Table 2.
Antimicrobial susceptibility and metallo-β-lactamases of Gram-negative bacilli isolates from different clinical specimens in Tripoli, Libya
| Antimicrobial agent | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. | Organism | AM | CN | EP | IP | MP | CX | CR | CT | CZ | CP | AN | PT | TS | CF | LF | CL | MBLs |
| 1 | Acinetobacter baumannii | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | S | + |
| 2 | Acinetobacter baumannii | R | R | R | R | R | R | R | R | R | R | R | R | S | R | R | S | ND |
| 3 | Pseudomonas aeruginosa | R | R | R | R | R | R | R | R | I | I | I | S | R | R | R | S | + |
| 4 | Pseudomonas putida | R | R | R | R | R | R | R | R | R | R | R | R | R | S | S | S | + |
| 5 | Escherichia coli | S | R | R | S | S | R | R | R | S | R | R | S | R | R | R | S | − |
| 6 | Klebsiella pneumoniae | S | S | R | R | R | R | R | R | R | R | R | R | R | R | R | S | + |
| 7 | Klebsiella pneumoniae | S | R | R | I | R | R | R | R | R | R | R | R | S | R | R | S | − |
| 8 | Enterobacter gergoviae | S | R | R | S | R | R | R | R | R | R | R | R | S | R | R | S | ND |
AK=amikacin, CN=gentamicin, EP=ertapenem, IP=imipenem, MP=meropenem, CX=cefoxitin, CR=cefuroxime, CT=ceftriaxone, CZ=ceftazidime, CP=cefepime, AN=aztronam, PT=pipracillin-tazobactam, TS=trimethoprim-sulfamethoxazole, CF=ciprofloxacin, LF=levofloxacin, CL=colisitin. S=susceptible, I=intermediate susceptible, R=resistant, MTLs=metallo β-lactamases tested phenotypically, += positive, −=negative, ND=not done.