Article Publish Status: FREE
Abstract Title:

Short-term effects of air pollution on blood pressure.

Abstract Source:

Sci Rep. 2019 Dec 30 ;9(1):20298. Epub 2019 Dec 30. PMID: 31889065

Abstract Author(s):

You-Jung Choi, Sun-Hwa Kim, Si-Hyuck Kang, Sun-Young Kim, Ok-Jin Kim, Chang-Hwan Yoon, Hae-Young Lee, Tae-Jin Youn, In-Ho Chae, Cheol-Ho Kim

Article Affiliation:

You-Jung Choi


Elevated blood pressure (BP) has been proposed as a possible pathophysiological mechanism linking exposure to ambient air pollution and the increased risk of cardiovascular mortality and morbidity. In this study, we investigated the hourly relationship between ambient air pollutants and BP. BP measurements were extracted from the electronic health record database of the Seoul National University Bundang Hospital from February 2015 to June 2017. A total of 98,577 individual BP measurements were matched to the hourly levels of air pollutants. A generalized additive model was constructed for hour lags of 0-8 of air pollutants adjusting for age, sex, meteorological variables, and time trend. Systolic BP was shown to be significantly lower at 2-4 hours and 3-5 hours after increased levels of SOand CO, respectively (0.24 mmHg and 0.26 mmHg for an interquartile range, respectively). In contrast, Oand NOwere associated with significantly increased systolic BP at 3-5 lag hours and at 0-2 lag hours, respectively. BP elevation in association with Oand NOwas shown to be significantly greater in hypertensive patients than normotensive subjects. Our findings suggest that short-term exposure to air pollution may be associated with elevated BP.

Study Type : Human Study

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