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Characteristics of Adult Severe Refractory Asthma in Korea Analyzed From the Severe Asthma Registry

Title
Characteristics of Adult Severe Refractory Asthma in Korea Analyzed From the Severe Asthma Registry
Authors
Kim, Min-HyeKim, Sang-HeonPark, So-YoungBan, Ga-YoungKim, Joo-HeeJung, Jae-WooMoon, Ji YongSong, Woo-JungKwon, Hyouk-SooKwon, Jae-WooLee, Jae HyunKang, Hye-RyunPark, Jong-SookKim, Tae-BumPark, Heung-WooYoo, Kwang-HaOh, Yeon-MokKoh, Young-IlJang, An-SooLee, Byung-JaeCho, Young-JooCho, Sang-HeonPark, Hae-SimPark, Choon-SikYoon, Ho JooCho, You Sook
Ewha Authors
조영주김민혜
SCOPUS Author ID
조영주scopus; 김민혜scopus
Issue Date
2019
Journal Title
ALLERGY ASTHMA & IMMUNOLOGY RESEARCH
ISSN
2092-7355JCR Link

2092-7363JCR Link
Citation
ALLERGY ASTHMA & IMMUNOLOGY RESEARCH vol. 11, no. 1, pp. 43 - 54
Keywords
Asthmasevere asthmaregistry
Publisher
KOREAN ACAD ASTHMA ALLERGY &

CLINICAL IMMUNOLOGY
Indexed
SCIE; SCOPUS; KCI WOS scopus
Document Type
Article
Abstract
Purpose: Although mild to moderate asthma is much more common, the morbidity and mortality of severe asthma are much higher. This study was performed to identify and analyze the clinical characteristics of severe asthma in Korea. Methods: We registered patients with severe refractory asthma into the Severe Asthma Registry supported by the Severe Asthma Work Group of the Korean Academy of Asthma, Allergy and Clinical Immunology. Patients were enrolled since 2010 from the 15 university hospitals nationwide in Korea. Severe asthma was defined according to modified European Respiratory Society/American Thoracic Society criteria. Information on demographics, medical history, pulmonary function tests and skin prick tests was collected; the clinical characteristics of severe asthmatics were analyzed from the collected data. Results: A total of 489 patients were enrolled with a mean age of 62.3; 45% are male. Sixty percent of patients received Global Initiative for Asthma step 4 treatment, and 30% received step 5 treatment. The most common comorbidities were allergic rhinitis (58.7%). Aspirin hypersensitivity was observed in 14.0%. Approximately half (53.9%) are non-smokers. Atopy was proven in 38.5% of the patients. Regarding asthma medications, inhaled corticosteroids and long-acting beta-agonist combination inhalers were most commonly prescribed (96.5%), followed by leukotriene antagonists (71.0%). A recombinant anti-immunoglobulin E monoclonal antibody (omalizumab) has been used in 1.8% of the patients. The mean forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1) and FEV1/FVC were 78.7%, 67.5% and 67.9% of predicted values, respectively. The mean Asthma Control Test and quality of life questionnaire scores were 16.5 out of 25 and 59.5 out of 85, respectively. conclusions: The baseline characteristics of severe asthma patients in the Korea Severe Asthma Registry were analyzed and reported for the first time. With this cohort, further prospective studies should be performed to search for ways to improve management of severe refractory asthma.
DOI
10.4168/aair.2019.11.1.43
Appears in Collections:
의료원 > 의료원 > Journal papers
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