Tuberc Respir Dis > Epub ahead of print
DOI:    [Epub ahead of print]
Published online August 16, 2022.
Respiratory Reviews in Asthma 2022
Ji Hye Lee, M.D.  , Jin-young Kim, M.D., Jae Sung Choi, M.D., Ju Ock Na, M.D. 
Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Choenan, Republic of Korea
Correspondence:  Ju Ock Na, Tel: 82-41-570-3891, Fax: 82-41-570-2848, 
Received: 20 June 2022   • Revised: 2 August 2022   • Accepted: 10 August 2022
Asthma is a chronic inflammatory disease of the airways characterized by varying and recurrent symptoms, reversible airway obstruction, and bronchospasm. In this paper, clinical important studies on asthma published between March 2021 and February 2022 were reviewed. A study on the relationship between asthma and chronic rhinosinusitis, bronchiectasis, and hormone replacement therapy was published. A journal on the usefulness of fractional exhaled nitric oxide for the prediction of severe acute exacerbation was also introduced. Studies on the effect of inhaler, one of the most important treatments for asthma, were published. Studies on the control of severe asthma continued. Phase 2 and 3 studies of new biologics were also published. As the coronavirus disease 2019 (COVID-19) pandemic has been prolonged, many studies have explored the prevalence and mortality of COVID-19 infection in asthma patients.
Key Words: Asthma, Fractional Exhaled Nitric Oxide, COVID-19, Inhaler Therapy, Biologics

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