High risk

  • open cholecystectomy

  • emergency laparoscopic cholecyst-ectomy

  • insertion of prosthetic device

  • acute cholecystitis

  • biliary colic within 30 days

  • biliary spillage

  • biliary obstruction

  • obstructive jaundice or common bile duct stones

  • non-functioning gallbladder

  • recent (within 1 month) biliary surgery

  • > 65 yrs old

  • diabetes

  • pregnancy

  • obesity

  • immunosuppression

Common Pathogens

Enterobacteriaceae
Enterococcus spp
Clostridium spp
Streptococcus spp
Staphylococcus spp


Regimen(s) of Choice
See General Principles and Pre-Op Antibiotic Administration and Intraoperative Antibiotic Administration
Cefazolin 2g IV x 1 pre-op dose

Alternative Regimens if allergy to cefazolin, or severe non-IgE-mediated reaction to any β-lactam (interstitial nephritis, hepatitis, hemolytic anemia, serum sickness, severe cutaneous reactions [e.g. SJS, TEN, DRESS])
[Gentamicin 1.5mg/kg IV x 1 pre-op dose
+    
Clindamycin] 600mg IV x 1 pre-op dose
or    
[Gentamicin 1.5mg/kg IV x 1 pre-op dose
+    
Metronidazole] 500mg IV x 1 pre-op dose