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Eradication of vancomycin resistant Enterococcus faecium from a paediatric oncology unit and prevalence of colonization in hospitalized and community-based children.

Abstract：

:We previously reported an outbreak of vancomycin resistant enterococci (VRE) in a paediatric oncology unit in December 1995 which was associated with widespread environmental contamination of the unit with VRE. We undertook this study to evaluate the effectiveness of the infection control policy instituted subsequent to the outbreak and to investigate the underlying prevalence of VRE colonization in hospitalized, outpatient and community-based children. We sought to establish the molecular similarity of VRE isolates from the study. Stool specimens were obtained from outpatients at risk of VRE, hospital inpatients and from healthy community-based children. VRE colonization was eradicated from the inpatient unit within 11 months, but in outpatients, 16 months after the outbreak, 4 of 137 (2.9 %) attending oncology outpatients, 5 of 65 (7.7%) with cystic fibrosis and 1 of 12 (8.3 %) with liver disease were found to be colonized with VRE. The isolates were all Enterococcus faecium, Van A phenotype except one E. casseliflavus of the Van C phenotype. All were unique in SmaI DNA macrorestriction patterns with the exception of two isolates, which were similar to the original outbreak strain and three further isolates of a single strain but which differed from the outbreak strain. Of 315 hospital inpatients, 2.5 % were colonized with VRE of the Van C resistance phenotype but VRE was not detected in 116 healthy, community-based children. We conclude that effective strategies can successfully control spread of VRE but despite a low prevalence of VRE colonization in hospital patients and in community-based children, outbreaks can occur when infection control practices are not optimal. Continued vigilance to detect VRE and limit spread within hospitals is therefore necessary.

journal_name

Epidemiol Infect

journal_title

Epidemiology and infection

authors

Nourse C,Byrne C,Murphy H,Kaufmann ME,Clarke A,Butler K

doi

10.1017/s095026889900326x

subject

Has Abstract

pub_date

2000-02-01 00:00:00

pages

53-9

issue

eissn

0950-2688

issn

1469-4409

journal_volume

124

pub_type

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Eradication of vancomycin resistant Enterococcus faecium from a paediatric oncology unit and prevalence of colonization in hospitalized and community-based children.