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Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
Published on: March 25, 2022
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3D-assisted ERCP enhances cannulation efficiency in malignant biliary obstruction: a prospective two-center study
Mengke Fan1, Guochen Shang1,2, Songxiang Liu3,4,5
1Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
International Journal of Surgery (London, England)
|October 15, 2025
Summary
Three-dimensional (3D) reconstruction-assisted ERCP significantly reduces procedure time and X-ray exposure for patients with malignant biliary obstruction. This advanced technique enhances safety and efficiency in managing complex cases.
Area of Science:
- Medical Imaging
- Gastroenterology
- Surgical Technology
Background:
- Endoscopic retrograde cholangiopancreatography (ERCP) is standard for malignant biliary obstruction.
- ERCP is challenging in pancreatic cancer patients, often causing prolonged cannulation times.
- Three-dimensional (3D) reconstruction offers potential to improve ERCP outcomes.
Purpose of the Study:
- To evaluate the efficacy of 3D reconstruction-assisted ERCP.
- To compare 3D-assisted ERCP with conventional ERCP in pancreatic cancer patients.
- To assess the impact of 3D assistance on procedure duration, success rates, and safety.
Main Methods:
- Prospective two-center study of 72 patients with pancreatic cancer and obstructive jaundice.
- Intervention group (36 patients) underwent 3D reconstruction-assisted ERCP.
- Control group (36 patients) received conventional ERCP.
Main Results:
- 3D-assisted ERCP significantly reduced cannulation time (13.5 min vs 16 min).
- X-ray exposure time was significantly lower with 3D assistance (34.5s vs 40.5s).
- Technical success (97.2% vs 100%), clinical success (77.8% vs 83.3%), and adverse event rates (19.44% vs 13.89%) showed no significant differences.
Conclusions:
- 3D reconstruction-assisted ERCP is a valuable tool for malignant biliary obstruction.
- The technique enhances safety and efficiency by reducing procedure time and X-ray exposure.
- 3D assistance improves the management of challenging ERCP cases in pancreatic cancer patients.
