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소아천식에서 천식 조절 상태 평가 도구의 유용성

Other Titles
 Utility of tools for the assessment of asthma control in childhood asthma 
 김환수  ;  김윤희  ;  이희선  ;  한윤기  ;  박영아  ;  김경원  ;  손명현  ;  김규언 
 ALLERGY ASTHMA & RESPIRATORY DISEASE, Vol.3(4) : 261-266, 2015 
Journal Title
Issue Date
Asthma ; Questionnaire ; Child ; Pulmonary function test ; Nitric oxide
Purpose : The goal of asthma control is to maintain well-controlled state. In this study, we investigated whether childhood asthma control test (C-ACT) may reflect lung function and whether fractional exhaled nitric oxide (FeNO) can be used to improve the accuracy of C-ACT in reflecting the asthma control level. Methods : We reviewed the medical records of 155 patients with asthma underwent lung function tests and C-ACT upon visiting our outpatient clinic. We compared lung function test results according to the C-ACT score stratified by atopy and also examined FeNO according to C-ACT and the Global Initiative for Asthma (GINA) guidelines. The diagnostic accuracy of well-controlled asthma by C-ACT, FeNO, and C-ACT+FeNO was examined. We also calculated the cutoff value of FeNO and C-ACT for well-controlled asthma. Results : Peak expiratory flow (PEF) showed a significant correlation with the C-ACT score. Stratified by atopy, PEF, and forced expiration in one second (FEV1) showed significant correlations with the C-ACT score in the atopic asthma group. There was no difference in FeNO between subjects with C-ACT≥20 and <20, but FeNO was significantly higher in the uncontrolled asthma according to the GINA guidelines. The diagnostic accuracy of well-controlled asthma was higher when FeNO was combined with the C-ACT score than C-ACT or FeNO. Our study showed that the cutoff values of C-ACT and FeNO 19 and 18.3 ppb (parts per billion), respectively, for well-controlled asthma. Conclusion : C-ACT showed a significant correlation with PEF, and atopic asthma group showed significant correlations with PEF and FEV1. A combination of C-ACT with FeNO might reflect asthma control status more accurately.
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1. College of Medicine (의과대학) > Dept. of Pediatrics (소아청소년과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Won(김경원) ORCID logo https://orcid.org/0000-0003-4529-6135
Kim, Kyu Earn(김규언)
Kim, Yoon Hee(김윤희) ORCID logo https://orcid.org/0000-0002-2149-8501
Park, Young A(박영아)
Sohn, Myung Hyun(손명현) ORCID logo https://orcid.org/0000-0002-2478-487X
Lee, Hee Seon(이희선)
Han, Yoon Ki(한윤기)
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