Nutrition management in acute pancreatitis: Clinical practice consideration

Table 1 The revised Atlanta 2012 classification for grading severity of acute pancreatitis

Grade of severity	Criteria
Mild	No organ failure
	No local or systemic complications
Moderately severe	Organ failure that resolves within 48 h (transient organ failure) and/or
	Local or systemic complications without persistent organ failure
Severe	Persistent organ failure (> 48 h)
	Single organ failure
	Multiple organ failure

Local complications include acute peripancreatic fluid collection, pancreatic pseudocyst, acute necrotic collection and walled-off necrosis. Systemic complications include exacerbation of pre-existing co-morbidity, such as coronary artery disease or chronic lung disease, precipitated by the acute pancreatitis.