作者: Russell P. Bowler , , Nadia N Hansel , Sean Jacobson , R. Graham Barr
DOI: 10.1007/S11606-017-4150-7
关键词: Former Smoker 、 Electronic cigarette 、 Demography 、 Cohort study 、 Bronchitis 、 Nicotine 、 Chronic bronchitis 、 Medicine 、 Smoking cessation 、 COPD
摘要: Electronic cigarettes (e-cigarettes) are battery-operated nicotine-delivery devices used by some smokers as a cessation tool well never smokers. To determine the usage of e-cigarettes in older adults at risk for or with chronic obstructive pulmonary disease (COPD). Prospective cohorts. COPDGene (N = 3536) and SPIROMICS (N = 1060) subjects who were current former aged 45–80. Participants surveyed to whether e-cigarette use was associated longitudinal changes COPD progression smoking habits. From 2010 2016, participants had ever steadily increased 12–16%, but from 2014 2016 stable ~5%. E-cigarette African-Americans (AA) whites similar; however, AA 1.8–2.9 times likely menthol-flavored e-cigarettes. Current conventional cigarette users higher nicotine dependence consumed more than those smoked only cigarettes. heavier history worse respiratory health, less reduce quit smoking, dependence, report bronchitis exacerbations. Ever rapid decline lung function, this trend did not persist after adjustment persistent smoking. use, which is common COPD, pulmonary-related health outcomes, Although an observational study, we find no evidence supporting harm reduction strategy among COPD.