Wire-guided cannulation over a pancreatic stent method ıncreases the need for needle-knife precutting ın patients with difficult biliary cannulation

Cannulation of the major papilla can be problematic and selective biliary cannulation may fail in up to 18% of cases. Various techniques, such as double-guidewire technique (DGWT), wire-guided cannulation over a pancreatic stent (WGC-PS), the precut endoscopic sphincterotomy (needle-knife precutting technique: NKP), and transpancreatic septotomy, have been used to improve the success rate of biliary cannulation. We conducted a prospective, randomized study in order to compare the biliary cannulation success rates of DGWT and WGC-PS techniques in patients with inadvertent passage of guidewire to pancreatic duct.

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