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Causative Organisms of Community Acquired Urinary Tract Infection and Their Antibiotic Susceptibility at a Secondary hospital in Korea  

Jo, Yun Ju (Department of Pediatrics, Kwandong University College of Medicine)
Lee, Eun Jeong (Department of Pediatrics, Kwandong University College of Medicine)
Choi, Kyong Min (Department of Pediatrics, Kwandong University College of Medicine)
Eun, Young Min (Department of Pediatrics, Kwandong University College of Medicine)
Yoo, Hwang Jae (Department of Pediatrics, Kwandong University College of Medicine)
Kim, Cheol Hong (Department of Pediatrics, Kwandong University College of Medicine)
Lee, Hyun Hee (Department of Pediatrics, Kwandong University College of Medicine)
Kim, Pyung Kil (Department of Pediatrics, Kwandong University College of Medicine)
Publication Information
Pediatric Infection and Vaccine / v.17, no.1, 2010 , pp. 30-35 More about this Journal
Abstract
Purpose : We investigated the causative organism and its antibiotic susceptibility of community acquired urinary tract infection (UTI) in children at a secondary hospital to test the adequacy of the current guidelines. Methods : Children diagnosed with UTI at the Department of Pediatrics, Kwandong University MyMyongji Hospital by pyuria and bacterial growth of greater than $1.0{\times}10^5CFU/mL$ on clean catch midstream urine from January 2005 to December 2008 were studied retrospectively. The epidemiologic data, causative organism, and the antibiotic susceptibility were analyzed. Results : Sixty two children were diagnosed with sixty four cases of UTI's. Two bacteria were isolated in one case and thus data on 65 urine cultures were analyzed. The male:female ratio was 1.6:1 and 78.1% were less than 12 months of age. Escherichia coli was the predominant cause consisting of 53 cases (82.8%) of the cases. K. pneumoniae (5), Enterobacter (4), Enterococcus (1), $\beta$-streptococcus (1), Diphtheroides (1) were isolated. The antibiotic resistance of E. coli were as follows; ampicillin 69.8%, cefotaxime 1.9%, gentamicin 15.1%, amikacin 0.0%, levofloxacin 1.9%, and trimethoprim/sulfamethoxazole 26.4 %. Only one case of the E. coli was extended spectrum $\beta$-lactamase (ESBL) positive. Conclusion : Compared to prior reports from other tertiary hospitals in Korea, E. coli was the predominant cause in childhood UTI and the rate of ESBL positivity was low. The antibiotic resistance was also different compared to prior reports. We conclude that a difference in the cause and antibiotic resistance of childhood UTI exists between centers and this should be taken into consideration when prescribing antibiotics for childhood UTIs.
Keywords
Urinary Tract Infection; Organism; Antibiotics; Susceptibility;
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