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KMID : 1225720160080030223
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Allergy, Asthma & Immunology Research : AAIR
2016 Volume.8 No. 3 p.223 ~ p.229
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Seasonal Patterns of Asthma in Children and Adolescents Presenting at Emergency Departments in Korea
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Won Youn-Kyoung
Hwang Tae-ho
Roh Eui-Jung
Chung Eun-Hee
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Abstract
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Purpose: Seasonal variations in asthma-related hospitalizations and emergency department visits have long been recognized. This study aimed to investigate the seasonal patterns of asthma in children and adolescents who presented at emergency departments in Korea.
Methods: We analyzed the National Emergency Department Information System records from 117 emergency departments in Korea that comprised all of the patients with asthma who were aged 3-18 years and who presented at the emergency departments from 2007 to 2012. The children and adolescents were divided into 3 groups based on their ages, namely, 3-6 years, 7-12 years, and 13-18 years. The data were tabulated, and graphs were created to show the seasonal trends in the monthly numbers of emergency department visits as a consequence of asthma.
Results: A total of 41,128 subjects were identified, and the male-to-female ratio was 1:0.5. General ward admissions comprised 42.6% (n=17,524 patients) of the emergency department visits, and intensive care unit admissions comprised 0.8% (n=335 patients) of the emergency department visits. The monthly numbers of emergency department visits for asthma varied according to the season, with high peaks during fall, which was from September to November, and low levels in summer, which was from June to August.
Conclusions: Important differences in the seasonal patterns of emergency department visits for asthma were evident in children and adolescents. Identifying seasonal trends in asthma-related emergency department visits may help determine the causes and reduce the likelihood of asthma exacerbation.
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KEYWORD
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Asthma, emergency department, child, adolescent, seasons, epidemiology
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