Related Experiment Video
Updated: Jul 18, 2026

05:36
Laparoscopic Common Bile Duct Exploration Followed by Primary Suture Using a Modified Bile Duct Incision
Published on: May 2, 2025
Primary precutting versus conventional over-the-wire sphincterotomy for bile duct access: a prospective randomized
A de Weerth1, U Seitz, Y Zhong
1Department of Interdisciplinary Endoscopy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany. deweerth@uke.uni-hamburg.de
Endoscopy
|December 14, 2006
Summary
Primary precut technique for common bile duct access is as effective and safe as the conventional approach. This method may also be faster for endoscopic retrograde cholangiopancreatography procedures.
Area of Science:
- Gastroenterology
- Endoscopic procedures
- Biliary interventions
Background:
- The precut technique is used for difficult common bile duct (CBD) cannulation.
- Conflicting opinions exist regarding the complication rates associated with the precut technique.
Purpose of the Study:
- To compare the efficacy and complication rates of primary precut versus conventional techniques for CBD access.
- To evaluate the safety and success of precut as an initial approach.
Main Methods:
- Randomized trial comparing conventional wire-guided cannulation with primary precut technique for CBD access prior to endoscopic sphincterotomy (ES).
- A modified Erlangen sphincterotome was used for precutting.
- 291 patients were randomized into two groups: conventional (Group A) and primary precut (Group B).
Main Results:
- Both groups achieved high success rates (99.3% for conventional, 100% for primary precut).
- Primary precut group had significantly faster cannulation times (6.9 min vs. 8.3 min).
- Incidence of mild pancreatitis and bleeding was similar and low in both groups; no severe complications occurred.
Conclusions:
- Primary precut technique is a safe and effective alternative to conventional CBD cannulation in experienced hands.
- The primary precut approach may offer a more efficient method for achieving CBD access.
