Bacteria Isolated From Urine Samples And Their Antimicrobial Susceptibilities

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Objective: Urinary tract infections are in the first ranks in community acquired or nosocomial infections. In this work we aimed to investigate the most frequent isolated bacteria and their antibiotic susceptibilities in urine samples. Material and Methods: 1644 urine samples sent between January 2010 and April 2011 were investigated retrospectively. Bacterial isolation from clinical samples was made using standard microbiological methods. Antimicrobial susceptibility was assessed using diskdiffusion methods according to CLSI recommendations. Results: E. coli was the most frequent isolated bacteria 258 (%52.1) which was followed by Pseudomonas aeruginosa 54 (%10.9), Enterococcus spp. 35 (%7.1), S. aureus 26 (%5.3) and Acinetobacter baumannii 24 (%4.8). The most effective antibiotics against Gram negative enteric bacteria were imipenem and amikacine, against Pseudomonas aeruginosa were ceftasidime and amikacine. The most effective antibiotic against Gram positive bacteria is vancomycin. Conclusion: The identification of the microorganisms and the nature of their antimicrobial susceptibilities isolated from urinary tract infection is thought to be important for medical centers to determine their own antimicrobial policies.

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Urine culture , antibiotic susceptibility

Kocatepe Medical Journal

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Kocatepe Medical Journal