Association between long-term exposure to ambient air pollution and change in quantitatively assessed emphysema and lung function
Importance While air pollutants at historical levels have been associated with cardiovascular
and respiratory diseases, it is not known whether exposure to contemporary air pollutant
concentrations is associated with progression of emphysema. Objective To assess the
longitudinal association of ambient ozone (O 3), fine particulate matter (PM 2.5), oxides of
nitrogen (NO x), and black carbon exposure with change in percent emphysema assessed
via computed tomographic (CT) imaging and lung function. Design, Setting, and Participants …
and respiratory diseases, it is not known whether exposure to contemporary air pollutant
concentrations is associated with progression of emphysema. Objective To assess the
longitudinal association of ambient ozone (O 3), fine particulate matter (PM 2.5), oxides of
nitrogen (NO x), and black carbon exposure with change in percent emphysema assessed
via computed tomographic (CT) imaging and lung function. Design, Setting, and Participants …
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