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KMID : 0605820100170010030
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Korean Journal of Pediatric Infectious Diseases
2010 Volume.17 No. 1 p.30 ~ p.35
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Causative Organisms of Community Acquired Urinary Tract Infection and Their Antibiotic Susceptibility at a Secondary hospital in Korea
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Jo Yun-Ju
Lee Eun-Jeong
Choi Kyong-Min
Eun Young-Min
Yoo Hwang-Jae
Kim Cheol-Hong
Lee Hyun-Hee
Kim Pyung-Kil
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Abstract
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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 Myongji Hospital by pyuria and bacterial growth of greater than 1.0×105 CFU/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), E0nterococcus (1), ß-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 β-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.
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KEYWORD
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Urinary Tract Infection, Organism, Antibiotics, Susceptibility
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