Skip to main content

Table 3 MIC profile of AMK and comparators for isolates of P. aeruginosa

From: In vitro potency of amikacin and comparators against E. coli, K. pneumoniae and P. aeruginosa respiratory and blood isolates

Isolates

Antimicrobial agent

Range

Modal

MIC50

MIC90

%S

All isolates

AMK

≤0.5–>64

4

8

16

95

n = 814

ATM

≤0.06–>64

4

8

32

67

 

FEP

≤0.06–>64

2

4

32

73

 

CAZ

0.125–>64

2

4

64

74

 

C/T

≤0.06–>64

0.5

0.5

4

95

 

CIP

≤0.015–>16

0.125

0.25

16

68

 

IPM

≤0.06–>64

1

2

16

62

 

MEM

≤0.06–>64

0.5

1

16

71

 

TZP

≤0.25–>256

8

8

256

67

 

TOB

≤0.06–>64

0.5

1

8

90

MDR+isolates

AMK

0.5–>64

8

8

32

87

n = 116

ATM

0.25–>64

128

32

128

19

 

FEP

2–>64

32

32

128

13

 

CAZ

2–>64

128

64

128

16

 

C/T

0.5–>64

1

2

32

78

 

CIP

2–>64

32

16

32

11

 

IPM

0.5–>64

32

16

32

11

 

MEM

0.25–>64

16

16

64

17

 

TZP

4–>256

256

256

512

6

 

TOB

0.125–>64

1

4

128

52

MEM-R isolates

AMK

0.5–>64

8

8

16

91

n = 236

ATM

0.25–>64

32

16

64

35

 

FEP

1–>64

16

16

64

42

 

CAZ

0.5–>64

128

16

128

47

 

C/T

0.25–>64

1

1

8

89

 

CIP

0.06–>16

32

4

32

35

 

IPM

0.25–>64

16

16

32

11

 

MEM

4–>64

16

16

32

0

 

TZP

4–>256

32

32

512

36

 

TOB

≤0.06–>64

1

1

64

74

FEP-R isolates

AMK

0.5–>64

8

8

32

89

n = 222

ATM

0.25–>64

32

32

128

23

 

FEP

16–>64

16

32

64

0

 

CAZ

2–>64

128

32

128

26

 

C/T

0.25–>64

1

2

8

85

 

CIP

0.06–>16

32

4

32

39

 

IPM

0.5–64

16

8

32

37

 

MEM

≤0.06–>64

16

8

32

38

 

TZP

1–>256

256

128

512

20

 

TOB

0.25–>64

1

1

64

76

TZP-R isolates

AMK

0.5–>64

8

8

16

91

n = 267

ATM

0.25–>64

32

32

128

27

 

FEP

1–>64

16

16

64

34

 

CAZ

0.5–>64

128

32

128

31

 

C/T

0.25–>64

1

2

8

88

 

CIP

≤0.015–>16

32

2

32

46

 

IPM

0.125–>64

32

8

32

39

 

MEM

0.125–>64

16

4

32

44

 

TZP

32–>256

32

128

512

0

 

TOB

0.25–>64

1

1

64

78

  1. AMK amikacin; ATM aztreonam; FEP cefepime; CAZ ceftazidime; C/T ceftolozane/tazobactam; CIP ciprofloxacin; IPM imipenem; MEM meropenem; TZP piperacillin/tazobactam; TOB obramycin