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本文对石棉性胸膜病和石棉肺引起的肺功能损害进行了全面调查。从美国20个地区4572名有医学记录的接触石棉工人中选取1298名有标准记录并有石棉性胸膜病或石棉肺者作为观察对象。患者接触石棉至少15年,其中不吸烟者259例、吸烟者969例、曾经吸烟现已戒烟者70例。问诊按DLD-78流行病学标准问卷的项目进行,慢支和哮喘的诊断均按通行标准进行。肺功能测定值经年龄、身高、吸烟年限校正,计算每项指标占预期值的百分比,用Harris法计算肺总量(TLC)。胸片按
This article conducted a comprehensive survey of asbestosis and asbestosis-induced lung function impairment. 1298 patients with asbestosis or asbestosis were selected from 4572 exposed asbestos workers with medical records in 20 districts in the United States. Patients exposed to asbestos for at least 15 years, of which 259 non-smokers, smokers, 969 cases, once smokers have quit smoking in 70 cases. Interview according to DLD-78 epidemiological standard questionnaire project, diagnosis of chronic bronchitis and asthma are based on prevailing standards. Pulmonary function measurements were adjusted for age, height, and length of smoking, and the percentage of each indicator to expected value was calculated. The total lung volume (TLC) was calculated using the Harris method. Chest press