The burden of nosocomial staphylococcus aureus bloodstream infection in South Korea: a prospective hospital-based nationwide study

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Kim, Chung-Jong; Kim, Hong-Bin; Oh, Myoung-don; Kim, Yunhee; Kim, Arim; Oh, Sung-Hee; Song, Kyoung-Ho; Kim, Eu Suk; Cho, Yong Kyun; Choi, Young Hwa; Park, Jinyong; Kim, Baek-Nam; Kim, Nam-Joong; Kim, Kye-Hyung; Lee, Eun Jung; Jun, Jae-Bum; Kim, Young Keun; Kiem, Sung min; Choi, Hee Jung; Choo, Eun Ju; Sohn, Kyung-mok; Lee, Shinwon; Chang, Hyun Ha; Bang, Ji Hwan; Lee, Su Jin; Lee, Jae Hoon; Park, Seong Yeon; Jeon, Min Hyok; Yun, Na Ra; The KIND Study group (Korea Infectious Diseases Study group)
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BioMed Central
BMC Infectious Diseases, 14(1):590
Staphylococcus aureusBacteremiaIncidenceHospital infections
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.
We estimated the nationwide burden of nosocomial S. aureus bloodstream infection (SA-BSI), a major cause of nosocomial infection, in South Korea.

To evaluate the nationwide incidence of nosocomial SA-BSI, cases of SA-BSI were prospectively collected from 22 hospitals with over 500 beds over 4?months. Data on patient-days were obtained from a national health insurance database containing the claims data for all healthcare facilities in South Korea. The additional cost of SA-BSI was estimated through a matched case?control study. The economic burden was calculated from the sum of the medical costs, the costs of caregiving and loss of productivity.

Three hundred and thirty nine cases of nosocomial SA-BSI were included in the study: 254 cases of methicillin-resistant SA-BSI (MRSA-BSI) and 85 cases of methicillin-susceptible SA-BSI (MSSA-BSI). Death related to BSI occurred in 81 cases (31.9%) of MRSA-BSI and 12 cases (14.1%) of MSSA-BSI. The estimated incidence of nosocomial MRSA-BSI was 0.12/1,000 patient-days and that of nosocomial MSSA-BSI, 0.04/1,000 patient-days. The estimated annual cases of nosocomial BSI were 2,946 for MRSA and 986 for MSSA in South Korea. The additional economic burden per case of nosocomial SA-BSI was US $20,494 for MRSA-BSI and $6,914 for MSSA-BSI. Total additional annual cost of nosocomial SA-BSI was $67,192,559.

In view of the burden of nosocomial SA-BSI, a national strategy for reducing nosocomial SA-BSI is urgently needed in South Korea.
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College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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