted models, but not in fully-adjusted models. Results were similar when hs-CRP was analyzed as a continuous variable. CONCLUSIONS: While elevated hs-CRP 30 days after AMI was associated with worse health status in unadjusted analyses, this was not significant after adjusting for comorbidities, suggesting that hs-CRP may be a marker of comorbidities associated with worse health status. Whether reducing inflammation in AMI patients will improve health status should be tested in ongoing trials.
背景与目的:虽然高敏 C 反应蛋白(hs-CRP)是炎症和更高心血管风险的标志物,但它与急性心肌梗死(AMI)后健康状况(症状、功能和生活质量)的关系尚不清楚。
方法:在 TRIUMPH(N=1301)和 VIRGO(N=2109)研究的 3410 例 AMI 患者中,我们比较了 hs-CRP≥2mg/L 与<2mg/L 患者在 1 年时通用(医疗结果研究简表 12 项和欧洲生活质量视觉模拟量表)和疾病特异性(西雅图心绞痛问卷)健康状况结局。在分层线性回归模型中,我们在未调整、调整 30 天健康状况后以及调整人口统计学、社会经济状况、疾病严重程度/合并症和治疗特征后,检验了 30 天 hs-CRP 水平与 1 年健康状况的关联。
结果:中位(25 分位、75 分位)30 天 hs-CRP 为 2.6(1.1,6.1)mg/L,59%的患者 hs-CRP≥2mg/L。出院时 92%的患者接受他汀类药物治疗。在未调整和部分调整模型中,30 天 hs-CRP≥2mg/L 与所有 1 年健康状况测量值均呈负相关,但在完全调整模型中则不然。当 hs-CRP 作为连续变量进行分析时,结果相似。
结论:尽管 AMI 后 30 天 hs-CRP 升高与未调整分析中的健康状况较差相关,但在调整合并症后则不显著,提示 hs-CRP 可能是与健康状况较差相关的合并症的标志物。是否在 AMI 患者中降低炎症应在正在进行的试验中进行检验。
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