The evaluation of AP with computed tomography was performed. All procedures have a portal venous phase 35 s after administering intravenous contrast. CT was performed at least 24 h after the onset of abdominal pain and preferably between 72 and 96 h. The indications for performing CT in our hospital were: suspicion of moderate/severe or severe AP, presence of persistent SIRS, differential diagnosis with other causes of acute abdomen, and etiological study of non-biliary AP.
Pancreatic necrosis was defined as the absence of enhancement in pancreatic tissue after contrast-enhanced CT. Infected pancreatic necrosis (IPN) was defined as a positive culture for microorganisms after necrosectomy or interventional drainage (radiological or endoscopic) [32 (link)].
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