J Clin Pathol Qual Control.
1998 Jun;20(1):207-217.
Species and Antimicrobial Susceptibilities of Bacteria Isolated at Dankook University Hospital in 1994-1996
- Affiliations
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- 1Department of Clinical Pathology, College of Medicine, Dankook University, Cheonan, Korea.
- 2Department of Internal Medicine, College of Medicine, Dankook University, Cheonan, Korea.
- 3Department of Clinical Pathology, Daejeon Military Hospital, Daejeon, Korea.
- 4Department of Clinical Pathology, College of Medicine, Seoul National University, Seoul, Korea.
- 5Department of Clinical Pathology, College of Medicine, Sung Kyun Kwan University, Seoul, Korea.
Abstract
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BACKGROUND: In order to control resistant strains and to property select the antimicrobial agents, it is of quite importance to know current trends of species and changing patterns of antimicrobial resistant rates. So we analyzed the species and antimicrobial susceptibility of bacteria isolated at Dankook University Hospital during a period of 32 months between May 1994 and December 1996.
METHODS
Species identification was done by conventional methods, API-kit system, and Microscan system. Antimicrobial susceptibility was performed by disk diffusion method and minimum inhibitory concentration (MIC) method. In addition, we analyzed the organisms isolated from intensive care unit (ICU) specimens independently.
RESULTS
Staplyococcus aureus, Coagulase-negative Staphylococcus, and Enterococcus faecalis were the most frequently isolated species in Gram-positive organisms during this period. In Gram-negative organisms, Escherichia coli, Pseudomonas aeruginosa, and Acinetobacter baumannii were the most frequently isolated. In this survey, 56% of methicillin-resistant Staphylococcus aureus was noted. Antimicrobial resistant rates of E.faecalis, E. faecium, A. baumannii, and P. aeruginosa isolated from ICU specimens showed significantly increasing trends compared with that of the species from non-ICU specimens by year (P<0.05).
CONCLUSIONS
Periodical analysis of trends in antimicrobial susceptibility can be a tool to control the emergence of resistant strains and for adequate antimicrobial management.
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