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. 1989 Feb;79:179–185. doi: 10.1289/ehp.8979179

Acute lung function responses to ambient acid aerosol exposures in children.

M E Raizenne 1, R T Burnett 1, B Stern 1, C A Franklin 1, J D Spengler 1
PMCID: PMC1567579  PMID: 2707197

Abstract

We examined the relationship between lung function changes and ambient acid aerosol episodes in children attending a residential summer camp. Young females (112) performed daily spirometry, and 96 were assessed on one occasion for airway hyperresponsiveness using a methacholine bronchoprovocation test. Air quality measurements were performed on site and four distinct acid aerosol episodes were observed during the 41-day study. The maximum values observed during the 41-day study were: O3 at 143 ppb; H2SO4 at 47.7 micrograms/m3; and [H+] at 550 nmole/m3. Maximum decrements of 3.5 and 7% for FEV1 and PEF, respectively, were observed to be associated with the air pollution episodes. There was some evidence of a differential lung function response to the episodes where children with a positive response to a methacholine challenge had larger decrements compared to their nonresponsive counterparts.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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