Prospective Cohort Study of the Relative Abundance of Extended-Spectrum-Beta-Lactamase-Producing Escherichia coli in the Gut of Patients Admitted to Hospitals

Author:

de Lastours Victoire123,Chopin Dorothée12,Jacquier Hervé124,d'Humières Camille12,Burdet Charles12,Chau Françoise12,Denamur Erick125,Fantin Bruno123

Affiliation:

1. INSERM, IAME, UMR1137, Sorbonne Paris Cité, Paris, France

2. Université Paris Diderot, IAME, UMR1137, Sorbonne Paris Cité, Paris, France

3. Assistance-Publique des Hôpitaux de Paris, Service de Médecine Interne, Hôpital Beaujon, Clichy, France

4. Assistance-Publique des Hôpitaux de Paris, Service de Microbiologie, Hôpital Lariboisière, Paris, France

5. Assistance-Publique des Hôpitaux de Paris, Laboratoire de Génétique Moléculaire, Hôpital Bichat, Paris, France

Abstract

ABSTRACT A total of 458 patients were prospectively included at hospital admission and screened for extended-spectrum-beta-lactamase-producing (ESBL) Escherichia coli carriage in 2007 and in 2010 to 2012. A 4-fold increase in ESBL carriage (3% to 12%), a 5-fold increase in numbers of community patients among ESBL carriers, and a higher number of multiple ESBL strains was found in the 2010 to 2012 period. ESBL E. coli represented the dominant E. coli strain (relative abundance, >50%) in 10/32 (31%) of ESBL carriers. This represents a major threat in terms of infectious risk and dissemination.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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