Open AccessAcinetobacter sp. isolates from emergency departments in two hospitals of South Korea
Author(s) -
Ji-Young Choi,
Eun Ah Ko,
Ki Tae Kwon,
Shinwon Lee,
Choel In Kang,
Doo Ryeon Chung,
Kyong Ran Peck,
JaeHoon Song,
Kwan Soo Ko
Publication year - 2014
Publication title -
journal of medical microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 117
eISSN - 1473-5644
pISSN - 0022-2615
DOI - 10.1099/jmm.0.075325-0
Subject(s) - imipenem , acinetobacter baumannii , colistin , acinetobacter , microbiology and biotechnology , antibiotic resistance , molecular epidemiology , antimicrobial , biology , genotype , antibiotics , bacteria , pseudomonas aeruginosa , gene , genetics
A total of 114 Acinetobacter sp. isolates were collected from patients in the emergency departments (EDs) of two Korean hospitals. Most isolates belonged to the Acinetobacter baumannii complex (105 isolates, 92.1 %). Imipenem resistance was found in 39 isolates (34.2 %) of the Acinetobacter sp. isolates, and 6 colistin-resistant isolates were also identified. Species distribution and antimicrobial-resistance rates were different between the two hospitals. In addition, two main clones were identified in the imipenem-resistant A. baumannii isolates from hospital B, but very diverse and novel genotypes were found in those from hospital A. Many Acinetobacter sp. isolates, including the imipenem-resistant A. baumannii, are considered to be associated with the community. The evidence of high antimicrobial resistance and different features in these Acinetobacter sp. isolates between the two EDs suggests the need for continuous testing to monitor changes in epidemiology.
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