Table 1.
The minimum inhibitory concentrations (MICs) of antibiotics and antimicrobial resistance genes (ARGs) of four carbapenem-resistant Klebsiella pneumoniae isolates.
| Antibiotics | CRKP238 | CRKP241 | CRKP279 | CRKP319 |
|---|---|---|---|---|
| MIC (mg/L) | ||||
| Imipenem | 64 | 8 | 16 | 16 |
| Meropenem | >128 | 16 | 64 | 32 |
| Amikacin | 2 | 2 | 2 | >128 |
| Levofloxacin | 64 | 4 | <0.125 | 16 |
| Tigecycline | 2 | 32 | 2 | 4 |
| Polymyxin | 2 | 4 | 2 | 2 |
| Aztreonam | >128 | >128 | 32 | >128 |
| ATM/AVI | 0.5/4 | 0.5/4 | 0.5/4 | 0.25/4 |
| CZA | >256/4 | >256/4 | >256/4 | >256/4 |
| ICR | 0.25/4 | 8/4 | 32/4 | 16/4 |
| MEV | 1/8 | 16/8 | >32/8 | 16/8 |
| ARGs |
blaKPC-2
blaNDM-5 blaTEM blaCTX-M-65 |
blaKPC-2
blaNDM-1 blaTEM qnrS |
blaKPC-2
blaNDM-5 blaTEM |
blaKPC-2
blaNDM-1 blaTEM blaSHV qnrS |
ATM/AVI, aztreonam/avibactam; CZA, ceftazidime/avibactam; ICR, imipenem-cilastatin/relebactam; MEV, meropenem/vaborbactam.