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원외 획득 요로 감염 그람음성 간균에 대한 Cefatrizine-Clavulanic Acid의 시험관내 항균력

Other Titles
 In Vitro Activities of Cefatrizine-Clavulanic Acid against Gram-Negative Bacilli Isolated from Community-acquired Urinary Track Infection 
 노경호  ;  염종화  ;  용동은  ;  최성학  ;  이재걸  ;  유무희  ;  이경원  ;  정윤섭 
 Korean Journal of Laboratory Medicine (대한진단검사의학회지), Vol.25(6) : 411-415, 2005 
Journal Title
 Korean Journal of Laboratory Medicine (대한진단검사의학회지) 
Issue Date
Background :A high proportion of currently isolated gram-negative bacilli are resistant to -lactams by producing -lactamases. -lactam and -lactamase inhibitor combinations have been successfully used to overcome the resistance. In this study, in vitro antimicrobial activity of a new combination, cefatrizine-clavulanic acid, was determined against gram-negative bacilli isolated from community-acquired urinary track infections. Method :Nonduplicate strains of Enterobacteriaceae, isolated in 2003 from urine specimens of outpatients and inpatients of less than 3 hospital days at Severance Hospital, were tested by the NCCLS agar dilution method. Result :Of a total of 204 isolates, 144 (71%) were Escherichia coli and 30 (15%) were Klebsiella spp. MIC50 and MIC90 of cefatrizine for E. coli were 2 g/mL and 16 g/mL, respectively. MIC90s of both cefaclor and cefoxitin were also 16 g/mL. MIC50 and MIC90 of cefatrizine-clavulanic acid for E. coli were 1 g/mL and 4 g/mL, respectively, which were 1/2-1/4 of those of cefaclor and cefoxitin. For Klebsiella spp., MIC90 of cefatrizine was 4 g/mL with an MIC range of 1->128 g/mL, whereas that of cefatrizine-clavulanic acid was 2 g/mL with an MIC range of 0.5-32 g/mL. In vitro activity of cefatrizine-clavulanic acid was higher than that of cefatrizine. Conclusion: Improved in vitro activity of cefatrizine-clavulanic acid against isolates of E. coli and Klebsiella spp. from community-acquired urinary track infection suggested that the combination is useful for an empirical treatment of the infection.
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1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
Yonsei Authors
Yong, Dong Eun(용동은) ORCID logo https://orcid.org/0000-0002-1225-8477
Lee, Kyungwon(이경원) ORCID logo https://orcid.org/0000-0003-3788-2134
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