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Epidemiologic and Clinical features of Enteroviral Infections in Children, a Single Center Study in Korea: 2009  

Baek, Dong Won (Department of Pediatrics, Yonsei University, College of Medecine, Severance Children's Hospital)
Kim, Jung Min (Department of Pediatrics, Yonsei University, College of Medecine, Severance Children's Hospital)
Kim, Ki Hwan (Department of Pediatrics, Yonsei University, College of Medecine, Severance Children's Hospital)
Ahn, Jong Gyun (Department of Pediatrics, Yonsei University, College of Medecine, Severance Children's Hospital)
Kim, Dong Soo (Department of Pediatrics, Yonsei University, College of Medecine, Severance Children's Hospital)
Publication Information
Pediatric Infection and Vaccine / v.17, no.2, 2010 , pp. 122-129 More about this Journal
Abstract
Purpose : Enteroviral infection is a common viral illness in children. We undertook this study in attempt to comprehend the epidemiologic and clinical features of enteroviral infections, particularly EV71 in children. Methods : We enrolled 63 children with enteroviral infection at Severance Children's Hospital in Seoul between May and August 2009. Reverse transcriptase-polymerase chain reaction (RT-PCR) was performed from stool or cerebrospinal fluid samples, which were then tested for enteroviral infection. Viral isolation and serotype identification also were performed by RT-PCR. Results : A total of 63 patients with clinical diagnosis of enteroviral infections were enrolled; of those, 38 (60%) were positive for enterovirus. The mean age of the patients was 2 years and 7 months and the sex ratio of male to female was 0.9 :1. Their clincal manifestations included aseptic meningitis (21 cases, 55%), HFMD (16 cases, 42%), herpangina (5 cases, 13%), neonatal fever (2 cases, 5%), encephalitis (1 case, 3%), and myocarditis (1 case, 3%). Serotypes of isolated enteroviruses were EV71 (8 cases, 21%), coxsackievirus B1 (8 cases, 21%), coxsackievirus A16 (2 cases, 6%), coxsakievirus A2 (1 case, 3%), coxsakievirus A5 (1 case, 3%), and echovirus 9 (1 case, 3%). Clinical symptoms of EV71 infection included HFMD (5 cases, 63%), aseptic meningitis (3 cases, 38%), encephalitis (1 case, 13%), and myocarditis (1 case, 13%). A positive rate of C-reactive protein in EV71 was higher than those in other enterviral infections. However, there was no statistically significant difference in other laboratory findings. Conclusion : We reported on identified enteroviruses, including EV71, during a period of 3 months in the summer of 2009. In this study, EV71 infection frequently occurred in male and clinical manifestation caused by EV71 was a more severe disease than that due to other enterviral infections. There is a need for continuous surveillance of enteroviral infection and its clinical manifestations for diagnosis and treatment of enteroviral infection.
Keywords
Enterovirus; Enterovirus 71; Children;
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