Mutant Prevention Concentrations of Imipenem and Meropenem against Pseudomonas aeruginosa and Acinetobacter baumannii
Table 1
Antibiotic Susceptibility Testing for Acinetobacter baumannii.
Antimicrobial agent
Acinetobacter baumannii
A1
A2
A3
A4
A5
(mm)
S-I-R
(mm)
S-I-R
(mm)
S-I-R
(mm)
S-I-R
(mm)
S-I-R
Imipenem
19
S
6
R
9
R
6
R
9
R
Meropenem
19
S
6
R
8
R
9
R
8
R
Cefotaxime
6
R
6
R
6
R
21
I
6
R
Ceftazidime
6
R
6
R
6
R
28
S
6
R
Cefepime
6
R
6
R
6
R
28
S
6
R
Ertapenem
11
R
6
R
6
R
6
R
6
R
Gentamycin
7
R
6
R
6
R
31
S
9
R
Cefuroxime
6
R
6
R
6
R
6
R
6
R
Cefoxitin
6
R
12
R
12
R
6
R
15
R
Ciprofloxacin
6
R
6
R
6
R
29
S
9
R
Amoxicillin + clavulanic acid
6
R
6
R
6
R
7
R
6
R
Tigecycline
17
S
19
S
19
S
21
S
19
S
Tobramycin
16
S
11
R
10
R
25
S
10
R
Amikacin
16
I
13
R
10
R
32
S
11
R
Trimethoprim Sulfamethoxazole
6
R
6
R
6
R
21
S
6
R
Ampicillin
6
R
6
R
6
R
6
R
6
R
“S” stands for susceptible, “I” for intermediate resistance, and “R” for resistant. “” stands for diameter of inhibition zone. A1 through A5 represent the 5 Acinetobacter baumannii strains studied. The test was done according to CLSI guidelines.
