Epidemiological patterns and antimicrobial resistance of bacterial diarrhea among children in Nairobi City, Kenya
Gastroenterology and Hepatology from Bed to Bench,
Vol. 13 No. 3 (2020),
2 June 2020
,
Page 238-246
https://doi.org/10.22037/ghfbb.v13i3.1910
Abstract
Aim: Determine the prevalence of enteric bacterial pathogens and their antimicrobial resistance among diarrheic children in Nairobi City, Kenya.
Background: Regardless of enteric bacterial pathogens being a major cause of gastroenteritis in children, their occurrence and antimicrobial resistance patterns reveals regional spatial and temporal variation.
Methods: In a cross-sectional study, a total of 374 children below five years presenting with diarrhea at Mbagathi County Hospital were recruited. Stool microbiology test was used to detect enteric bacterial infection. Antimicrobial resistance was determined using the disk diffusion method.
Results: Diarrheagenic E. coli (36.4%) was the leading species followed by Shigella (3.2%), Salmonella (2.4%), Campylobacter (1.6%), Yersinia (1.3%) and Aeromonas (1.1%) species. Escherichia coli pathotyping revealed that 20.9%, 4.0%, 10.2% and 0.5% of the study participants were infected with enteroaggregative E. coli (EAEC), enteropathogenic E. coli (EPEC), enterotoxigenic E. coli (ETEC) and enteroinvasive E. coli (EIEC) pure isolates while the prevalence of mixed pathotype infections was 0.3% for EAEC/EPEC/ETEC and 0.5% for EAEC/ETEC. Shigella sero-grouping revealed that 0.5%, 0.3%, 1.9%, and 0.5% were infected with Shigella boydii, Shigella dysentriae, Shigella flexneri and Shigella sonnei pure isolates. Shigella species and E. coli co-infection was detected in 2.4% of the children, specifically, 1.1% for EAEC/Shigella boydii, 0.5% for EAEC/Shigella dysentriae and 0.3% in each case of EAEC/Shigella sonnei, EPEC/Shigella flexneri and ETEC/Shigella flexneri co-infections. Most of the isolates were resistant to commonly prescribed antibiotics.
Conclusion: There was a high prevalence of enteric bacterial pathogens and co-infection alters epidemiological dynamics of bacterial diarrhea in children. Continuous antibiotic resistance surveillance is justified because the pathogens were highly resistant to commonly prescribed antimicrobials.
Keywords: Epidemiology; antimicrobial resistance; bacterial diarrhea.
(Please cite as: Kilongosi Webale M, Wanjala C, Guyah B, Shaviya N, Munyekenye GO, Lokamar Nyanga P, et al. Epidemiological patterns and antimicrobial resistance of bacterial diarrhea among children in Nairobi city,Kenya. Gastroenterol Hepatol Bed Bench 2020; 12(3):238-246).
- Aetiology
- antimicrobial resistance
- bacterial diarrhea.
How to Cite
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