In Vitro Analysis of Activities of 16 Antimicrobial Agents against Gram-Negative Bacteria from Six Teaching Hospitals in China
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- Chen Hongbin
- Department of Clinical Laboratory, Peking University People's Hospital
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- Wang Zhanwei
- Department of Clinical Laboratory, Peking University People's Hospital
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- Li Henan
- Department of Clinical Laboratory, Peking University People's Hospital
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- Wang Qi
- Department of Clinical Laboratory, Peking University People's Hospital
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- Zhao Chunjiang
- Department of Clinical Laboratory, Peking University People's Hospital
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- He Wenqiang
- Department of Clinical Laboratory, Peking University People's Hospital
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- Wang Xiaojuan
- Department of Clinical Laboratory, Peking University People's Hospital
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- Zhang Feifei
- Department of Clinical Laboratory, Peking University People's Hospital
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- Wang Hui
- Department of Clinical Laboratory, Peking University People's Hospital
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抄録
To evaluate the in vitro antimicrobial activities of biapenem, arbekacin, and cefminox against different gram-negative bacterial isolates in China, a total of 100 non-duplicated Escherichia coli, 100 Acinetobacter baumannii, 100 Pseudomonas aeruginosa, and 99 Klebsiella pneumoniae isolates were collected from 6 teaching hospitals in China in 2012. The minimal inhibitory concentrations (MICs) of biapenem, arbekacin, cefminox and 13 other antibiotics were determined by the broth microdilution method. The carbapenems (biapenem, meropenem, and imipenem) exhibited high antimicrobial activity against E. coli (98%) and K. pneumoniae (≥95%), followed by colistin and amikacin. The MIC50 and MIC90 of biapenem against E. coli were ≤0.06 mg/L and 0.25 mg/L, respectively. For K. pneumoniae, the MIC50 and MIC90 of biapenem were 0.25 mg/L and 1.0 mg/L, respectively. The MIC50 and MIC90 of cefminox against E. coli were 1.0 mg/L and 4.0 mg/L, respectively. The resistance rates of A. baumannii to most of the antibiotics were more than 50%, except for colistin. Amikacin was the most active antibiotic against P. aeruginosa (97%), followed by colistin (93%). The MIC50 and MIC90 of arbekacin against P. aeruginosa were 2.0 mg/L and 8.0 mg/L, respectively. In conclusion, carbapenems, colistin, amikacin, and arbekacin exhibited high antimicrobial activities against gram-negative bacteria, except A. baumannii.
収録刊行物
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- Japanese Journal of Infectious Diseases
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Japanese Journal of Infectious Diseases 68 (4), 263-267, 2015
国立感染症研究所 Japanese Journal of Infectious Diseases 編集委員会
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詳細情報 詳細情報について
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- CRID
- 1390001206241970048
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- NII論文ID
- 130005088810
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- NII書誌ID
- AA1132885X
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- ISSN
- 18842836
- 13446304
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- NDL書誌ID
- 026618197
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- PubMed
- 25672407
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可