From: In vitro antimicrobial effects of aztreonam, colistin, and the 3-drug combination of aztreonam, ceftazidime and amikacin on metallo-β-lactamase-producing Pseudomonas aeruginosa
No. of strains (%) showing effectsa
Time of exposure (h)
Bacteriostatic effects
Bactericidal effects
2
18 (78.3)
2 (8.7)
4
16 (69.6)
5 (21.7)
6
19 (82.6)
7 (30.4)
24
9 (39.1)