Volume 17, Number 10—October 2011
Perspective
Global Spread of Carbapenemase-producing Enterobacteriaceae
Table 2
Breakpoint values (MIC, mg/L) for carbapenems according to guidelines in Europe (EUCAST) and the United States (CLSI), September 2010*
| Carbapenem | EUCAST | CLSI | |||
|---|---|---|---|---|---|
| S | R | S | R | ||
| Ertapenem | <0.5 | >1 | <0.25 | >1 | |
| Imipenem | <2 | >8 | <1 | >4 | |
| Meropenem | <2 | >8 | <1 | >4
*EUCAST, European Committee on Antimicrobial Susceptibility Testing (www.eucast.org/clinical_breakpoints); CLSI, Clinical and Laboratory Standards Institute; S, sensitive; R, resistant. *EUCAST, European Committee on Antimicrobial Susceptibility Testing (www.eucast.org/clinical_breakpoints); CLSI, Clinical and Laboratory Standards Institute; S, sensitive; R, resistant. | |
*EUCAST, European Committee on Antimicrobial Susceptibility Testing (www.eucast.org/clinical_breakpoints); CLSI, Clinical and Laboratory Standards Institute; S, sensitive; R, resistant.


