Table 2.
Mycobacterium abscessus subsp. abscessus: in vitro antibiotic susceptibility and genome sequencing results. Breakpoints according to CLSI [19].
| Antibiotics | 07.02.2018 | 08.07.2018 | 10.01.2018 | 10.02.2018 | |
|---|---|---|---|---|---|
| ∗4-day reading (mg/L) | ∗4-day reading (mg/L) | ∗14-day reading (mg/L) | ∗∗14-day reading (mg/L) | ||
| 23s-wild type-macrolide constitutive resistance not detected | |||||
| 16s-wild type-susceptible to amikacin erm(41)-wild type-macrolide-inducible resistance detected | |||||
| Amikacin | 3 (S) | 16 (S) | |||
| Tigecyclin | 0.5 (S) | 0.75 (S) | |||
| Clarithromycin | 0.5 (S) | 1.5 (S) | 4 (R) | 4 (R) | |
| Imipenem | 4 (S) | 32 (R) | |||
| Linezolid | 8 (R) | >256 (R) | |||
| Azitromycin | 128 (R) | ||||
| Moxifloxacin | >32 (R) | ||||
| Gentamycin | 12 (R) | ||||
∗ E-test, Middlebrook 7H-11 agar; ∗∗broth microdilution testing, Middlebrook 7H-9 broth.