Table 6.

Susceptibility of S. maltophilia to selected antimicrobial agents

Antimicrobial agent% SusceptibilityReferences
β-Lactam agents
 Amoxicillin-clavulanate  0 142,384
 Aztreonam0–7 124, 142,197, 220, 241, 257
 Ceftazidime15–75 115, 137, 142, 178, 197, 220,241, 249, 257, 300, 369, 384, 427, 462
 Cefepime30–57 249, 369, 462
 Cefotaxime2.5–63 124, 142, 218, 249,296
 Cefpirome0–10 142, 300,462
 Cefsulodin7–9 142, 241
 Ceftriaxone0–9 178, 220, 249, 462
 Imipenem0–4 115, 137, 142, 178, 218, 220, 241,249, 257, 300, 365, 369, 384, 397, 427, 462
 Meropenem0–5 142, 249, 365
 Moxalactam43–100 115, 137, 142, 197, 218,220
 Piperacillin0–89.3 115, 124, 137,142, 197, 218, 220, 241, 249, 257, 462
 Piperacillin-tazobactam2–55 142, 241,462
 Ticarcillin11.5–69 124, 142, 220,241, 257, 296
 Ticarcillin-clavulanate25–96 220, 241, 300, 325,384, 413, 427, 462
Aminoglycosides
 Amikacin0–30 124, 137, 142, 178, 197, 220, 241,257, 462
 Gentamicin0–63 11, 115, 124,150, 178, 197, 257, 276, 277, 296, 390, 462
 Streptomycin10–44 145, 149, 150, 152, 276, 277,390
 Tobramycin0–24 124, 137, 142, 197,218, 241, 257, 390
Tetracyclines
 Doxycycline81–91 142, 241
 Minocycline97–100 124, 137, 427
 Tetracycline2–69 145, 149, 150, 152, 178, 197,276, 277, 330, 390
Miscellaneous
 Chloramphenicol0–98 124, 145, 149, 152
 Ciprofloxacin0–100 11, 115, 141, 142, 178, 220,221, 241, 249, 257, 384, 427, 462
 Colistin26–100 124, 145, 149, 220, 276, 277,330, 390
 Polymyxin B35–100 149, 150,152, 220, 276, 277
 Rifampin0–76 124,220
 TMP-SMXa 4–100 142, 178, 197,220, 241, 257, 276, 279, 334, 384, 427, 462
 Silver sulfadiazine100 64
  • a TMP-SMX, trimethoprim-sulfamethoxazole.