Acute necrotizing pancreatitis: Surgical indications and technical procedures

Table 1 Revised definitions of acute pancreatitis (2012)[1,2]

Types
Interstitial edematous	Inflammation of pancreatic parenchyma and peripancreatic tissue, without necrosis
Necrotizing	Inflammation with pancreatic parenchymal and/or peripancreatic necrosis
Grades of severity
Mild	No organ failureLack of local or systemic complications
Moderate	Transient organ failure (< 48 h) and/orLocal or systemic complications without persistent organ failure
Severe	Persistent single or multiple organ failure(> 48 h)