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Prevalence and characteristics of carbapenemase-producing Enterobacteriaceae in three tertiary-...
  • 작성일2021-02-08
  • 최종수정일2021-02-08
  • 담당부서연구기획과
  • 연락처043-719-8033
  • 87

Japanese Journal of Infectious Diseases, 2020.73(6), 431-436, DOI: https://doi.org/10.7883/yoken.JJID.2020.043


Prevalence and characteristics of carbapenemase-producing Enterobacteriaceae in three tertiary-care Korean university hospitals between 2017 and 2018

Si Hyun Kim, Joseph Jeong; Sunjoo Kim; Jeong Hwan Shin


Abstract

    The aim of this study was to evaluate the prevalence and characteristics of carbapenemase-producing Enterobacteriaceae (CPE) from 3 tertiary-care Korean university hospitals between 2017 and 2018. Non-duplicated clinical isolates of Enterobacteriaceae showing resistance to any carbapenem agents were collected prospectively from 3 tertiary university hospitals between 2017 and 2018. The presence of carbapenemase genes was detected by multiplex PCR and sequencing for blaKPC, blaVIM, blaNDM, blaIMP, blaOXA, and blaGES was performed. Among the 690 potential carbapenem-resistant Enterobacteriaceae (CRE) isolates, 66.8% (N = 461) were CPE. The species distribution of CPE was as follows: Klebsiella pneumoniae was most common (75.9%), followed by Escherichia coli (15.0%), Citrobacter freundii (4.6%), Enterobacter cloacae (2.6%), Klebsiella. aerogenes (0.7%), and Klebsiella. oxytoca (0.4%). All 11 CPE genes were detected, particularly K. pneumoniae carbapenemase (KPC)-2 (87.6%), New Delhi metallo-β-lactamase (NDM)-1 (7.4%), NDM-5 (1.7%), KPC-3 (1.3%), oxacillinase (OXA)-232 (1.1%), and OXA-181 (1.1%). Six isolates produced 2 or 3 carbapenemases. The majority of the carbapenemase-producing C. freundii tested positive for NDM-1. We confirmed a high proportion of CPE among the CRE isolates with a high prevalence of KCP-2-producing K. pneumoniae and E. coli. Therefore, there is a need for undertaking continuous surveillance to monitor the prevalence of CPE.



  • 본 연구는 질병관리본부 연구개발과제연구비를 지원받아 수행되었습니다.
  • This research was supported by a fund by Research of Korea Centers for Disease Control and Prevention.


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