Among patients with chronic cough, allergic rhinitis was present in 46.5%, asthma in 31%, and chronic rhinosinusitis in 12.0%.
合并慢性咳嗽的患者中，46.5%的患者诊断为过敏性鼻炎，31%诊断为哮喘，12.0%的患者诊断为慢性鼻窦炎。
These patients of COPD usually have chronic cough, sputum production, air hunger or dyspnea, asthma and chest distress.
临床上多表现为慢性咳嗽、咳痰、气短或呼吸困难、喘息和胸闷。
Objective: To investigate the diagnostic value of bronchial provocation test in patients with chronic cough and cough variant asthma (CVA).
前言：目的：探讨气道反应性测定(支气管激发试验)在慢性咳嗽及咳嗽变异性哮喘诊断中的意义。
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