TABLE 1.
Antibiotic susceptiblities of the A. baumannii strains used in this studya
| Strain | MIC (μg ml−1)a
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CAZ | CTX | FEP | PIP | TZPb | ATM | IMP | MEM | CIP | AMK | GEN | SXT | |
| ab3 | 48 | >256 | 6 | >256 | >256 | 24 | 1 | 0.38 | 0.125 | 3 | 256 | >32 |
| ab4 | 32 | >256 | 16 | >256 | >256 | 24 | 1 | 0.5 | 0.25 | 8 | 256 | >32 |
| ab8 | 48 | >256 | 24 | >256 | >256 | 24 | 1 | 0.5 | 0.38 | 12 | >256 | >32 |
| ab12 | 48 | >256 | 16 | >256 | >256 | 16 | 1 | 0.5 | 0.25 | >256 | >256 | >32 |
| ab20 | 24 | >256 | 24 | >256 | >256 | 12 | 1.5 | 0.75 | 3 | 128 | >256 | >32 |
| ab1308 | >256 | >256 | >256 | >256 | >256 | 64 | 2 | 0.75 | >32 | >256 | >256 | >32 |
| ab1254 | >256 | >256 | 32 | >256 | >256 | 32 | 3 | 0.75 | >32 | >256 | >256 | >32 |
| ab1316 | >256 | >256 | >256 | >256 | >256 | 24 | 3 | 1.5 | >32 | >256 | >256 | >32 |
| ab1297 | >256 | >256 | 32 | >256 | >256 | 32 | 8 | 32 | >32 | >256 | >256 | >32 |
| ab1265 | >256 | >256 | 24 | >256 | >256 | 32 | >32 | >32 | >32 | >256 | >256 | >32 |
| ab1266 | >256 | >256 | 32 | >256 | >256 | 48 | >32 | >32 | >32 | >256 | >256 | >32 |
| abh9 | >256 | >256 | >256 | >256 | >256 | 24 | 32 | >32 | >32 | >256 | >256 | >32 |
| abh11 | >256 | >256 | 48 | >256 | >256 | 32 | 32 | >32 | >32 | >256 | >256 | >32 |
| abh13 | >256 | >256 | >256 | >256 | >256 | 16 | 32 | >32 | >32 | >256 | >256 | >32 |
| abh14 | >256 | >256 | 256 | >256 | >256 | 24 | 32 | >32 | >32 | >256 | >256 | >32 |
| abh17 | >256 | >256 | 48 | >256 | >256 | 64 | 32 | 16 | >32 | >256 | >256 | >32 |
| abh18 | >256 | >256 | 256 | >256 | >256 | 16 | 32 | 32 | >32 | >256 | >256 | >32 |
| abh20 | >256 | >256 | 256 | >256 | >256 | 16 | 32 | 32 | >32 | >256 | >256 | >32 |
| abh26 | >256 | >256 | 256 | >256 | >256 | 16 | 32 | 32 | >32 | >256 | >256 | >32 |
| abh29 | >256 | >256 | 96 | >256 | >256 | 16 | 32 | >32 | >32 | >256 | >256 | >32 |
| abh36 | >256 | >256 | 256 | >256 | >256 | 12 | 32 | >32 | >32 | >256 | >256 | >32 |
| abh37 | >256 | >256 | 128 | >256 | >256 | 32 | 32 | 32 | >32 | >256 | >256 | >32 |
| abh39 | >256 | >256 | 256 | >256 | >256 | 32 | 32 | 32 | >32 | >256 | >256 | >32 |
a
Antibiotic abbreviations: PIP, piperacillin; TZP, piperacillin-tazobactam; CAZ, ceftazidime; CTX, cefotaxime; FEP, cefepime; ATM, aztreonam; IMP, imipenem; MEM, meropenem; CIP, ciprofloxacin; AMK, amikacin; GEN, gentamicin; SXT, trimethoprim-sulfamethoxazole.
b
Contains 4 μg ml−1 of tazobactam.