Species | Mechanism (n) | Hydrolysis, n, time | Meropenem MIC (mg/L) | Imipenem MIC (mg/L) | Ertapenem MIC (mg/L) | |
---|---|---|---|---|---|---|
Test panel | K. pneumoniae | KPC-2 (4) | 4 - >32 | 4 - >32 | 2 - >32 | |
KPC-3 (2) | 10/10 | |||||
KPC (4) | 15 min | |||||
VIM-1 (3) | 3/3 | >32 | 32 - >32 | 8 - >32 | ||
120 min | ||||||
NDM-1 (4) | 4/4 | >32 | >32 | >32 | ||
120 min | ||||||
Classic ESBL (6) | 0/6 | na | na | 0.016 - 0.125 | ||
120 min | ||||||
Acquired AmpC 6) | 0/6 | 0.064 - 0.125 | 0.064 - 0.25 | 0.032 - 2 | ||
120 min | ||||||
P. aeruginosa | VIM-1 (2) | >32 | >32 | >32 | ||
VIM-2 (6) | 6/10 | |||||
VIM (2) | 120 min | |||||
IMP-14 (1) | ||||||
Carba R | 0/10 | 8 - >32 | 4 - >32 | >32 | ||
(non-MBL) (10) | 120 min | |||||
Validation panel | A. baumannii | OXA 23-like (n = 2) | 4/4 | >32 | >32 | >32 |
OXA 24-like (n = 1) | 24 h | |||||
OXA 58-like (n = 1) | ||||||
P. aeruginosa | VIM-1 (3) | 2/4 | >32 | >32 | >32 | |
VIM-2 (1) | 120 min | |||||
K. pneumoniae | OXA-48 (3) | 3/3 24 h | 4 - >32 | 4 - >32 | 1 - >32 | |
KPC-2 (4) | 4/4 15 min | >32 | >32 | >32 | ||
VIM-1 (2) | 2/2 120 min | >32 | >32 | >32 | ||
NDM-1 (2) | 2/2 | >32 | >32 | >32 | ||
120 min | ||||||
E. coli | OXA-48 (1) | 1/1 24 h | 16 | 8 | 4 | |
CTX-M-15 (n = 1) | 0/2 | 0.125 - 0.25 | 0.25 - 0.5 | 0.064 - 0.125 | ||
CTX-M-15+ CIT (n = 1) | 120 min and 24 h |