许多肺部疾病包括支气管哮喘 (简称哮喘 )、慢性阻塞性肺疾病 (COPD)、支气管扩张和间质性肺疾病等 ,都与气道慢性炎症和氧化应激反应有关 ,对于气道炎症的监测和治疗 ,一直是世界各国学者普遍关注的问题。在临床实践中 ,可供选择直接监测气道炎症反应的程度及对治疗效果评价的 Many lung diseases, including bronchial asthma (referred to as asthma), chronic obstructive pulmonary disease (COPD), bronchiectasis and interstitial lung disease, are related to chronic airway inflammation and oxidative stress response, the monitoring of airway inflammation And treatment have always been the common concerns of scholars all over the world. In clinical practice, the choice of direct monitoring of the degree of airway inflammation and evaluation of the therapeutic effect