volume 27, issue 6, P479-485 2006
DOI: 10.2500/aap.2006.27.2884
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Abstract: Cough due to cough-variant asthma (CVA) responds well to bronchodilators such as beta 2 adrenergic agonists. The aim of this study was to assess longitudinal changes of pulmonary function and bronchial responsiveness in CVA, which was treated with bronchodilators alone. Seventeen CVA patients recorded intensity and frequency of cough every day. Spirometry and provocative concentration of methacholine causing a 20% fall in forced expiratory volume in 1 second (PC20) were measured in the run-in period and after …

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