TABLE 4.
Characteristics of CR-ESBL strains resistant to all four carbapenems
| Organism | MIC (μg/ml) |
KPC productiona | Yr | MLST ST | |||
|---|---|---|---|---|---|---|---|
| Imipenem | Meropenem | Doripenem | Ertapenem | ||||
| E. coli | >32 | 6 | 12 | 32 | ND | 2009 | ST131 |
| K. pneumoniae | >32 | 8 | 12 | 16 | KPC | 2002 | ST11 |
| K. pneumoniae | 8 | 24 | 12 | >32 | KPC | 2005 | ST228 |
| K. pneumoniae | >32 | 4 | 4 | 12 | KPC | 2008 | ST111 |
| K. pneumoniae | 8 | 4 | 8 | 12 | KPC | 2009 | ST258 |
| K. pneumoniae | 8 | 8 | 6 | 8 | KPC | 2009 | ST258 |
| K. pneumoniae | 12 | >32 | 12 | >32 | KPC | 2009 | ST258 |
| K. pneumoniae | >32 | >32 | >32 | >32 | KPC | 2009 | ST258 |
| K. pneumoniae | >32 | 4 | 8 | 32 | ND | 2009 | ST15 |
a
KPC, Klebsiella pneumoniae carbapenemase; ND, not detected.