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KMID : 1040320190260010011
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Pediatric Infection & Vaccine
2019 Volume.26 No. 1 p.11 ~ p.21
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Epidemiology of Staphylococcus aureus Bacteremia in Children at a Single Center from 2002 to 2016
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Lim Seon-Hee
Ha Seok-Gyun
Tchah Hann
Jeon In-Cheol
Ryoo Eell
Son Dong-Woo
Cho Hye-Jung
Sun Yong-Han
Kim Hyo-Jeong
Ahn Jung-Min
Cho Hye-Kyung
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Abstract
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Purpose: We aimed to investigate the epidemiological characteristics of Staphylococcus aureus bacteremia in Korean children.
Methods: We retrospectively collected and analyzed data from the medical records of the patients with S. aureus bacteremia ≤18 years of age in Gil Medical Center from 2002 to 2016.
Results: A total of 212 SAB cases were detected. The annual incidence of SAB from 2002 to 2016 ranged from 0.77 to 1.95 per 1,000 patients hospitalized. The neonate group (<28 days of age) and the pediatric group (28?18 years of age) were 51.4% (n=109) and 48.6% (n=103), respectively. According to the origin of infection, there were 93 cases (43.9%) of community-associated (CA)-SAB and 119 cases (56.1%) of healthcare-associated (HA)-SAB. The rates of HA-SAB among the neonate group and among the pediatric group were 64.2% and 47.6%, respectively (P=0.015). There was no difference in complications between CA-SAB and HA-SAB, but mortality was higher in HA-SAB. The proportion of methicillin-resistance S. aureus (MRSA) was the highest in neonates (88.1%), decreased with age, and was 36.4%?37.5% among children aged ≥5 years. The MRSA proportion was 72.2%, showing no consistent trend over the period.
Conclusions: The annual incidence of SAB and the proportion of MRSA in SAB remained constant in the recent 15 years in children. Judicious decision of antimicrobial agents for treatment considering the patient's age and the origin of infection is necessary.
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KEYWORD
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Staphylococcus aureus, Bacteremia, Methicillin-resistant Staphylococcus aureus, Infant, Child
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