KMID : 0829320070100010019
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Korean Journal of Clinical Microbiology 2007 Volume.10 No. 1 p.19 ~ p.24
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Patterns of Antimicrobial Susceptibility of the Causative Bacteria of Urinary Tract Infections in Recent Years in an Island Region
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Kim Young-Ree
Huh Hee-Jae Kang Sung-Ha
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Abstract
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Background: In order to provide a guideline for empirical treatment of urinary tract infections, we studied a change in causative organisms and antimicrobial susceptibility in our region of an island.
Methods: We reviewed the results of antimicrobial susceptibility and the hospital charts of 3,064 patients with a significant bacteriuria (more than 105 colony forming unit/mL in urine cultures); the patients had been admitted to or seen at the out-patient clinic of Cheju University Hospital during the period from January 2002 to December 2005.
Results: The most common pathogens were Escherichia coli (44.9%), Klebsiella spp. (8.1%), and Pseudomonas
spp. (7.0%). In E. coli, the mean percent resistance to ampicillin, trimethoprim-sulfamethoxazole, and ciprofloxacin during the 4-year period was 69.0%, 32.5%, and 24.7%, respectively.
Conclusion: An increasing resistance of common urinary pathogens to known empirical agents such as ampicillin, trimethoprim-sulfamethoxazole, and ciprofloxacin caused a need for a more updated guideline in our region of an island. (Korean J Clin Microbiol 2007;10:19-24)
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KEYWORD
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Urinary tract infections, Antimicrobial susceptibility
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