分析支气管肺泡灌洗液是了解哮喘呼吸道炎症的重要方法,但儿童患者难以接受,因而寻找一种无创检查方法很重要。 方法 实验组过敏性哮喘儿童66例,其中41例接受类固醇吸入治疗,所有患者病情稳定,不吸烟和未并发感染。对照组为21名健康者。将呼出的气体经过特殊冷凝管。获得的冷凝液用以检验过氧化氢(H_2O_2)水平。 Analysis of bronchoalveolar lavage fluid is an important way to understand the respiratory inflammation of asthma, but it is difficult for children to accept it. Therefore, it is very important to find a non-invasive examination method. Methods Sixty-six children with allergic asthma were included in the experimental group, 41 of whom received inhaled steroids. All patients were stable, non-smoker and uninfected. The control group was 21 healthy people. The exhaled gas through a special condenser. The condensate obtained was used to check the hydrogen peroxide (H 2 O 2) level.