Dataset Information

Exposure to Ambient Particulate Matter Is Associated With Accelerated Functional Decline in Idiopathic Pulmonary Fibrosis.

ABSTRACT:

Background

Idiopathic pulmonary fibrosis (IPF), a progressive disease with an unknown pathogenesis, may be due in part to an abnormal response to injurious stimuli by alveolar epithelial cells. Air pollution and particulate inhalation of matter evoke a wide variety of pulmonary and systemic inflammatory diseases. We therefore hypothesized that increased average ambient particulate matter (PM) concentrations would be associated with an accelerated rate of decline in FVC in IPF.

Methods

We identified a cohort of subjects seen at a single university referral center from 2007 to 2013. Average concentrations of particulate matter < 10 and < 2.5 ?g/m³ (PM₁₀ and PM_2.5, respectively) were assigned to each patient based on geocoded residential addresses. A linear multivariable mixed-effects model determined the association between the rate of decline in FVC and average PM concentration, controlling for baseline FVC at first measurement and other covariates.

Results

One hundred thirty-five subjects were included in the final analysis after exclusion of subjects missing repeated spirometry measurements and those for whom exposure data were not available. There was a significant association between PM₁₀ levels and the rate of decline in FVC during the study period, with each ?g/m³ increase in PM₁₀ corresponding with an additional 46 cc/y decline in FVC (P = .008).

Conclusions

Ambient air pollution, as measured by average PM₁₀ concentration, is associated with an increase in the rate of decline of FVC in IPF, suggesting a potential mechanistic role for air pollution in the progression of disease.

SUBMITTER: Winterbottom CJ

PROVIDER: S-EPMC6026290 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Exposure to Ambient Particulate Matter Is Associated With Accelerated Functional Decline in Idiopathic Pulmonary Fibrosis.

Winterbottom Christopher J CJ Shah Rupal J RJ Patterson Karen C KC Kreider Maryl E ME Panettieri Reynold A RA Rivera-Lebron Belinda B Miller Wallace T WT Litzky Leslie A LA Penning Trevor M TM Heinlen Krista K Jackson Tara T Localio A Russell AR Christie Jason D JD

Chest 20170809 5

<h4>Background</h4>Idiopathic pulmonary fibrosis (IPF), a progressive disease with an unknown pathogenesis, may be due in part to an abnormal response to injurious stimuli by alveolar epithelial cells. Air pollution and particulate inhalation of matter evoke a wide variety of pulmonary and systemic inflammatory diseases. We therefore hypothesized that increased average ambient particulate matter (PM) concentrations would be associated with an accelerated rate of decline in FVC in IPF.<h4>Methods ...[more]

PMID: 28802694

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Dataset Information

Exposure to Ambient Particulate Matter Is Associated With Accelerated Functional Decline in Idiopathic Pulmonary Fibrosis.

Background

Methods

Results

Conclusions

Publications

Exposure to Ambient Particulate Matter Is Associated With Accelerated Functional Decline in Idiopathic Pulmonary Fibrosis.

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