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慢性气管炎是一种常见病、多发病,由于它发病率高,病程长,往往影响肺功能,并发严重肺气肿、肺源性心脏病等,因而,也是严重影响生产及危及生命的病。据报导,英国每年因慢性气管炎而死亡的达三万人,占全部死亡人数的10％。1969年日本统计,慢性气管炎是该国引起死亡的十大原因之一,发病者在劳动人民中尤为常见。慢性气管炎的预后是严重的。有人对175例慢性患者追查了9～10年,尽管使用了所谓现代化治疗,结果生存者仅29人;又有人观察中度和重度的慢性气管炎患者,4～5年后的生存率仅50％。近年来,国外一些学者,进行了一些有关病因、诊断方面的研究,但迄今对本病的
Chronic bronchitis is a common disease, frequently-occurring disease, due to its high incidence, long duration, often affect lung function, complicated by severe emphysema, pulmonary heart disease, etc., and thus also seriously affect the production and life-threatening diseases . According to reports, up to 30,000 people die each year from chronic bronchitis in the United Kingdom, accounting for 10% of all deaths. 1969 Japan statistics, chronic bronchitis is one of the top ten causes of death in the country, the incidence is particularly common among working people. The prognosis of chronic bronchitis is serious. Some 175 of the chronic patients were traced for 9 to 10 years, despite the use of the so-called modern treatment, the result of only 29 survivors; others were observed in moderate and severe chronic bronchitis, 4-5 years after the survival rate of only 50 %. In recent years, some foreign scholars, conducted some research on the cause, diagnosis, but so far the disease