Table 2 In vitro activity of 7 antibiotics against 44 E. aerogenes and 8 E. cloacae carbapenems-resistant strains isolated in three Brazilians hospitals using microdilution and agar dilution

Imipenem

0,25–128

8

32

93,2

16

64

100

Meropenem

0,25–128

8

32

93,2

16

16

87,5

Ertapenem

0,25–128

64

128

86,4

64

64

100

Tigecycline

0,03–16

0,25

2

0

1

2

0

Fosfomycin^a

0,25–256

16

64

0

16

32

0

Polymyxin B

0,003–16

1

2

0

1

2

0

Cefepime

0,25–128

≥128

≥128

100

≥128

≥128

100