期刊
ARTERIOSCLEROSIS THROMBOSIS AND VASCULAR BIOLOGY
卷 38, 期 6, 页码 1415-1423出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/ATVBAHA.118.310945
关键词
cardiovascular disease; epidemiology; inflammation; leukocyte count; neutrophils
资金
- Chest, Heart, and Stroke Association Scotland [Res16/A165]
- MRC [MR/N015177/1] Funding Source: UKRI
- Medical Research Council [MR/N015177/1] Funding Source: researchfish
Objective Elevated white blood cell count is associated with a higher risk of cardiovascular disease (CVD). We aimed to investigate whether specific leukocyte subpopulations, which may more closely indicate a specific inflammatory pathway, are specifically associated with CVD. Approach and Results Participants (478259) from UK Biobank with data for white blood cell count were included. Death because of CVD (n=1377) and non-CVD causes (n=8987) occurred during median follow-up time of 7.0 years (interquartile range, 6.3-7.6). In Cox models, deciles of leukocyte counts (lymphocytes, monocytes, neutrophils, eosinophils, and basophils) were examined using the fifth decile as the referent group. Models were stratified by sex and adjusted for a range of classical risk factors. A sensitivity analysis excluded participants with baseline comorbidites and the first 2 years of follow-up. Men (hazard ratio [HR], 1.59; 95% confidence interval, 1.22-2.08) and women (HR, 2.15; 95% confidence interval, 1.38-3.35) in the highest decile of neutrophil count were at higher risk of CVD mortality and nonfatal CVD (men HR, 1.28; 95% confidence interval, 1.16-1.42 and women HR, 1.21; 95% confidence interval, 1.06-1.38). In the sensitivity analysis, the power to investigate CVD mortality was limited, but for both sexes combined, the linear HRs for a 1x10(9)/L cell count increase in white blood cell count and neutrophils, respectively, was 1.05 (1.03-1.07) and 1.07 (1.04-1.11). Conclusions Among circulating leukocyte subpopulations, neutrophil count in men was most consistently associated with fatal and nonfatal CVD. Further studies of interventions that lower circulating neutrophils, such as canakinumab, are required to investigate causality.
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