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Table 3 Minimum Inhibitory Concentration (MIC) to 12 clinical isolates of multidrug-resistant Enterococcus faecium

From: Molecular analysis and distribution of multidrug-resistant Enterococcus faeciumisolates belonging to clonal complex 17 in a tertiary care center in Mexico City

Clinical isolate Antibiotics (MIC μg/ml)
Am Amc CIP CC C GM S RA E Va TEI Te D LZN F/M TGC
133H 128 128 512 128 64 32 512 4 32 512 16 1 1 1 8 2
926U 256 256 4 128 32 32 64 4 32 512 32 64 8 2 2 2
821U 128 128 256 256 32 32 32 32 32 256 128 64 64 2 16 1
851H 128 128 512 256 32 32 ≥512 4 32 512 16 2 1 4 16 2
215H 128 128 512 256 32 32 ≥512 4 32 512 16 2 0.25 1 4 1
222U 64 128 256 256 32 32 32 16 32 256 32 64 16 2 32 1
127U 128 128 256 256 32 32 32 32 32 256 64 64 16 8 32 2
30H 128 128 256 256 32 32 32 16 32 256 256 64 16 1 16 2
634U 64 64 256 256 32 32 ≥512 4 32 256 16 4 0.5 2 8 2
459U 256 256 256 256 64 32 32 16 32 256 32 64 16 2 16 1
422H 128 128 256 256 32 32 32 8 32 256 64 64 8 2 16 1
155U 128 128 256 256 32 32 128 8 32 256 64 64 16 2 16 2
CVR * ≥16 ≥8 ≥4 ≥4 ≥32 ≥16 ≥16 ≥4 ≥8 ≥32 ≥16 ≥16 ≥8 ≥4 ≥128 ≥16
% R 100 100 100 100 100 100 100 100 100 100 100 67 67 16.7 0 0
  1. Ampicillin (Am), amoxacillin/clavulanate (Amc), ciprofloxacin (CIP), clindamycin (CC), chloramphenicol (C), gentamicin (GM), streptomycin (S), rifampin (RA), erythromycin (E), vancomycin (Va), teicoplanin (TEI), tetracycline (Te), doxycycline (D), linezolid (LZN), nitrofurantoin (F/M), and tigecycline (TGC), *Cut-off values for resistance to MIC(μg/ml), Percentage of resistant (%R).