The impact of dysfunctional breathing on the level of asthma control in difficult asthma
Respiratory Medicine Feb 16, 2020
Sedeh FB, Von Bülow A, Backer V, et al. - Given discrimination of severe asthma from difficult-to-treat asthma requires systematic evaluation, and dysfunctional breathing (DB) represents common comorbidity in difficult asthma, which may add to symptoms, but there is a lack of clarity regarding how it influences commonly employed measures of symptom control, and to shed light on this subject, researchers undertook this analysis. The prospective screening was performed among all adult asthma patients examined in 4 respiratory clinics over one year. A systematic evaluation was carried out among patients with possible severe asthma as per ERS/ATS criteria (‘Difficult asthma’: high–dose inhaled corticosteroids/oral corticosteroids). This study included 117 patients, including 29.9% (35/117) with DB according to the Nijmegen questionnaire. Findings revealed that patients with difficult asthma commonly developed DB, and DB was related to significantly poorer asthma control and lower quality of life. A crucial component of the management of difficult asthma is the evaluation and treatment of DB.
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