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支气管哮喘患者常在夜间出现咳嗽、胸闷和喘息等症状。若夜间最大呼气流速 (PEF)下降大于 15 % ,至少每周有一次夜间因哮喘症状而醒来即可诊断夜间哮喘 (NA) [1] 。其机制十分复杂 ,治疗也十分棘手。班布特罗是长效的支气管扩张剂 ,文献报道它有改善哮喘患者肺功能的作用[2 ] ,
Patients with bronchial asthma often have symptoms of cough, chest tightness, and wheezing at night. Night nocturnal asthma (NA) can be diagnosed at night if there is a> 15% drop in maximum expiratory flow (PEF) at night, at least once a week because of asthma symptoms. The mechanism is very complex, the treatment is also very difficult. Bambuterol is a long-acting bronchodilator, reported in the literature that it has the effect of improving pulmonary function in patients with asthma [2],