Table 2. Antimicrobial susceptibility testing among bla NDM-1-carrying isolates and their transconjugants.
Antibiotics | Patient 1 | Patient 2 | ||
E. coli | Transconjugant | K. pneumoniae | Transconjugant | |
Ampicillin | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml |
Cefazolin | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml |
Cefotaxime | ≥64 µg/ml | ≥64 µg/ml | ≥64 µg/ml | ≥64 µg/ml |
Ceftazidime | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml |
Cefepime | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml |
Aztreonam | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml |
Cefoxitin | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml | ≥32 µg/ml |
Ertapenem | ≥8 µg/ml | ≥8 µg/ml | ≥8 µg/ml | ≥8 µg/ml |
Imipenem | ≥8 µg/ml | ≥8 µg/ml | ≥8 µg/ml | ≥8 µg/ml |
Meropenem | ≥8 µg/ml | ≥8 µg/ml | ≥8 µg/ml | 4 µg/ml |
Doripenem | ≥8 µg/ml | ≥8 µg/ml | ≥8 µg/ml | ≥8 µg/ml |
Ciprofloxacin | ≥4 µg/ml | ≤0.06 µg/ml | ≥4 µg/ml | ≤0.06 µg/ml |
Gentamicin | ≥16 µg/ml | ≥16 µg/ml | ≤1 µg/ml | ≤1 µg/ml |
Amikacin | ≤4 µg/ml | ≤4 µg/ml | ≤4 µg/ml | ≤4 µg/ml |
Colistin | ≤0.5 µg/ml | ≤0.5 µg/ml | 1 µg/ml | ≤0.5 µg/ml |
Tigecycline | 0.5 µg/ml | ≤0.25 µg/ml | 1 µg/ml | ≤0.25 µg/ml |
SXTa | ≥4 µg/ml | 2 µg/ml | ≥4 µg/ml | 2 µg/ml |
SXT: Trimethoprim/sulfamethoxazole.
Trimethoprim/sulfamethoxazole MICs are presented according to the concentration of trimethoprim.