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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한감염학회 Infection and Chemotherapy Infection and Chemotherapy 제46권 제2호
발행연도
2014.1
수록면
84 - 93 (10page)

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Background: Antimicrobial surveillance is important for providing an up-to-date understanding of the epidemiology of antimicrobialresistance and for creating a forum for rational drug development. In this study, we analyzed antimicrobial test data generatedin 2011 by hospitals and commercial laboratories participating in the Korean Nationwide Surveillance of AntimicrobialResistance program (KONSAR). Materials and Methods: Data on the results of susceptibility tests conducted in 32 hospitals and two commercial laboratorieswere analyzed. Data on isolates from patients admitted to an intensive care unit (ICU) and those admitted to other wards werecompared. Intermediate susceptibility was not analyzed and duplicate isolates were excluded. Results: Escherichia coli was the most prevalent organism identified in both the hospital and commercial laboratories. Amongthe hospital isolates, methicillin-resistant Staphylococcus aureus (MRSA), penicillin G-non-susceptible Streptococcus pneumoniae,and ampicillin-resistant Enterococcus faecium remained as prevalent as they were in 2009. The proportion of vancomycin-resistant E. faecium (VR-EFM) slightly decreased from 29% in 2009 to 23% in 2011. Resistance rates of Klebsiellapneumoniae to ceftazidime, cefoxitin, fluoroquinolone, and amikacin were 24%, 14%, 27%, and 8%, respectively. Resistancerates of Pseudomonas aeruginosa to fl uoroquinolone, ceftazidime, imipenem, and amikacin were 33%, 20%, 22%, and16%, respectively, whereas those of Acinetobacter spp. resistance were 71%, 66%, 64, and 51%, respectively. The prevalenceof oxyimino-cephalosporin-resistant E. coli and K. pneumoniae, carbapenem-resistant Acinetobacter spp. and P. aeruginosa,MRSA, and VR-EFM among ICU isolates was higher than those among non-ICU isolates. Extended-spectrum β-lactamase-GproducingE. coli and K. pneumoniae, imipenem-resistant P. aeruginosa, and VR-EFM were more prevalent among isolates fromcommercial laboratories than those from hospitals. Resistance rates of K. pneumoniae to ceftazidime and amikacin decreased from32% and 24% in 2005 to 24% and 8% in 2011, respectively. The resistance rate of P. aeruginosa to amikacin decreased from 22%in 2005 to 16% in 2011. The proportion of imipenem-resistant Acinetobacter spp. increased from 16% in 2005 to 64% in 2011. Conclusions: The prevalence of MRSA, penicillin G-non-susceptible S. pneumoniae, and ampicillin-resistant E. faecium amongclinical isolates tested in laboratories remained high. Multidrug resistance was more prevalent among isolates from ICUs. Theprevalence of ceftazidime-resistant and amikacin-resistant K. pneumoniae and amikacin-resistant P. aeruginosa decreased after2005, while the prevalence of imipenem-resistant Acinetobacter spp. increased.
#Antimicrobial resistance surveillance #KONSAR #Staphylococcus #Acinetobacter #Pseudomonas aeruginosa

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참고문헌 (22)

참고문헌 신청
Bae S / 2010 / Antimicrobial resistance in Haemophilus influenzae respiratory tract isolates in Korea: results of a nationwide acute respiratory infections surveillance / An google schola Cai Y / 2012 / Colistin resistance of Acinetobacter baumannii: clinical reports, mechanisms and antimicrobial strategies / J Antimicrob Chemother 67 : 1607 ~ 1615 google schola Chong Y / 1998 / Korean nationwide surveillance of antimicrobial resistance of bacteria in 1997 / Yonsei Med J 39 : 569 ~ 577 google schola Clinical and Laboratory Standards Institute / 2008 / Analysis and presentation of cumulative antimicrobial susceptibility test data; approved guideline-Third Edition / CLSI google schola Clinical and Laboratory Standards Institute / 2009 / Performance standards for antimicrobial susceptibility testing google schola

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