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最新的抽样流行病学调查研究资料表明,我国40岁以上人群慢性阻塞性肺病(chronicobstructivepulmonarydis ease,COPD)的患病率为8.2%[1]。由于本病呈慢性进展,最终导致呼吸衰竭,严重影响患者的生活质量,甚至威胁生命。在COPD病程进展中,反复出现的急性发作对肺功能损害速度的影
The latest sampling epidemiological survey data show that the prevalence of chronic obstructive pulmonary disease in our population over the age of 40 (8.2%) [1]. As the disease is chronic progression, eventually leading to respiratory failure, seriously affecting the quality of life of patients, and even life-threatening. In the course of COPD disease, repeated episodes of acute attack of pulmonary function damage speed