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논문 기본 정보

자료유형
학술저널
저자정보
Lee Ji-Hyang (Division of Allergy and Clinical Immunology Department of Internal Medicine Asan Medical Center Uni) Kim Hyo-Jung (Department of Internal Medicine Inje University of College of Medicine Haeundae Paik Hospital Busan) Park Chan Sun (Department of Internal Medicine Inje University of College of Medicine Haeundae Paik Hospital Busan) Park So Young (Department of Internal Medicine Eulji General Hospital Seoul Korea.) Park So-Young (Division of Pulmonology Allergy and Critical Care Medicine Department of Internal Medicine Chung-An) Lee Hyun (Department of Internal Medicine Hanyang University College of Medicine Seoul Korea.) 김상헌 (Department of Internal Medicine Hanyang University College of Medicine Seoul Korea.) Cho You Sook (Division of Allergy and Clinical Immunology Department of Internal Medicine Asan Medical Center Uni)
저널정보
대한천식알레르기학회(구 대한알레르기학회) Allergy, Asthma & Immunology Research Allergy, Asthma & Immunology Research Vol.14 No.4
발행연도
2022.7
수록면
412 - 423 (12page)
DOI
10.4168/aair.2022.14.4.412

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Purpose: Oral corticosteroids (OCS) are commonly used in patients with severe asthma, but they are associated with several adverse events. We estimated the prevalence of patients with OCS-dependent asthma in a large nationwide registry for severe asthma and delineated their clinical characteristics. Methods: This cross-sectional study analyzed enrollment data of the patients recruited in the Korean Severe Asthma Registry (KoSAR) from 2010 to 2019. The clinical characteristics of patients were compared according to OCS dependency, which was defined as maintenance OCS treatment lasting at least 6 months during the 12 months prior to enrollment. Results: Among the 562 patients with severe asthma, 121 (21.5%) patients were defined as having OCS-dependent asthma. Compared with the OCS-independent group, the OCS-dependent group was older at symptom onset and had a higher prevalence of anxiety, worse lung function, and used more medication than the control group. Despite the higher doses of daily ICS and 6-month cumulative OCS, the OCS-dependent group reported greater consumption of relievers and a higher prevalence of unscheduled emergency room visits and repeated OCS bursts. Although anti-interleukin-5 was more commonly prescribed for patients with OCS-dependent asthma, only a limited proportion of patients with severe asthma received biologics. Conclusions: One-fifth of patients with severe asthma had OCS-dependency, which was associated with a greater disease burden compared to those with OCS-independent asthma. Active intervention including initiation of biologics and regular assessment of OCS-induced morbidities is warranted to reduce the use of OCS and its potential adverse effects.

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