Clinical characteristics and outcomes of patients with vancomycin- susceptible Enterococcus faecalis and Enterococcus faecium bacteraemia in cancer patients

D. Conde-Estévez, S. Grau, J. Albanell, R. Terradas, M. Salvadó, H. Knobel

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28 Citations (Scopus)

Abstract

The purpose of this investigation was to compare the risk factors, clinical features and outcomes in cancer patients with bacteraemia caused by vancomycin-susceptible Enterococcus faecalis and E. faecium. A retrospective, observational 7-year study was carried out in a 450-bed, acute-care university-affiliated hospital. We performed univariate comparisons between the two groups and then multivariate analysis to identify patient risk factors for E. faecium isolation. Seventy-three patients were included in the analysis: 54 (74.0%) with bacteraemia caused by E. faecalis and 19 (26.0%) by E. faecium. The Simplified Acute Physiological Score (SAPS) value was significantly greater in E. faecium isolates (40.7 vs. 35.2; p=0.009). Diabetes mellitus was more frequently diagnosed in patients with E. faecium bacteraemia (52.6% vs. 24.1%; p=0.021). Prior penicillin exposure was more frequent in patients with E. faecium bacteraemia (68.4% vs. 29.6%; p=0.003). There was a trend toward higher mortality in E. faecium bacteraemia patients (47.4% vs. 25.9%; p=0.084). Independent patient risk factors for E. faecium isolation were prior penicillin exposure (odds ratio [OR], 6.479; p=0.003) and SAPS>34 (OR, 6.896; p=0.009). When compared to E. faecalis bacteraemia, E. faecium bacteraemia in cancer patients is independently associated with more severe illness and prior use of penicillins; therefore, empiric treatment which would cover E. faecium should be considered in cancer patients suspected of having bacteraemia. © 2010 Springer-Verlag.
Original languageEnglish
Pages (from-to)103-108
JournalEuropean Journal of Clinical Microbiology and Infectious Diseases
Volume30
Issue number1
DOIs
Publication statusPublished - 1 Jan 2011

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