Table 3.
Culture and sensitivity information for cases of rapidly growing mycobacterial infection
| Amikacin | Kanamycin | Tobramycin | Gentamicin | Cefoxitin | Ceftriaxone | Cefepime | Cefotaxime | Imipenem | Doxycycline | Minocycline | Ciprofloxacin | Gatifloxacin | Moxifloxacin | Clarithromycin | Azithromycin | Trimethoprim-sulfa | Linezolid | Augmentin | Sulfa-methoxazole | Tigecycline | Erythromycin | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Case 1 | M fortuitum | S | I | R | S | S | R | R | R | I | I | S | S | S | S | S | S | S | S | R | NT | NT | NT |
| Case 2 | M abscessus | S | S | I | R | S | R | R | R | I | R | R | R | R | R | S | S | R | R | R | NT | NT | NT |
| Case 3 | M abscessus | S | S | R | R | S | R | R | R | S | R | R | R | R | R | S | S | R | R | R | NT | NT | NT |
| Case 4 | M fortuitum | S | S | R | I | S | R | R | R | S | S | S | I | S | S | I | R | S | I | I | S | S | R |
| Case 5 | M fortuitum | I | R | R | S | S | R | R | R | S | R | I | S | S | S | S | S | S | I | R | NT | S | NT |
| Case 6 | M fortuitum | S | S | S | S | I | NT | NT | NT | S | NT | S | S | NT | NT | R | R | NT | NT | S | R | NT | R |
| Case 7 | M fortuitum | S | S | S | S | I | R | R | R | S | S | S | S | S | S | S | S | S | S | I | NT | S | NT |
| Case 8 | Group IV Mycobacterium species | S | S | I | S | S | NT | NT | NT | S | NT | S | S | NT | NT | R | R | NT | NT | S | R | NT | R |
| Case 9 | M fortuitum | S | S | I | S | I | R | R | R | S | S | S | S | S | S | I | R | S | I | I | NT | S | NT |
| Case 10 | M goodii | S | S | S | S | I | R | R | R | S | S | S | S | S | S | R | R | S | R | S | NT | S | NT |
S = organism susceptible to antibiotic; I=organism had intermediate susceptibility to antibiotic; R=organism resistant to antibiotic; NT=susceptibility to antibiotic not tested; NA=information not available. All sensitivity tests performed at the Mycobacteriology Reference Laboratory at the National Jewish Medical and Research Center in Denver, Colorado.