Eun-Jeong Yoon1, Ji Woo Yang2, Jung Ok Kim1, Hyukmin Lee1, Kwang Jun Lee2, Seok Hoon Jeong1. 1. Department of Laboratory Medicine & Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, South Korea. 2. Division of Antimicrobial Resistance, National Institute of Health, Centers for Disease Control & Prevention, Cheongju, South Korea.
Abstract
AIM: To assess the epidemiology of carbapenemase-producing Enterobacteriaceae (CPE) in South Korea. MATERIALS & METHODS: From 2011 to 2015, 2487 carbapenem-nonsusceptible Enterobacteriaceae were collected through the Korean National Laboratory Surveillance System. Disk-diffusion for antimicrobial susceptibility, PCR/sequencing to detect carbapenemase genes and multilocus sequence typing for molecular epidemiology were carried out. RESULTS: The number of carbapenem-nonsusceptible Enterobacteriaceae was increasing approximately 1.5-fold per year and the proportion of CPEs was exponentially confirmed from 2014. KPC was the most dominant, mostly associated with Klebsiella pneumoniae ST11 and ST307, NDM was the second and OXA-48-like was the third dominant carbapenemases. The IMP, VIM and GES-5 CPEs were identified sporadically. CONCLUSION: The nation-wide spreads of KPC, NDM and OXA-48-like CPEs were in an alarming epidemiological stage.
AIM: To assess the epidemiology of carbapenemase-producing Enterobacteriaceae (CPE) in South Korea. MATERIALS & METHODS: From 2011 to 2015, 2487 carbapenem-nonsusceptible Enterobacteriaceae were collected through the Korean National Laboratory Surveillance System. Disk-diffusion for antimicrobial susceptibility, PCR/sequencing to detect carbapenemase genes and multilocus sequence typing for molecular epidemiology were carried out. RESULTS: The number of carbapenem-nonsusceptible Enterobacteriaceae was increasing approximately 1.5-fold per year and the proportion of CPEs was exponentially confirmed from 2014. KPC was the most dominant, mostly associated with Klebsiella pneumoniae ST11 and ST307, NDM was the second and OXA-48-like was the third dominant carbapenemases. The IMP, VIM and GES-5 CPEs were identified sporadically. CONCLUSION: The nation-wide spreads of KPC, NDM and OXA-48-like CPEs were in an alarming epidemiological stage.
Entities:
Keywords:
carbapenem-nonsusceptible Enterobacteriaceae; carbapenemase-producing Enterobacteriaceae; national surveillance study
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