In vitro antibacterial activity of rifampicin in combination with imipenem, meropenem and doripenem against multidrug-resistant clinical isolates of Pseudomonas aeruginosa

Table 1 MIC reduced fold-change of the multidrug-resistant P. aeruginosa isolates to various antibiotic combinations

Antibiotic combinations	0.03–128 mg/L ceftazidime	0.03–128 mg/L imipenem	0.03–128 mg/L meropenem	0.03–128 mg/L doripenem
4 mg/L tazobactam	No difference^a	No difference^a	No difference^a	No difference^a
8 mg/L phosphomycin	No difference^a	No difference^a	No difference^a	No difference^a
8 mg/L sulbactam	No difference^a	No difference^a	No difference^a	No difference^a

ISSN: 1471-2334