TABLE 2

Antimicrobial susceptibility testing of Enterococcus spp. and Staphylococcus spp. isolated from IE patients

Sample no.Antimicrobial resistance genes by FilmArray BCID multiplex PCR approachRoutine diagnostic approachMatches routine approach?
AntimicrobialsAntimicrobial susceptibility testing result by Vitek 2a
Enterococcus sp.
1    vanA-vanB negativeTeicoplanin-vancomycinSusceptible
2    vanA-vanB negativeTeicoplanin-vancomycinSusceptible
3    vanA-vanB negativeTeicoplanin-vancomycinSusceptible
4    vanA-vanB negativeTeicoplanin-vancomycinSusceptible
5    vanA-vanB negativeTeicoplanin-vancomycinSusceptible
S. aureus
6    mecA negativeCefoxitin-oxacillinNA
7    mecA negativeCefoxitin-oxacillinSusceptible
8    mecA negativeCefoxitin-oxacillinNA
9    mecA negativeCefoxitin-oxacillinSusceptible
10    mecA negativeCefoxitin-oxacillinSusceptible
11    mecA negativeCefoxitin-oxacillinNA
12    mecA negativeCefoxitin-oxacillinSusceptible
13    mecA negativeCefoxitin-oxacillinSusceptible
Staphylococcus sp.
14    mecA positiveCefoxitin-oxacillinNA
15    mecA positiveCefoxitin-oxacillinResistant
16    mecA positiveCefoxitin-oxacillinNA
  • a NA, not applicable (no culture growth).