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Detection methods for antibiotic-resistant factors in Gram-negative organisms according to the results of drug susceptibility testing Yoshikazu Ishii 1 1Department of Microbiology and Infectious Diseases, Toho University School of Medicine Keyword: 多剤耐性菌 , グラム陰性菌 , 薬剤感受性試験 , 臨床検査 , 検出法 pp.381-386
Published Date 2012/4/15
DOI https://doi.org/10.11477/mf.1542102979
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The isolation frequency of multidrug-resistant Gram-negative organisms such as Pseudomonas aeruginosa, Acinetobacter spp., Enterobacteriaceae is increasing worldwide. The infection caused by these kind of organisms is a serious problem because few antibiotics are effective for multidrug-resistant organisms. Detection of the drug resistance factor is important not only for the selection of antibiotics but also for preventing the spread of resistant organisms. Metallo-β-lactamases or the extended-spectrum β-lactamase encoding gene is associated with other resistance genes such as aminoglycosides modification enzymes, sulfa drugs, trimethoprim, quaternaty ammonium compounds etc. However it is very difficult to detect the resistance gene by molecular biological techniques in the clinical laboratory. Accordingly, I strongly recommend the detection of resistance factors by the result of drug susceptibility testing.


Copyright © 2012, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1367 印刷版ISSN 0485-1420 医学書院

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