Volume 16, Number 9—September 2010
Research
Worldwide Diversity of Klebsiella pneumoniae That Produce β-Lactamase blaKPC-2 Gene1
Table 4
MICs of carbapenems for clinical Klebsiella pneumoniae isolates expressing KPC-2 β-lactamase*
| Isolate type | Carbapenem MIC, mg/L |
||
|---|---|---|---|
| Imipenem | Meropenem | Ertapenem | |
| YC | 4 | 2 | 24 |
| GR | 12 | 6 | 12 |
| K271 | 4 | 4 | 16 |
| KN2303 | >32 | >32 | >32 |
| KN633 | >32 | 4 | >32 |
| INC H1521-6 | 6 | 3 | 8 |
| INC H1516-6 | 4 | 4 | 32 |
| HPTU 27635 | 4 | 2 | 12 |
| HPTU 2020532 | 16 | 16 | 24 |
| A28006 | 16 | 32 | 24 |
| A28008 | 24 | 16 | 32 |
| A28009 | >32 | >32 | >32 |
| A28011 | >32 | >32 | >32 |
| A33504 | >32 | >32 | >32 |
| 475 | 16 | >32 | >32 |
| 588 | 24 | 16 | 32 |
*KPC, K. pneumoniae carbapenemase.
1This study was presented in part at the Interscience Conference on Antimicrobial Agents and Chemotherapy; 2009 Sep 12–15; San Francisco, CA, USA.


