社会心理的
红细胞压积
平均红细胞体积
医学
四分位间距
平均红细胞血红蛋白浓度
血小板
血红蛋白
内科学
精神科
作者
Wanzhou Wang,Tongjun Guo,Huaqi Guo,Xi Chen,Yu Ma,Hongkui Deng,Hengyi Yu,Qiao Chen,Hongyu Li,Qisijing Liu,Anqi Shan,Yaoyan Li,Bo Pang,Jiazhang Shi,Xinmei Wang,Juan Chen,Furong Deng,Zhiwei Sun,Xinbiao Guo,Yan Wang,Naijun Tang,Shaowei Wu
标识
DOI:10.1016/j.envres.2022.112932
摘要
The associations between particulate matter (PM) exposure, psychosocial stress and blood cell parameters are bringing novel insights to characterize the early damage of multiple diseases. Based on two studies conducted in three Chinses cities using cross-sectional (Beijing, 425 participants) and panel study (Tianjin and Shanghai, 92 participants with 361 repeated measurements) designs, this study explored the associations between short-term exposure to ambient PM and blood cell parameters, and the effect modification by psychosocial stress. Increasing PM2.5 exposure was significantly associated with decreases in red blood cell (RBC) count and mean corpuscular hemoglobin concentration (MCHC), and increases in mean corpuscular volume (MCV), platelets count (PLT) and platelet hematocrit (PCT) in both studies. For instance, a 10 μg/m3 increment in PM2.5 concentration was associated with a 1.04% (95%CI: 0.16%, 1.92%) increase in PLT (4-d) and a 1.09% (95%CI: 0.31%, 1.87%) increase in PCT (4-d) in the cross-sectional study, and a 0.64% (95%CI: 0.06%, 1.22%) increase in PLT (1-d) and a 0.72% (95%CI: 0.33%, 1.11%) increase in PCT (1-d) in the panel study, respectively. In addition, stronger increases in MCV, PLT, and PCT associated with PM2.5 exposure were found in higher psychosocial stress group compared to lower psychosocial stress group (p for interaction <0.10), indicating that blood cell parameters of individuals with higher psychosocial stress might be more susceptible to the early damages of PM2.5 exposure.
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