Table 6.
Summarized results of synergy testing.
| Antibiotic |
A. baumannii 127 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| aBL | aPDI | |||||||||
| E – test | Disk diffusion | Checkerboard assay | Survival rate | Post antibiotic effect | E- test | Disk diffusion | Checkerboard assay | Survival rate | Post antibiotic effect | |
| GEN | + | – | – | +/- | + | – | – | – | – | + |
| DOX | + | + | + | + | + | + | + | – | + | + |
| SXT | – | – | + | + | + | – | – | – | – | + |
| CIP | – | – | – | + | + | – | – | – | – | – |
| IPM | + | + | – | +/– | + | + | – | – | – | – |
| TZP | – | – | – | + | + | – | – | – | – | +/– |
| CAZ | – | – | – | +/– | – | – | – | – | – | +/– |
| SAM | + | + | – | – | + | – | + | – | – | +/– |
| CST | – | – | – | + | – | – | + | + | + | + |
| A. baumannii 128 | ||||||||||
| GEN | – | + | – | – | +/– | + | – | – | – | – |
| DOX | + | – | + | + | + | + | + | + | + | + |
| SXT | – | – | – | – | +/– | – | – | – | – | +/– |
| CIP | - | - | - | - | +/- | - | - | - | - | +/- |
| IPM | - | + | - | + | + | + | + | + | - | +/- |
| TZP | - | - | - | - | - | - | + | - | - | - |
| CAZ | - | - | - | - | - | + | - | - | - | - |
| SAM | + | - | - | +/- | + | + | + | - | +/- | - |
| CST | - | + | - | + | + | - | + | + | + | +/- |
CAZ, ceftazidime; CIP, ciprofloxacin; CST, colistin; DOX, doxycycline; GEN, gentamycin; IPM, imipenem; SAM, ampicillin-sulbactam; SXT, trimethoprim-sulfamethoxazole; TZP, piperacillin-tazobactam.