“…Acute pancreatitis is the most serious complication, with an overall incidence around 8 % [4,5], although transient asymptomatic hy− peramylasemia, usually unrecognized clinically, is a very common finding. The peak of plasma en− zyme elevation is usually observed 4 ± 8 h after the procedure [6,7]. Several technical and pa− tient−related factors, such as pancreatic duct opacification or a history of relapsing pancreati− tis, have been involved in the pathogenesis of post−ERCP hyperamylasemia and pancreatitis [7,8].…”