2011, Cilt 41, Sayı 4, Sayfa(lar) 139-142 |
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Retrospective Evaluation of the Distribution of Gram Negative Bacteria Isolated From Urine Samples and Their Antimicrobial Resistance Rates |
Murat ARAL, Ekrem KİREÇCİ, Serpil Şeriban DOĞAN |
Kahramanmaraş Sütçü İmam Üniversitesi Tıbbi Mikrobiyoloji Anabilim Dalı |
Keywords: Urine, urinary tract infections, gram-negative bacteria |
Objective: This study was aimed to investigate the distribu¬tion of bacteria isolated from urine samples and their antibiotic resistance rates in Kahramanmaraş Sütçü İmam University Hospital.
Materials and Methods: A total of 624 urine samples cul¬tivated between January 2008 and January 2011 were evaluated retrospectively. Antimicrobial susceptibility tes¬ting of the isolates was performed by the VITEK 2 system (bioMerieux, France) according to the CLSI guidelines.
Results: The most frequently isolated bacteria was Escherichia coli (77.7%), which was followed by Klebsiella pneumoniae (10.6%), Pseudomonas aeruginosa (4.3%), Proteus mirabilis (2.2%), K. oxytoca (1.8%), Enterobacter cloacae (1.1%), E. aerogenes (0.6%), Citrobacter freundii 4 (0.6%), Acinetobacter baumannii (0.5%), Morganella morganii (0.3%) and Serratia marcescens (0.2%). The most effective antibiotics against these gram negative bac¬teria were found to be carbapenems.
Conclusion: Antibiotic resistance rates show an increasing trend in gram-negative bacteria. Continuous surveillance of antibiotic susceptibility in gram negative bacteria is necessary for monitorization of antimicrobial resistance and to guide antimicrobial therapy.
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