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 Original Articles |
| Species and Antimicrobial Susceptibility of Enterococcus Isolated from Clinical Materials |
| Hee Joo Lee, Yunsop Chong*, Oh Hun Kwon* |
| Department of Clinical Pathology, In San Junior College, Inchon, Korea and Department of Clinical Pathology, Yonsei University College of Medicine, Seoul, Korea* |
Vol.24 Num.2 (p115~120)
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Enterococcus became notorious because of the increasing nosocomial infections and the emergence of strains resistancte to β-lactam antibiotics and to high level aminoglycosides. The species and antimicrobial susceptibility of Enterococcus isolated during September 1991 to January 1992 at the Severance Hospital were determined. Among the 313 isolates 74.1% were E. faecalis, 14.7% E. faecium and 3.2% E. raffino년. MIC range of ampicillin was ≤2 μg/mL against E. faecalis, but 0.5->128 μg/mL against E. faecium. MIC90 of ciprofloxacin and ofloxacin were 2 μg/mL against E. faecalis, but 8 μg/mL and 32 μg/mL, respectively, against E. faecium. Twenty per cent of E. faecalis were resistant to 2000 μg/mL of gentamicin compared to 59% in E. faecium. In conclusion, identification of species of all Enterococcus isolates and determination of high level aminoglycoside resistance of the isolates from severe infections were considered necessary for optimal care of the patients.
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