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近年来,尘源性慢性支气管炎(以下简称尘慢支)已日益受到职业病医生的重视。据报道,接触粉尘作业工人慢性支气管炎患病率,比不接触粉尘工人高10倍以上,并且认为粉尘是诸病原因素中最重要的因素。许多作者认为由粉尘引起的慢性支气管炎应属于尘源性职业病。本病见于接触煤、石英、磨料、水泥、滑石粉、棉花、谷物、面粉、皮毛等粉尘的工人,发病工龄多在10年以上。
In recent years, dust-borne chronic bronchitis (hereinafter referred to as dust slow branch) has increasingly been the attention of occupational disease doctors. It is reported that the prevalence of chronic bronchitis among workers exposed to dust is more than 10 times higher than that of dust-free workers and that dust is considered to be the most important factor among pathogens. Many authors believe that chronic bronchitis caused by dust should be a dust-borne occupational disease. The disease seen in coal, quartz, abrasive, cement, talc, cotton, grain, flour, fur and other dust workers, the onset of more than 10 years of service life.