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KMID : 1143120180080020016
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Asia Pacific Allergy
2018 Volume.8 No. 2 p.16 ~ p.16
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Prevalence of β2-agonist inhalation for outpatients in a pediatric emergency center during enterovirus D68 epidemic
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Zaitsu Masafumi
Mizoguchi Tatsuhiro
Matsuo Muneaki
Takayanagi Toshimitsu
Shimada Okito
Baba Tsuneyoshi
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Abstract
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Background: Enterovirus D68 (EV-D68) has been reported to have caused severe bronchial asthma attacks and hospitalization epidemics in Japan in September 2015.
Objective: To investigate the prevalence of β2-agonist inhalation in a pediatric emergency center during a period of increased hospitalization for bronchial asthma, which was suggested to be associated with EV-D68.
Methods: We investigated the prevalence of β2-agonist inhalation in a pediatric emergency center in Saga city, Japan, from April 2013 to October 2015, and also clarified the trends in bronchial asthma hospitalization in the same area during that time.
Results: The prevalence of β2-agonist inhalation in the pediatric emergency center, September 2015 was highest when EV-D68 became widespread. The monthly average for β2-agonist inhalation during the study period was 91 cases, but the count in September 2015 was 255 cases. Hospitalized cases of bronchial asthma in September 2015 were increased for age ≥3 years and not increased for age <3 years, but the prevalence of β2-agonist inhalation at the pediatric emergency center was increased even under the age of 3 years.
Conclusion: During the epidemic period for EV-D68, cases requiring β2-agonist inhalation were increased. The EV-D68 epidemic may be related to not only severe cases requiring hospitalization, but also exacerbation of relatively mild symptoms of bronchial asthma.
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KEYWORD
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Enterovirus D68, Bronchial asthma, β2-agonist inhalation
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