Effects of long-term exposure to ambient fine particulate matter and its specific components on blood pressure and hypertension incidence

Fu, Li; Guo, Yanfei; Zhu, Qijiong; Chen, Zhiqing; Yu, Siwen; Xu, Jiahong; Tang, Weiling; Wu, Cuiling; He, Guanhao; Hu, Jianxiong; Zeng, Fangfang; Dong, Xiaomei; Yang, Pan; Lin, Ziqiang; Wu, Fan; Liu, Tao; Ma, Wenjun

doi:10.1016/j.envint.2024.108464

Cited by 5 publications

(1 citation statement)

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“…It also has been suggested that air pollution and cigarette smoking may affect cardiovascular health through the same pathways [ 45 ]. Therefore, additional exposure to smoking may enhance the effect of PM 2.5 on hypertension incidence, which may also partially explain the greater effects of PM 2.5 in males, as the smoking prevalence is much higher in Chinese males than females (54.5% vs. 3.7%, P < 0.001) [ 46 ]. Lastly, a fraction of the total effect of ambient PM on cardiovascular mortality may be mediated through sustained long-term effects of air pollution on atherosclerosis.…”

Section: Discussionmentioning

confidence: 99%

Sex differences and dietary patterns in the association of air pollutants and hypertension

Zhang,

Wang,

Xie

et al. 2024

BMC Public Health

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Background Hypertension is one of the major public health problems in China. Limited evidence exists regarding sex differences in the association between hypertension and air pollutants, as well as the impact of dietary factors on the relationship between air pollutants and hypertension. The aim of this study was to investigate the sex-specific effects of dietary patterns on the association between fine particulate matter (PM2.5), ozone(O3) and hypertension in adults residing in Jiangsu Province of China. Methods A total of 3189 adults from the 2015 China Adult Chronic Disease and Nutrition Surveillance in Jiangsu Province were included in this study. PM2.5 and O3 concentrations were estimated using satellite space-time models and assigned to each participant. Dietary patterns were determined by reduced rank regression (RRR), and multivariate logistic regression was used to assess the associations of the obtained dietary patterns with air pollutants and hypertension risk. Results After adjusting for confounding variables, we found that males were more sensitive to long-term exposure to PM2.5 (Odds ratio (OR) = 1.42 95%CI:1.08,1.87), and females were more sensitive to long-term exposure to O3 (OR = 1.61 95%CI:1.15,2.23). Traditional southern pattern identified through RRR exhibited a protective effect against hypertension in males (OR = 0.73 95%CI: 0.56,1.00). The results of the interaction between dietary pattern score and PM2.5 revealed that adherence to traditional southern pattern was significantly associated with a decreased risk of hypertension in males (P < 0.05), while no significant association was observed among females. Conclusions Our findings suggested that sex differences existed in the association between dietary patterns, air pollutants and hypertension. Furthermore, we found that adherence to traditional southern pattern may mitigate the risk of long-term PM2.5 exposure-induced hypertension in males.

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Section: Discussionmentioning

confidence: 99%