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소아 천식 환아의 호기농축시료에서 염증매개물질 측정의 의의

Other Titles
 Increased inflammatory mediator in exhaled breath condensate from asthmatic children 
 한윤기  ;  박준영  ;  김미나  ;  김윤희  ;  박현빈  ;  김민정  ;  이경은  ;  이희선  ;  허원일  ;  홍정연  ;  김경원  ;  손명현  ;  김규언 
 Allergy Asthma & Respiratory Disease, Vol.2(5) : 332-336, 2014 
Journal Title
 Allergy Asthma & Respiratory Disease 
Issue Date
Purpose: There has recently been increasing interest in the use of exhaled breath condensate (EBC) as a simple noninvasive means for understanding the physiology of asthma. The aim of this study was to evaluate the levels of leukotriene B4 (LTB4) and eosinophil cationic protein (ECP) in the EBC of asthmatic children. Methods: We measured LTB4 and ECP levels in EBC from children aged 6.14 years, including healthy children (n=25) and asthmatic children (n=25). We also measured serum LTB4 and serum ECP. Pulmonary function tests and methacholine challenge tests were performed on all subjects. Results: Exhaled LTB4 levels were increased significantly in patients with asthma compared to normal subjects (7.1±3.7 pg/mL vs. 2.2±1.7 pg/mL, P<0.05). Serum LTB4 levels were not significantly different in patients with asthma compared to normal subjects (674.7±484.1 pg/mL vs. 487.1±272.0 pg/mL, P=0.156,) and no significant correlations were found between exhaled and serum LTB4 concentrations in children with asthma (r=0.052, P=0.758). Exhaled ECP levels were not significantly different in patients with asthma compared to normal subjects (P=0.419). Serum ECP levels were significantly increased in patients with asthma compared to normal subjects (44.37±32.14 μg/L vs. 16.40±13.23 μg/L, P=0.001). Conclusion: We found significantly elevated LTB4 levels in the EBC of asthmatic children. Our results suggest that EBC may be one of the supportive tools to measure airway inflammation in children with asthma.
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1. College of Medicine (의과대학) > Dept. of Pediatrics (소아청소년과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
김경원(Kim, Kyung Won) ORCID logo https://orcid.org/0000-0003-4529-6135
김규언(Kim, Kyu Earn)
김미나(Kim, Mina) ORCID logo https://orcid.org/0000-0002-1675-0688
김민정(Kim, Min Jung) ORCID logo https://orcid.org/0000-0002-5634-9709
김윤희(Kim, Yoon Hee) ORCID logo https://orcid.org/0000-0002-2149-8501
박준영(Park, Jun Young)
박현빈(Park, Hyun Bin)
손명현(Sohn, Myung Hyun) ORCID logo https://orcid.org/0000-0002-2478-487X
이경은(Lee, Kyung Eun)
이희선(Lee, Hee Seon)
한윤기(Han, Yoon Ki)
허원일(Heo, Won Il)
홍정연(Hong, Jung Yeon) ORCID logo https://orcid.org/0000-0003-0406-9956
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