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我院肺功能室于 1999～ 2000年测定下，以探讨慢性阻塞性肺气肿 (简称肺气肿 )患者弥散量的改变。1 资料与方法 病例选择：根据 1992年全国慢性支气管炎及肺气肿诊断标准，选择肺气肿 30例，男 23例，女 7例，年龄 52～ 72岁，平均 62岁，正常人 (临床上无重要心肺疾患者 )30例
Lung function room in our hospital from 1999 to 2000 under the test to explore the dispersion of patients with chronic obstructive pulmonary emphysema (emphysema) changes. 1 Materials and Methods Case Selection: According to the 1992 national chronic bronchitis and emphysema diagnostic criteria, select 30 cases of emphysema, 23 males and 7 females, aged 52 to 72 years, mean 62 years, normal (clinical No important cardiopulmonary disease) in 30 cases