Table 1 Antimicrobial sensitivity of Mycobacterium houstonense
From: A case report on Mycobacterium houstonense infection after total hip arthroplasty
Antibacterial drugs | Breakpoints (µg/ml) | Mycobacterium houstonense | |||
|---|---|---|---|---|---|
Susceptible | Intermediate | Resistant | MIC (µg/ml) | Results | |
Moxifloxacin | ≤ 1 | 2 | ≥ 4 | 0.25 | sensitive |
Amikacin | ≤ 16 | 32 | ≥ 64 | 8 | sensitive |
Clarithromycin | ≤ 2 | 4 | ≥ 8 | 256 | resistant |
Levofloxacin | — | — | — | 16 | — |
Rifampin | — | — | — | ≥ 64 | — |
Ethambutol | — | — | — | 256 | — |
Isoniazid | — | — | — | 64 | — |
Cefoxitin | ≤ 16 | 32–64 | ≥ 128 | / | / |
Ciprofloxacin | ≤ 1 | 2 | ≥ 4 | / | / |
Doxycycline | ≤ 1 | 2–4 | ≥ 8 | / | / |
Imipenem | ≤ 4 | 8–16 | ≥ 32 | / | / |
Linezolid | ≤ 8 | 16 | ≥ 32 | / | / |
Meropenem | ≤ 4 | 8–16 | ≥ 32 | / | / |
Trimethoprim-sulfamethoxazole | ≤ 2/38 | — | ≥ 4/76 | / | / |
Tobramycin | ≤ 2 | 4 | ≥ 8 | / | / |