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Year : 2020  |  Volume : 27  |  Issue : 2  |  Page : 136-142

High carriage rates of extended-spectrum beta-lactamase-producing enterobacteriaceae in children at admission into paediatric wards of a university teaching hospital in Lagos, Nigeria

1 Department of Medical Microbiology, College of Medicine, University of Lagos, Idi-Araba, Akoka, Lagos, Nigeria
2 Research and Innovation Unit, University of Lagos, Akoka, Lagos, Nigeria

Correspondence Address:
Prof. Folasade T Ogunsola
Department of Medical Microbiology, University of Lagos, Akoka, Lagos
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/npmj.npmj_209_19

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Context: Bowel carriage has been identified as the main reservoir of extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-PE) and hospital-acquired infections. There are gaps in the knowledge of trends of these rates, which need to be filled for the development and implementation of hospital surveillance systems and antibiotic stewardship programmes in Nigeria. Aim: This study investigated the carriage rates of ESBL-PE among 273 children admitted to the paediatric wards of a university teaching hospital, Nigeria, using a prospective cohort study design over a 6-month period. Settings and Design: The study explored the role of new and transferred patients in introducing resistant strains of ESBLs into paediatric wards and how quickly paediatric patients that were previously free of resistant strains acquired these within the hospital environment. Materials and Methods: E-swabs (Copan Diagnostics, Italy) were used to obtain rectal samples from participants. Positive colonies were Gram stained and subcultured onto purity plates for further identification, and antibiotic susceptibility pattern of identified ESBL-PE was obtained using a range of antibiotics. Statistical Analysis Used: Data were analysed using SPSS statistics 20 (IBM SPSS Statistics, version 20). Statistical significance was determined using the Chi-square test and Fisher's exact test. A logistic regression analysis was also conducted to identify independent risk factors for colonisation. Results: The findings showed that transferred patients contributed to the introduction of ESBLs into the hospital. Independent multivariate risk factors for colonisation of ESBL-PE were age >10–14 years, instrumentation (odds ratio [OR]: 0.2 [P < 0.05]) and sharing of thermometers (OR: 0.11 [P < 0.05]). Conclusions: The carriage rate of ESBL-PE is high (25.3%) among children, and none-carriers may become colonised within 14 days of hospitalisation.

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