Effects of exposure to ambient particulate matter and polycyclic aromatic hydrocarbons on oxidative stress biomarkers in the patients with chronic obstructive pulmonary disease
Objective: To investigate the effects of exposure to ambient particulate matter( PM) and polycyclic aromatic hydrocarbons( PAHs) on systemic oxidative stress biomarkers in chronic obstructive pulmonary disease( COPD) patients. Methods: A panel of forty-five diagnosed and stable COPD patients,whose residences were within 5 kilometers from Peking University Health Science Center( PKUHSC),were recruited and followed up twice between November 2014 and May 2015. The lung function index percentage of forced expir...