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Bacterial resistance to commonly used antimicrobials is an increasing problem in Asia but information concerning the antimicrobial susceptibility of bacteria causing urinary tract infections (UTIs) in children is limited.This was a 5-year retrospective study of children with suspected UTI attending a paediatric hospital in north-west Cambodia. Urines with a positive culture containing a single organism with a count of >10(5) colony-forming units (CFU)/ml were considered diagnostic of infection. The organism was identified and the resistance pattern (using CLSI guidelines) and presence of an extended-spectrum β-lactamase (ESBL) phenotype was determined.In total, there were 217 episodes of infection, 210 (97%) with Gram-negative bacteria. Escherichia coli was the most common infecting isolate with high levels of resistance to most oral antibiotics, except nitrofurantoin. Nearly half of the E. coli (44%) were extended-spectrum cephalosporin (ESC)-resistant with the proportion increasing significantly over the 5-year period. ESC-resistant E. coli were more likely to be multi-drug-resistant and 91% demonstrated an ESBL phenotype.The data highlight the importance of microbiological surveillance of UTIs in children, particularly in areas where there are known to be multiply resistant organisms.

Original publication

DOI

10.1179/2046905515y.0000000008

Type

Journal article

Journal

Paediatrics and international child health

Publication Date

05/2016

Volume

36

Pages

113 - 117

Addresses

b Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Churchill Hospital , Oxford , UK.

Keywords

Humans, Bacteria, Bacterial Infections, Urinary Tract Infections, Anti-Bacterial Agents, Microbial Sensitivity Tests, Retrospective Studies, Drug Resistance, Bacterial, Adolescent, Child, Child, Preschool, Infant, Infant, Newborn, Cambodia, Female, Male