Neonatal enteral feeding tubes as loci for colonisation by members of the Enterobacteriaceae

Hurrell, E, Kucerova, E, Loughlin, M, Caubilla-Barron, J, Hilton, A, Armstrong, R, Smith, C, Grant, J, Shoo, S and Forsythe, S ORCID: 0000-0002-6709-0712, 2009. Neonatal enteral feeding tubes as loci for colonisation by members of the Enterobacteriaceae. BMC Infectious Diseases, 9, p. 146.

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Abstract

Background: The objective of this study was to determine whether neonatal nasogastric enteral feeding tubes are colonised by the opportunistic pathogen Cronobacter spp. (Enterobacter sakazakii) and other Enterobacteriaceae, and whether their presence was influenced by the feeding regime. Methods: One hundred and twenty-nine tubes were collected from two neonatal intensive care units (NICU). A questionnaire on feeding regime was completed with each sample. Enterobacteriaceae present in the tubes were identified using conventional and molecular methods, and their antibiograms determined. Results: The neonates were fed breast milk (16%), fortified breast milk (28%), ready to feed formula (20%), reconstituted powdered infant formula (PIF, 6%), or a mixture of these (21%). Eight percent of tubes were received from neonates who were 'nil by mouth'. Organisms were isolated from 76% of enteral feeding tubes as a biofilm (up to 107 cfu/tube from neonates fed fortified breast milk and reconstituted PIF) and in the residual lumen liquid (up to 107 Enterobacteriaceae cfu/ml, average volume 250 μl). The most common isolates were Enterobacter cancerogenus (41%), Serratia marcescens (36%), E. hormaechei (33%), Escherichia coli (29%), Klebsiella pneumoniae (25%), Raoultella terrigena (10%), and S. liquefaciens (12%). Other organisms isolated included C. sakazakii (2%),Yersinia enterocolitica (1%),Citrobacter freundii (1%), E. vulneris (1%), Pseudomonas fluorescens (1%), and P. luteola (1%).

Item Type: Journal article
Publication Title: BMC Infectious Diseases
Creators: Hurrell, E., Kucerova, E., Loughlin, M., Caubilla-Barron, J., Hilton, A., Armstrong, R., Smith, C., Grant, J., Shoo, S. and Forsythe, S.
Publisher: BioMed Central
Date: 2009
Volume: 9
Identifiers:
NumberType
10.1186/1471-2334-9-146DOI
Divisions: Schools > School of Science and Technology
Depositing User: EPrints Services
Date Added: 09 Oct 2015 11:05
Last Modified: 09 Jun 2017 13:49
URI: http://irep.ntu.ac.uk/id/eprint/22680

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