SESSION TITLE: COPD Phenotypes
SESSION TYPE: Original Investigation Poster
PRESENTED ON: Saturday, April 16, 2016 at 11:45 AM - 12:45 PM
PURPOSE: To investigate the clinical phenotype in patients with COPD caused by biomass smoke.
METHODS: The subjects were grouped according to the risk factors exposured: ① COPD group caused by biomass smoke (BSCOPD), ② COPD group caused by cigarette smoke (CSCOPD), ③ Normal control group exposed by biomass smoke (BSNormal), ④ Normal control group exposed by cigarette smoke (CSNormal). All subjects completed a questionnaire regarding demographic data, symptoms, and environmental exposure and underwent spirometry, HRCT of the chest, bronchial mucosal biopsies and bronchoalveolar lavage fluid (BALF). The clinical variables of four groups were compared.