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However, airway remodeling and inflammation have not been extensively investigated in relation to both symptom control and airflow obstruction in severe asthmatics. We aimed to investigate several inflammatory and structural pathological features in bronchial biopsies of severe asthmatics that could be related to symptom control and airflow obstruction after standardized treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Fifty severe asthmatics received prednisone 40 mg\/d for 2 weeks and maintenance therapy with budesonide\/formoterol 400\/12 \u03bcg twice daily + budesonide\/formoterol 200\/6 \u03bcg as needed for 12 weeks. Endobronchial biopsies were performed at the end of 12 weeks. We performed extensive immunopathological analyses of airway tissue inflammation and remodeling features in patients stratified by asthma symptom control and by airflow obstruction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Airway tissue inflammation and remodeling were not associated with symptom control. Asthmatics with persistent airflow obstruction had greater airway smooth muscle (Asm) area with decreased periostin and transforming growth factor beta\u2010positive cells within Asm bundles, in addition to lower numbers of chymase\u2010positive mast cells in the submucosa compared to patients with nonpersistent obstruction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Symptom control in severe asthmatics was not associated with airway tissue inflammation and remodeling, although persistent airflow obstruction in these patients was associated with bronchial inflammation and airway structural changes.<\/jats:p><\/jats:sec>","DOI":"10.1111\/all.13323","type":"journal-article","created":{"date-parts":[[2017,9,28]],"date-time":"2017-09-28T15:38:29Z","timestamp":1506613109000},"page":"635-643","source":"Crossref","is-referenced-by-count":39,"title":["Airway pathology in severe asthma is related to airflow obstruction but not symptom control"],"prefix":"10.1111","volume":"73","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6086-835X","authenticated-orcid":false,"given":"D. 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