Table 1 Carbapenem β-lactamases
From: The role of carbapenems in initial therapy for serious Gram-negative infections
β-Lactamase | Organisms |
|---|---|
Class A: KPC 1 to 4 | Klebsiella, Escherichia coli, Enterobacter, Salmonella, Pseudomonas |
Class B: metallo-β-lactamases | Pseudomonas, Acinetobacter, Enterobacter, E. coli, Shigella, Serratia |
Class C: AmpC-like | Klebsiella, E. coli, Enterobacter, Pseudomonas, Acinetobacter |
Class D: oxacillinases | Pseudomonas, Acinetobacter, Enterobacter, Serratia |