论文部分内容阅读
目的研究在具有或没有气流受限的现在及既往重度吸烟者中,空气滞留及肺气肿的肺功能损害程度与定量CT测量值之间的关系。方法使用几种可用的定量方法测量的248例受试者(50例正常吸烟者,50例轻度阻塞,50例中
Objective To investigate the relationship between the extent of lung impairment and the quantitative CT measurements of air retention and emphysema in current and former heavy smokers with or without airflow limitation. Methods 248 subjects (50 normal smokers, 50 mild obstructions, and 50 moderately obese subjects) were measured using several available quantitative methods