Enterococcus

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Enterococcus

Enterococcus

Identification

  • Facultative anaerobic, non-spore-forming, gamma-hemolytic, Gram positive diplococci

Background

  • Commensal gut flora
  • Increasing antibiotic resistance

Species

  • E. faecalis
    • More common (90-95%)
    • More sensitive to antibiotics
  • E. faecium
    • Less common (5-10%)
    • Less sensitive to antibiotics
    • Most common VRE

References

  1. ^  Carl-Johan Fraenkel, Måns Ullberg, Sverker Bernander, Evalena Ericson, Peter Larsson, Johan Rydberg, Eva Törnqvist, Åsa Melhus. In vitro activities of three carbapenems against recent bacterial isolates from severely ill patients at Swedish hospitals. Scandinavian Journal of Infectious Diseases. 2006;38(10):853-859. doi:10.1080/00365540600684371.
  2. ^  James H. Jorgensen, Sharon A. Crawford, Cynthia C. Kelly, Jan E. Patterson. In VitroActivity of Daptomycin against Vancomycin-Resistant Enterococci ofVarious Van Types and Comparison of Susceptibility TestingMethods. Antimicrobial Agents and Chemotherapy. 2003;47(12):3760-3763. doi:10.1128/aac.47.12.3760-3763.2003.