Table 4.
Summary of phenotypic results of the three Aeromonas hydrophila isolates.
| Antibiotic class | Antibiotic | Aeromonas hydrophila (11/20/18) A-1 | Aeromonas hydrophila (9/23/19) B-1 | Aeromonas hydrophila (10/10/19) B-2 | |||
|---|---|---|---|---|---|---|---|
| MIC (MCG/mL) | Interpretation | MIC (MCG/mL) | Interpretation | MIC (MCG/mL) | Interpretation | ||
| Beta-Lactams | Piperacillin/Tazobactam | >128 | Resistant | >128 | Resistant | >128 | Resistant |
| Ceftriaxone | >32 | Resistant | >64 | Resistant | >64 | Resistant | |
| Ceftazidime | 32 | Resistant | >32 | Resistant | >32 | Resistant | |
| Ceftolozane/Tazobactam | 16 | No Inter Criteria | 8 | No Inter Criteria | 16 | No Inter Criteria | |
| Cefepime | 8 | Susceptible | 4 | Intermediate | >32 | Resistant | |
| Imipenem | 8 | Resistant | 1 | Susceptible | >16 | Resistant | |
| Meropenem | 4 | Resistant | 1 | Susceptible | >16 | Resistant | |
| Ertapenem | >4 | Resistant | >4 | Resistant | >4 | Resistant | |
| Ceftazidime/Avibactam | < =2 | No Inter Criteria | < =2 | No Inter Criteria | 4 | No Inter Criteria | |
| Aminoglycoside | Gentamicin | 1 | Susceptible | < =1 | Susceptible | >16 | Resistant |
| Tobramycin | 8 | No Inter Criteria | 4 | No Inter Criteria | >16 | No Inter Criteria | |
| Amikacin | 2 | Susceptible | 16 | Susceptible | 32 | Intermediate | |
| Trimethoprim-Sulfonamide | Trimethoprim-Sulfonamide | < =1/20 | Susceptible | >4/80 | Resistant | >4/80 | Resistant |
| Colistin | Colistin | >4 | No Inter Criteria | < =2 | No Inter Criteria | >4 | No Inter Criteria |
| Fluoroquinolone | Ciprofloxacin | >2 | Resistant | >4 | Resistant | >4 | Resistant |
| Levofloxacin | 4 | Intermediate | 4 | Intermediate | 2 | Susceptible | |
| Modified Carbapenem Inactivation Method (mCIM) | Positive | Positive | Positive | ||||
| EDTA Carbapenem Inactivation Method (eCIM) | Negative | Negative | Positive | ||||
| Modified Hodge Test (MHT) | Positive | Positive | Positive | ||||