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Title: Indoor environmental exposures and exacerbation of asthma: An update to the 2000 review by the institute of medicine
Authors: Watcharoot Kanchongkittiphon
Mark J. Mendell
Jonathan M. Gaffin
Grace Wang
Wanda Phipatanakul
Children's Hospital Boston
Harvard Medical School
Mahidol University
California Department of Health Services
Lawrence Berkeley National Laboratory
American Institutes for Research, Palo Alto
Keywords: Environmental Science
Issue Date: 1-Jan-2015
Citation: Environmental Health Perspectives. Vol.123, No.1 (2015), 6-20
Abstract: © 2014, Public Health Services, US Dept of Health and Human Services. All rights reserved. Background: Previous research has found relationships between specific indoor environmental exposures and exacerbation of asthma.Objectives: In this review we provide an updated summary of knowledge from the scientific literature on indoor exposures and exacerbation of asthma. Methods: Peer-reviewed articles published from 2000 to 2013 on indoor exposures and exacerbation of asthma were identified through PubMed, from reference lists, and from authors’ files. Articles that focused on modifiable indoor exposures in relation to frequency or severity of exacerba-tion of asthma were selected for review. Research findings were reviewed and summarized with consideration of the strength of the evidence.Results: Sixty-nine eligible articles were included. Major changed conclusions include a causal relationship with exacerbation for indoor dampness or dampness-related agents (in children); associations with exacerbation for dampness or dampness-related agents (in adults), endotoxin, and environmental tobacco smoke (in preschool children); and limited or suggestive evidence for associa tion with exacerbation for indoor culturable Penicillium or total fungi, nitrogen dioxide, rodents (nonoccupational), feather/down pillows (protective relative to synthetic bedding), and (regardless of specific sensitization) dust mite, cockroach, dog, and dampness-related agents.Discussion: This review, incorporating evidence reported since 2000, increases the strength of evidence linking many indoor factors to the exacerbation of asthma. Conclusions should be considered provisional until all available evidence is examined more thoroughly.Conclusion: Multiple indoor exposures, especially dampness-related agents, merit increased attention to prevent exacerbation of asthma, possibly even in nonsensitized individuals. Additional research to establish causality and evaluate interventions is needed for these and other indoor exposures.
ISSN: 15529924
Appears in Collections:Scopus 2011-2015

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