Difficult cannulation of the common bile duct is encountered in about 10%of ERCP procedures. This frequently happens in the form of repeated unintentional cannulation of the pancreatic duct. Two valid options are available to facilitate cannulation at this point: Double guidewire technique or performing a transpancreatic precut. This is a randomized trial comparing the efficacy and Safety of double guidwire technique versus transpancreatic precut after three unintentional passages of the guidewire into the pancreatic duct.
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Cannulation success
Timeframe: Within 10 minutes
Rate of post-ERCP pancreatitis
Timeframe: up to 24 hours after the procedure