Mutant Prevention Concentrations of Imipenem and Meropenem against Pseudomonas aeruginosa and Acinetobacter baumannii
Table 2
Antibiotic Susceptibility Testing for Pseudomonas spp.
Antimicrobial agent
Pseudomonas spp.
P1
P2
P3
P4
P5
(mm)
S-I-R
(mm)
S-I-R
(mm)
S-I-R
(mm)
S-I-R
(mm)
S-I-R
Imipenem
22
S
23
S
25
S
9
R
11
R
Meropenem
14
S
18
S
31
S
14
R
8
R
Aztreonam
21
I
14
R
26
S
22
S
19
I
Ceftazidime
22
S
14
R
26
S
20
S
13
R
Gentamycin
19
S
6
R
24
S
15
S
15
S
Ciprofloxacin
30
S
6
R
25
S
24
S
14
R
Piperacillin/Tazobactam
25
S
20
S
26
S
21
S
13
R
Piperacillin
23
S
17
R
11
R
21
S
12
R
Tobramycin
21
S
7
R
24
S
17
S
19
S
Amikacin
23
S
17
S
22
S
17
S
17
S
Trimethoprim Sulfamethoxazole
6
R
6
R
12
R
6
R
6
R
“S” stands for susceptible, “I” for intermediate resistance, and “R” for resistant. “” stands for diameter of inhibition zone. P1 through P5 represent the 5 Pseudomonas spp. strains studied. The test was done according to CLSI guidelines.
