Table 1 Antimicrobial susceptibility testing result of Escherichiacoli strain isolated from the patient. MIC: minimum inhibitory concentration.

From: Potential role of avibactam in restoring susceptibility in Escherichia coli with two copies of blaKPC-3 and PBP3 mutations

Antimicrobial agent

MIC (mg/L)

Susceptibility

Amoxicillin/clavulanic acid

> 16

R

Ampicillin

> 16

R

Cefepime

> 16

R

Cefotaxime

> 32

R

Ceftazidime

32

R

Cefuroxime

> 32

R

Piperacillin/tazobactam

> 64

R

Ceftolozane/tazobactam

> 16

R

Ceftazidime/avibactam

< = 0.12

S

Ertapenem

> 4

R

Meropenem

> 8

R

Imipenem/relebactam

< = 0.25

S

Meropenem/vaborbactam

< = 0.5

S

Cefiderocol

< = 2

S

Amikacin

4

S

Gentamicin

< = 1

S

Ciprofloxacin

> 2

R

Levofloxacin

> 4

R

Eravacycline

< = 0.12

S