Spirometric changes in bronchodilation tests as predictors of asthma diagnosis and treatment response in patients with FEV1≥ 80% predicted
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H Hao, W Bao, Y Xue, Y Zhou, Z Huang, D Yin…
The Journal of Allergy …, 2021
Elsevier
Background Many patients with mild asthma are undiagnosed and untreated due to the low diagnostic sensitivity of bronchodilation test (BDT). Objective To investigate whether airway reversibility in BDT and fractional exhaled nitric oxide (F eno) can predict the response to antiasthma therapy (RAT) in patients with suspected asthma. Methods This open-label, prospective cohort study included patients with chronic recurrent asthma symptoms, normal FEV 1, and negative BDT results. Inhaled corticosteroids and long-acting β agonists were …

