Table 1.
Antimicrobial susceptibility profile of the strains analysed using the VITEK 2 system
| MIC, mg/l (S/R) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Isolate | FOX | CAZ | CRO | FEP | DOR | ETP | IMI | MER | AMK | CN | CIP | TGC | COL | mcr-1 | bla | ST |
| KPN 238 | ⩽4 (S) | ⩽1 (S) | ⩽1 (S) | ⩽1 (S) | ⩽0·12 (S) | ⩽0·5 (S) | ⩽0·25 (S) | ⩽0·25 (S) | ⩽2 (S) | ⩽1 (S) | 0·5 (S) | 2 (R) | 16 (R) | − | − | n.d. |
| KPN 1204191 | ⩾6 (R) | ⩾64 (R) | ⩾64 (R) | ⩾64 (R) | ⩾8 (R) | ⩾8 (R) | ⩾16 (R) | ⩾16 (R) | ⩾64 (R) | ⩾16 (R) | ⩾4 (R) | 4 (R) | ⩾16 (R) | − | KPC-2 | n.d. |
| KPN 1220672 | ⩾6 (R) | ⩾64 (R) | ⩾64 (R) | ⩾64 (R) | ⩾8 (R) | ⩾8 (R) | ⩾16 (R) | ⩾16 (R) | ⩾64 (R) | ⩾16 (R) | ⩾4 (R) | 4 (R) | ⩾16 (R) | − | KPC-2 | n.d. |
| ECO Z&Z1409 | ⩽4 (S) | 16 (R) | ⩾64 (R) | 2 (R) | ⩽0·12 (S) | ⩽0·5 (S) | ⩽0·25 (S) | ⩽0·25 (S) | ⩽2 (S) | ⩽1 (S) | ⩾4 (R) | 2 (R) | 8 (R) | + | CTX-M-55 | 609 |
FOX, Cefoxitin; CAZ, ceftazidime; CRO, ceftriaxone; FEP, cefepime; DOR, doripenem; ETP, ertapenem; IMI, imipenem; MER, meropenem; AMK, amikacin; CIP, ciprofloxacin; TGC, tigecycline; COL, colistin; ST, sequence type; n.d., not determined.