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Updated: Aug 13, 2026

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Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
Published on: March 25, 2022
Palliative biliary stents for obstructing pancreatic carcinoma
The Cochrane Database of Systematic Reviews
|January 27, 2006
Summary
For inoperable pancreatic cancer, metal endoscopic stents are preferred for biliary obstruction relief. Plastic stents reduce complications but increase re-obstruction risk, while surgery shows a trend toward higher mortality.
Area of Science:
- Gastroenterology
- Oncology
- Surgical Oncology
Background:
- Palliative interventions are crucial for inoperable pancreatic carcinoma causing distal biliary obstruction.
- Surgical bypass and endoscopic stenting are common palliative options.
- The optimal intervention strategy remains unclear.
Purpose of the Study:
- To compare surgery, metal endoscopic stents, and plastic endoscopic stents for relieving distal biliary obstruction in pancreatic cancer.
- To evaluate the efficacy and safety of different palliative interventions.
Main Methods:
- Systematic review and meta-analysis of randomized controlled trials (RCTs).
- Searched multiple databases (Cochrane, MEDLINE, EMBASE, etc.) from September 2002 to September 2004.
- Included 21 trials with 1,454 patients comparing interventions for distal biliary obstruction.
Main Results:
- Plastic stents showed fewer complications but higher re-obstruction risk versus surgery.
- Surgery trended towards higher 30-day mortality (p=0.07).
- Metal stents had lower re-obstruction risk than plastic stents; no significant differences in success rates or mortality.
Conclusions:
- Metal endoscopic stents are currently the preferred choice for malignant distal obstructive jaundice.
- Patency benefits of metal stents may be limited in patients with short survival.
- Further RCTs are needed to determine the optimal stent type.