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四个县医院、两个卫生研究单位共同组成研究组调查了农村中的呼吸器官疾患。呼吸器官疾患受气候、水土、农业生产条件及生活环境的影响,故调查中注意了地区特点,从北方到南方各地区均选有调查点进行了抽样调查。慢性气管炎的诊断,采用了Fletcher的标准(注:即一年中有三个月以上每日咳嗽、咯痰持续二年以上者诊断为慢性气管炎)。支气管喘息及肺气肿则采用了美国胸科学会的诊断标准。三个县医院的住院病例分析,不同地区呼吸器官疾病所占的比例为7～17%。其中慢性闭塞性呼吸器官疾患(注:为包括慢性支气管炎、支
Four county hospitals and two health research units jointly formed a research group to investigate the respiratory disorders in rural areas. Respiratory disorders due to climate, water and soil, agricultural production conditions and living environment, so pay attention to the characteristics of the survey area, from the north to the south of the selected survey points were sampled. Chronic bronchitis is diagnosed using the Fletcher’s standard (Note: a daily cough over three months in a year, expectoration for more than two years diagnosed as chronic bronchitis). Bronchial wheezing and emphysema are used by the American Thoracic Society diagnostic criteria. Analysis of inpatient cases in three county hospitals showed that respiratory diseases accounted for 7-17% of cases in different regions. Of which chronic obstructive respiratory disease (Note: To include chronic bronchitis, branch