Table 3.
Susceptibility results for M. abscessus and M. chelonae isolates by the broth dilution method against 14 antimicrobial agents in clinical laboratory evaluations (January to June 2012)
| Drug |
M. abscessus isolates (119) |
M. chelonae isolates (25) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Susceptible |
Intermediate |
Resistant |
Susceptible |
Intermediate |
Resistant |
|||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | |
| AMI | 67 | 56 | 25 | 21 | 27 | 23 | 11 | 46 | 10 | 42 | 3 | 12 |
| AUG2 | 0 | 0 | 1 | 1 | 118 | 99 | 0 | 0 | 0 | 0 | 24 | 100 |
| FEP | 0 | 0 | 0 | 0 | 119 | 100 | 0 | 0 | 0 | 0 | 24 | 100 |
| FOX | 2 | 2 | 93 | 78 | 24 | 20 | 0 | 0 | 0 | 0 | 24 | 100 |
| AXO | 1 | 1 | 1 | 1 | 117 | 98 | 0 | 0 | 0 | 0 | 24 | 100 |
| CIP | 0 | 0 | 4 | 3 | 115 | 97 | 0 | 0 | 1 | 4 | 23 | 96 |
| CLA | 54 | 45 | 14 | 12 | 51 | 43 | 22 | 92 | 1 | 4 | 1 | 4 |
| DOX | 0 | 0 | 2 | 2 | 117 | 98 | 0 | 0 | 0 | 0 | 24 | 100 |
| IMI | 1 | 1 | 1 | 1 | 117 | 98 | 0 | 0 | 0 | 0 | 24 | 100 |
| LZD | 26 | 22 | 18 | 15 | 75 | 63 | 13 | 54 | 7 | 29 | 4 | 17 |
| MIN | 0 | 0 | 2 | 2 | 116 | 98 | 0 | 0 | 0 | 0 | 24 | 100 |
| MXF | 2 | 2 | 9 | 8 | 108 | 90 | 0 | 0 | 1 | 4 | 23 | 96 |
| TOB | 4 | 3 | 12 | 10 | 103 | 87 | 21 | 88 | 1 | 4 | 2 | 8 |
| SXT | 2 | 2 | 3 | 2 | 114 | 96 | 0 | 0 | 1 | 4 | 23 | 96 |
a
AMI, amikacin; AUG2, amoxicillin-clavulanic acid; FEP, cefepime; FOX, cefoxitin; AXO, ceftriaxone; CIP, ciprofloxacin; CLA, clarithromycin; DOX, doxycycline; IMI, imipenem; LZD, linezolid; MIN, minocycline; MXF, moxifloxacin; TOB, tobramycin; SXT, trimethoprim-sulfamethoxazole.