Antibacterial agents | Break point | Results | Interpretation |
---|---|---|---|
The results of blood cultures: positive for Klebsiella aerogenes | |||
 MIC method (unit: mg/mL) | |||
  Piperacillin-Tazobactam | ≤ 16 ≥128 | ≤ 4 | Sensitivity |
  Ceftazidime | ≤ 4 ≥16 | ≤ 0.12 | Sensitivity |
  Cefoperazone-Sulbactam | ≤ 16 ≥64 | ≤ 8 | Sensitivity |
  Cefepime | ≤ 2 ≥16 | ≤ 0.12 | Sensitivity |
  Aztreonam | ≤ 4 ≥16 | ≤ 1 | Sensitivity |
  Imipenem | ≤ 1 ≥4 | 2 | Intermediate |
  Meropenem | ≤ 1 ≥4 | ≤ 0.25 | Sensitivity |
  Amikacin | ≤ 16 ≥64 | ≤ 2 | Sensitivity |
  Tobramycin | ≤ 4 ≥16 | ≤ 1 | Sensitivity |
  Ciprofloxacin | ≤ 0.25 ≥1 | ≤ 0.25 | Sensitivity |
  Levofloxacin | ≤ 0.5 ≥2 | ≤ 0.12 | Sensitivity |
  Doxycycline | ≤ 4 ≥16 | 1 | Sensitivity |
  Minocyline | ≤ 4 ≥16 | 4 | Sensitivity |
  Tigecycline | ≤ 2 ≥8 | 1 | Sensitivity |
  Colistin | ≤ 2 ≥4 | ≤ 0.5 | Sensitivity |
  Bactrim | ≤ 40 ≥80 | ≤ 20 | Sensitivity |
Results of blood cultures: no anaerobic bacterium was found | |||
 K-B method (unit: mm) | |||
  Cefazolin | ≥ 23 ≤19 | 6 | Resistance |
  Gentamicin | ≥ 15 ≤12 | 23 | Sensitivity |
  Ampicillin | ≥ 17 ≤13 | 6 | Resistance |
 Ampicillin-Sulbactam | ≥ 15 ≤11 | 6 | Resistance |
  Cefuroxime | ≥ 18 ≤14 | 20 | Sensitivity |
  Cefuroxime axetil | ≥ 23 ≤14 | 20 | Intermediate |
  Cefoxitin | ≥ 18 ≤14 | 6 | Resistance |
  Meropenem | ≥ 23 ≤19 | 25 | Sensitivity |
  Imipenem | ≥ 23 ≤19 | 21 | Intermediate |
  Cefotaxime | ≥ 23 ≤19 | 28 | Sensitivity |
  Amoxicillin-clavulanic acid | ≥ 18 ≤13 | 6 | Resistance |
  Ceftazidime-avibactam | ≥ 21 ≤20 | 25 | Sensitivity |
Results of smear: the gram-negative bacteria were found |