A novel, stiff-shaft, flexible-tip guidewire for cannulation of biliary stricture during endoscopic retrograde cholangiopancreatography: a randomized trial.

Background And Study Aims: During endoscopic retrograde cholangiopancreatography (ERCP), a guidewire is used to cannulate biliary strictures and allow for therapeutic interventions. The aim of this study was to assess the success of stricture cannulation using a combination of a flexible guidewire and a stable nitinol wire vs. a novel, single, stiff-shaft, flexible-tip guidewire.