OXA-24+ OXA-51 (n = 11) | CL | TGa | AMK | FEP | CAZ | PTZ | AMS |
---|
MICs | ≦0.5 | 1 | 1 | 2 | 4 | ≧8 | 8 | ≧128 | 64 | ≧128 | ≧128 | ≧128 | 32 | 64 | 128 |
Percentage | 45% | 55% | 9% | 64% | 0% | 27% | 9% | 91% | 9% | 91% | 100% | 100% | 9% | 36% | 55% |
Number of isolates | 5 | 6 | 1 | 7 | 0 | 3 | 1 | 10 | 1 | 10 | 11 | 11 | 1 | 4 | 6 |
susceptibility | S | S | S | I | R | R | S | R | R | R | R | R | R | R | R |
- Abbreviations: CL colistin, TG tigecycline, AMK amikacin, FEP cefepime, CAZ ceftazidime, PTZ piperacillin-tazobactam, AMS ampicillin/sulbactam, R resistant, S sensitive, I intermediate
- aThe MICs of tigecycline were interpreted according to the European Committee on Antimicrobial Susceptibility Testing breakpoint for Enterobacteriaceae spp. (MIC > 2 mg/L as resistant)
- The MICs of the other tested antibiotics were interpreted according to the Clinical and Laboratory Standards Institute (CLSI) guidelines