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Clinical Trial Summary

Air pollution exposure is a major environmental and public health concern. The findings from controlled exposure studies have given biological plausibility to the epidemiological associations, and have defined important pathways that may be amenable to intervention. Ultimately, there is a need to address how one may protect the public from these detrimental effects. Two studies have been performed assessing the cardiovascular effects of wearing a face mask in a highly polluted urban area in China in healthy volunteers and patients with coronary heart disease. These demonstrated lower blood pressure and increased heart rate variability when wearing a face mask as compared to not. The investigators aim to test if wearing a highly efficient face mask during exposure to dilute diesel exhaust abrogates the well-known adverse cardiovascular effects.


Clinical Trial Description

n/a


Study Design

Allocation: Randomized, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor)


Related Conditions & MeSH terms


NCT number NCT02729129
Study type Interventional
Source Umeå University
Contact
Status Completed
Phase N/A
Start date April 2014
Completion date February 2016

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