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Table 1 Corynebacterium Urealyticum isolate breakpoints and MICs

From: Vasovagal reaction secondary to bladder overdistension in a dog undergoing a unique timeline of medical and surgical treatment for Corynebacterium urealyticum encrusting cystitis: a case report

  Culture #1 Culture #2 Culture #3 Culture #4
Time From Referral Day 0 Day 30 Day 50 Day 76
Specimen Urine (cystocentesis) Urine (cystocentesis) Urine (cystocentesis) Bladder mucosa
Result  > 100 k CFU/mL C. urealyticum  > 100 k CFU/mL C. urealyticum  > 100 k CFU/mL C.urealyticum No growth
MIC (μg/mL) Reported Interpretation MIC (μg/mL) Reported Interpretation MIC (μg/mL) Reported Interpretation  
Amikacin  ≤ 16 NI  ≤ 16 NI  ≤ 16 NI  
Amoxicillin-Clavulanate  > 8 R  > 8 R  > 8 R  
Ampicillin  > 256 NI  > 8 NI  > 8 NI  
Cefazolin  > 4 R  > 4 R  > 4 R  
Cefovecin  > 8 NI  > 8 NI  > 8 NI  
Cefpodoxime  > 8 NI  > 8 NI  > 8 NI  
Cephalothin  > 4 NI  > 4 NI  > 4 NI  
Chloramphenicol  ≤ 8 NI  ≤ 8 NI  ≤ 8 NI  
Clindamycin  > 4 R  <  = 0.5 S  > 4 R  
Doxycycline 0.5 S  > 0.5 NI  > 0.5 NI  
Enrofloxacin  > 4 NI  > 4 NI  > 4 NI  
Erythromycin  > 4 R  ≤ 0.25 S  > 4 R  
Gentamicin  ≤ 4 S  ≤ 4 S  ≤ 4 S  
Marbofloxacin  > 4 NI  > 4 NI  > 4 NI  
Minocycline  ≤ 0.5 NI  > 2 NI 1 NI  
Nitrofurantoin  > 64 NI  > 64 NI  > 64 NI  
Oxacillin  > 2 NI  > 2 NI  > 2 NI  
Penicillin  > 8 R  > 8 R  > 8 R  
Pradofloxacin  > 2 NI  > 2 NI  > 2 NI  
Rifampin  ≤ 1 S  ≤ 1 S  ≤ 1 S  
Tetracycline  ≤ 2 S  > 1 NI  > 1 NI  
Trimethoprim Sulfa  > 8 R  > 4 R  > 8 NI  
Vancomycin  ≤ 1 S  ≤ 1 S  ≤ 1 S  
  1. Italics = VET08 Staphylococcus breakpoints
  2. Bold = VET06 Coryneform breakpoints
  3. S Susceptible, I Intermediate, R Resistant, NI No interpretation available