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Obstructive Lung Diseases: COPD Phenotypes |

A Distinct Phenotype in Chronic Obstructive Pulmonary Disease: COPD Caused by Biomass Smoke

Dongxing Zhao, MDS; Yumin Zhou, MDS; Changbin Jiang, MDS; Xiaochen Li, MDS; Zhuxiang Zhao, MDS; Fang He, MDS; Sha Liu; Jinding Pu; Pixin Ran, MDS
Author and Funding Information

State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Diseases, First Affiliated Hospital, Guangzhou Medical University, Guangzhou, China


Copyright 2016, American College of Chest Physicians. All Rights Reserved.


Chest. 2016;149(4_S):A399. doi:10.1016/j.chest.2016.02.414
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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.

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