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Biomed Res Int. 2017;2017:4909452. doi: 10.1155/2017/4909452. Epub 2017 Apr 11.

Etiological and Resistance Profile of Bacteria Involved in Urinary Tract Infections in Young Children.

Author information

1
Departamento de Microbiología, Universidad de Granada-ibs.Granada, Granada, Spain.
2
UGC de Pediatría, Complejo Hospitalario Universitario de Granada-ibs.Granada, Hospital General Virgen de las Nieves, Granada, Spain.
3
Departamento de Bioestadística, Universidad de Granada-ibs.Granada, Granada, Spain.
4
Laboratorio de Microbiología, Complejo Hospitalario Universitario de Granada-ibs.Granada, Hospital General Virgen de las Nieves, Granada, Spain.

Abstract

Background. The objective of this study was to identify the bacteria most frequently responsible for urinary tract infection (UTI) in the population of under-2-year-olds in our geographic area and to evaluate the activity of antibiotics widely used for UTI treatment during a 4-year study period. Materials and Methods. A retrospective analysis was conducted of data on the identification and susceptibility of microorganisms isolated in urine samples from children under 2 years of age. Results. A total of 1,045 uropathogens were isolated. Escherichia coli accounted for the majority (60.3%) of these, followed by Enterococcus faecalis (22.4%) and Klebsiella spp. (6.5%). The highest E. coli susceptibility rates (>90%) were to piperacillin-tazobactam, cefuroxime, cefotaxime, ceftazidime, imipenem, gentamicin, nitrofurantoin, and fosfomycin, and the lowest were to amoxicillin-clavulanic acid and cotrimoxazole. Among all bacteria isolated, we highlight the overall high activity of piperacillin-tazobactam, imipenem, nitrofurantoin, and fosfomycin against both community and hospital isolates and the reduced activity of amoxicillin-clavulanic acid, cephalosporins, gentamicin, and cotrimoxazole. There was no significant change in the total activity of any of the studied antibiotics over the 4-year study period. Conclusion. Empiric treatment with amoxicillin-clavulanic acid, cotrimoxazole, cephalosporins, and gentamicin may be inadequate due to their limited activity against uropathogens in our setting.

PMID:
28497052
PMCID:
PMC5405357
DOI:
10.1155/2017/4909452
[Indexed for MEDLINE]
Free PMC Article

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