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KMID : 0191119990140040405
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Journal of Korean Medical Science
1999 Volume.14 No. 4 p.405 ~ p.411
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Clinical characteristics of acute viral lower respiratory tract infections in hospitalized children in Seoul, 1996-1998
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Ahn KM
Chung SH/Chung EH/Koh YJ/Nam SY/Kim JH/Son JA/Park JY/Lee NY/Lee SI
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Abstract
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This study was performed to investigate the etiologic agents, age distribution, clinical manifestations
and seasonal occurrence of acute viral lower respiratory tract infections in children. We confirmed viral
etiologies using nasopharyngeal aspirates in 237 patients of the ages of 15 years or younger who were
hospitalized for acute lower respiratory tract infection (ALRI) from March 1996 to February 1998 at
Samsung Seoul Hospital, Seoul, Korea. The overall isolation rate was 22.1%. The viral pathogens identified
were adenovirus (12.7%), influenza virus type A (21.1%), -type B (13.9%), parainfluenza virus type 1 (13.5%),
-type 2 (1.3%), -type 3 (16.0%) and respiratory syncytial virus (21.5%). The occurrence of ALRIs was highest
in the first year of life, although parainfluenza virus type 1 infection occurred predominantly in the second
year of life and influenza virus caused illnesses in all age groups. The specific viruses are frequently
associated with specific clinical syndromes of ALRI. The respiratory agents and associated syndromes frequently
have characteristic seasonal patterns. This study will help us to estimate the etiologic agents of ALRI, and
establish a program for the prevention and treatment. An annual nationwide survey is necessary to understand
the viral epidemiology associated with respiratory illnesses in Korea.
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KEYWORD
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