Table 1.
Inhibition zones (mm) of A. baumannii strains after 24 h exposure to selected antibiotics following BSAC guidelines (version 13, June 2014)
| Antibiotic | Disc content (μg) | NCTC 12156 (ATCC 19606) | ATCC 17978 | SM 37212 | ATCC® BAA-1709™ | ATCC® BAA-1710™ |
|---|---|---|---|---|---|---|
| Ciprofloxacin | 1 | 18.30 (R) | 17.6 (R) | 0.00 (R) | 30.10 (S) | 0.00 (R) |
| Gentamicin | 10 | 20.70 (S) | 19.6 (R) | 7.42 (R) | 31.70 (S) | 7.10 (R) |
| Meropenem | 10 | 26.50 (S) | 27.7 (R) | 21.00 (R) | 36.80 (S) | 25.70 (S) |
| Piperacillin/Tazobactam | 75/10 | 24.50 (S) | 25.00 (S) | 18.90 (R) | 86.00 (S) | 20.00 (I) |
Criteria for defining MDR, XDR and PDR in Acinetobacter spp. (Magiorakos et al. 2012); MDR: non-susceptible to ≥1 agent in ≥3 antimicrobial categories; XDR: non-susceptible to ≥1 agent in all but ≤2 categories; PDR: non-susceptible to all antimicrobial agents listed
(R) resistant, (S) sensitive, (I) intermediate