UCSF Medical Center Antimicrobial Susceptibility: Enterococcal Bloodstream Isolates Susceptibilities 2015

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Summary: Of 76 enterococcal bacteremias in 2015, 32 (42%) were vancomycin-resistant.

Inpatient Adult Enterococcal Blood Isolates

  Year

Total Isolates

Ampicillin

Daptomycin*

Linezolid

Tetracyline

Vancomycin

Enterococcus faecalis 

2015

19

100%

100%

100%

31%

100%

Enterococcus faecium

2015

34

12%

91%

100%

21%

21%

*Daptomycin minimum inhibitory concentration distributions:

All isolates: <=0.5: 4% 1: 24% 2: 35% 4: 30% >4: 6%

VRE isolates: <=0.5: 4% 1: 11% 2: 37% 4: 37% >4: 10%