Table 2.
Antimicrobial susceptibility (disc diffusion) of 44 ACB complex isolates recovered from 38 ICU patients.
| Antibiotics | Nonsusceptible |
|---|---|
| (intermediate and resistant) (%) | |
| GEN | 35 (79.5) |
| AKN | 32 (72.7) |
| IMI | 39 (88.6) |
| MER | 39 (88.6) |
| CIP | 37 (84.1) |
| PZ | 39 (88.6) |
| CAZ | 38 (86.4) |
| FEP | 39 (88.6) |
| AMS | 37 (84.1) |
| CPS | 37 (84.1) |
| COL | 0 |
GEN, gentamicin; AKN, amikacin; IMI, imipenem; MER, meropenem; CIP, ciprofloxacin; PZ, piperacillin/tazobactam; CAZ, ceftazidime; FEP, cefepime; AMS, ampicillin/sulbactam; CPS, cefoperazone/sulbactam; COL, colistin.
Antimicrobial categories: aminoglycosides (gentamicin and amikacin); antipseudomonal carbapenems (imipenem and meropenem); antipseudomonal fluoroquinolones (ciprofloxacin); antipseudomonal penicillin + β-lactamase inhibitors (piperacillin/tazobactam); extended-spectrum cephalosporins (ceftazidime and cefepime); penicillins+ β-lactamase inhibitors (ampicillin/sulbactam), cephalosporin+ β-lactamase inhibitors (cefoperazone/sulbactam); polymyxin (colistin).
MDR: nonsusceptible to ≥1 agent in ≥3 antimicrobial categories.