Volume 18, Number 9—September 2012
Letter
blaOXA-181–positive Klebsiella pneumoniae, Singapore
Table
Antimicrobial drug susceptibilities of 3 blaOXA-181–positive Klebsiella pneumoniae isolates, Singapore*
| Drug | MIC (mg/L) |
||
|---|---|---|---|
| DB53879_11 | DX1083_11 | BL21479_11 | |
| Ampicillin | ≥256 | ≥256 | ≥256 |
| Amoxicillin/clavulanate | ≥256 | ≥256 | ≥256 |
| Piperacillin/tazobactam | ≥256 | ≥256 | ≥256 |
| Cefuroxime | ≥256 | ≥256 | ≥256 |
| Ceftriaxone | ≥32 | ≥32 | ≥32 |
| Ceftazidime | ≥256 | ≥256 | ≥256 |
| Cefepime | ≥256 | ≥256 | ≥256 |
| Ertapenem | ≥32 | ≥32 | ≥32 |
| Imipenem | 16 | ≥32 | 16 |
| Meropenem | ≥32 | ≥32 | ≥32 |
| Doripenem | ≥32 | ≥32 | ≥32 |
| Ciprofloxacin | ≥32 | ≥32 | ≥32 |
| Levofloxacin | ≥32 | ≥32 | ≥32 |
| Gentamicin | ≥256 | ≥256 | ≥256 |
| Amikacin | ≥256 | ≥256 | ≥256 |
| Sulfamethoxazole/trimethoprim | ≥32 | ≥32 | ≥32 |
| Tetracycine | ≥256 | ≥256 | 8 |
| Tigecycline | 4 | 4 | 4 |
| Polymyxin B | 0.5 | 1 | 4 |
*OXA-181, oxacillinase-181.


