慢性支气管炎、支气管哮喘是呼吸道最常见的疾病,当其伴有不可逆的气流阻塞时以及由此导致的慢性阻塞性肺气肿,医学上将其统称为慢性阻塞性肺疾病,简称慢阻肺(即COPD)。其三大特征为气道慢性非特异性炎症、气道高反应性以及气道重构。医学研究发现由于病人气管的炎症反复出现甚 Chronic bronchitis, bronchial asthma is the most common respiratory diseases, when accompanied by irreversible airflow obstruction and the resulting chronic obstructive pulmonary emphysema, medically referred to as chronic obstructive pulmonary disease, referred to as COPD (Ie COPD). The three major features are chronic nonspecific airway inflammation, airway hyperresponsiveness, and airway remodeling. Medical studies have found that due to repeated inflammation of the patient’s trachea