Table 5.
Antibiotic resistance patterns of all Pseudomonas aeruginosa, Stenotrophomonas maltophilia, and Sphingomonas paucimobilis isolates from water and surface samples.
| Class of Antibiotics | Antibiotic | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Penicillins | ampicillin | r | r | r | r | r | r | r | s | r | r | r | r | r | s | s |
| piperacillin | s | s | s | s | r | r | r | s | s | r | s | s | r | r | s | |
| piperacillin-tazobactam | s | s | s | s | r | r | r | s | s | s | s | s | r | r | s | |
| Penicillins/Beta-lactamase inhibitor | amoxicillin-clavulanic acid | r | r | r | r | r | r | r | r | r | r | r | r | r | r | r |
| Cephalosporins (2nd) | cefuroxime | r | r | r | r | r | r | r | r | r | r | r | r | r | r | r |
| Cephalosporins (3rd) | cefotaxime | r | r | r | r | r | r | r | r | r | r | r | r | r | r | r |
| Cephalosporins (3rd) | ceftazidime | s | s | s | s | r | r | r | s | s | s | s | s | r | s | s |
| Cephalosporins (4th) | cefepime | s | s | s | s | r | r | r | s | s | s | s | s | r | s | s |
| Carbapenems | imipenem | s | r | s | r | r | r | r | r | r | r | r | r | r | s | s |
| ertapenem | r | r | r | r | r | r | r | r | r | r | r | r | r | r | r | |
| Aminoglycosides | gentamicin | s | s | s | r | r | r | r | r | r | r | r | r | s | s | s |
| tobramycin | s | s | s | s | r | r | r | r | r | r | r | r | s | s | r | |
| amikacin | s | s | s | s | r | r | r | r | r | r | r | r | s | s | s | |
| Fluoroquinolones | ciprofloxacin | s | r | r | s | s | r | r | s | s | s | s | r | r | s | s |
| levofloxacin | s | r | r | s | s | s | r | s | s | s | s | s | r | s | s | |
| Sulfonamide antibiotic | trimethoprim-sulfam. | r | r | r | r | s | s | s | r | r | r | s | r | s | s | s |
| Fosfomycin | fosfomycin | ND | ND | ND | ND | r | r | r | s | s | r | s | r | s | r | r |
| Glycylcycline | tigecycline | r | r | r | r | r | r | r | ND | ND | ND | ND | ND | ND | ND | ND |
| Number of Isolates | 16 | 3 | 2 | 2 | 2 | 13 | 24 | 6 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Species | Pseudomonas aeruginosa (26) | Stenotrophomonas maltophilia (39) | Sphingomonas paucimobilis (14) | |||||||||||||
Susceptibility (s) and resistance (r) were automatically determined with the BD Phoenix™ System; ND = Not determined.