Piperacillin/Tazobactam for Infected Acute Pancreatitis
Clinical Appropriateness
- The World Society of Emergency Surgery recommends piperacillin/tazobactam as an appropriate treatment option for infected pancreatic necrosis, due to its effectiveness against gram-positive bacteria, anaerobes, and gram-negative organisms 1, 2
- Piperacillin/tazobactam is an effective carbapenem-sparing option, with comparable clinical outcomes to meropenem in infected pancreatic necrosis, which is important given concerns about carbapenem-resistant organisms 1
Guideline Support
- The World Society of Emergency Surgery guidelines state that antibiotics should only be used for documented infected pancreatitis, not as prophylaxis in sterile necrosis 3
- The empirical antibiotic regimen should cover aerobic and anaerobic gram-negative and gram-positive organisms 1, 2
Diagnosis and Treatment
- The World Society of Emergency Surgery suggests that CT-guided fine-needle aspiration can confirm infection, but is no longer routinely used due to high false-negative rates 1, 3
- Gas in the retroperitoneal area on imaging suggests infection, but is only present in a limited number of patients 1
- According to the World Society of Emergency Surgery, procalcitonin is not mentioned, however, Praxis Medical Insights recommends limiting antibiotic duration to 7 days if source control is adequate and clinical conditions improve, and also states that procalcitonin is the most sensitive laboratory marker for detecting pancreatic infection 4