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慢性阻塞性肺疾病(chronic obstructive pulmonary diseases,COPD)是一种具有气流受限特征的可以预防和治疗的疾病,呈进行性发展,与肺部对香烟烟雾等有害气体或有害颗粒的异常炎症反应有关。COPD在我国40岁以上人群的总患病率为
Chronic obstructive pulmonary disease (COPD) is a preventable and treatable disease characterized by airflow limitation that develops in a progressive manner that is associated with the abnormal inflammatory response of lungs to harmful gases or harmful particles such as cigarette smoke related. The total prevalence of COPD in people over the age of 40 in our country is