Journal
CHINA CDC WEEKLY
Volume 3, Issue 45, Pages 948-953Publisher
Chinese Center for Disease Control and Prevention
DOI: 10.46234/ccdcw2021.231
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Funding
- National Key Research and Development Program of China [2016YFC0206503]
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This study found that short-term PM2.5 exposure is associated with elevations and variability in blood pressure, and that the circadian rhythm of blood pressure and blood pressure load in hypertensive patients are influenced by different blood pressure statuses or medication.
What is already known about this topic? Short-term PM2.5 exposure has been associated with hourly, 24-hour, daytime, and nighttime blood pressure (BP) levels, and further studies focusing whether and how the associations with other ambulatory BP monitoring indicators are warranted. What is added by this report? This study observed that short-term PM2.5 exposure was associated with BP elevations and was the first to report the associations of short-term PM2.5 exposure with BP variability. Circadian rhythm of BP and BP load among hypertensive patients were found to be modified by controlled BP status or taking angiotensin receptor blockers (ARBs). What are the implications for public health practice? This study suggested that antihypertensive therapy, especially with well-controlled BP status may be potential measurements to attenuate adverse impacts of PM2.5 for hypertensive patients with intermediate-to high risk of cardiovascular disease (CVD).
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