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Systemic Effects of Wood Smoke in a Short-Term Experimental Exposure Study of Atopic Volunteers

Journal article
Authors J. H. Bonlokke
I. S. Riddervold
T. K. Gronborg
K. Skogstrand
D. M. Hougaard
Lars Barregård
T. Sigsgaard
Published in Journal of Occupational and Environmental Medicine
Volume 56
Issue 2
Pages 177-183
ISSN 1076-2752
Publication year 2014
Published at Institute of Medicine, Department of Public Health and Community Medicine, Section of Occupational and environmental medicine
Pages 177-183
Language en
Links dx.doi.org/10.1097/jom.000000000000...
Subject categories Environmental Health and Occupational Health

Abstract

Objective: To investigate whether short-term systemic effects of wood smoke occurred in atopic subjects after experimental wood smoke exposures. Methods: A double-blind climate chamber study was conducted on 20 healthy atopic subjects with exposures to filtered air and wood smoke. Pneumoproteins, coagulation and adhesion factors, and cytokines were measured. Heart rate was monitored with pulse monitors. Data were analyzed with mixed models. Results: Few differences in the outcomes were observed. Plasma tissue factor remained elevated during filtered air exposure (P = 0.002). P-selectin declined independent of exposure (P = 0.0006). Interleukin-6 increased after filtered air (P = 0.03). Conclusions: The study confirmed previous observations among nonatopics of limited changes after a 3-hour wood smoke exposure.

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