Precut sphincterotomy (PS) is usually indicated after difficult biliary cannulation.
However, this technique requires a steep learning curve and may contain a significant
rate of complications. Recently, a pancreatic guide-wire placement assisting biliary
(double guide-wire) cannulation (PG) has been reported to be useful after a failed
standard biliary cannulation.
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© 2010 American Society for Gastrointestinal Endoscopy. Published by Elsevier Inc. All rights reserved.
