Current Endoscopic Management of Malignant Biliary Stricture

Area of Science:

• Gastroenterology
• Oncology
• Interventional Endoscopy

Background:

• Biliary and pancreatic cancers often present silently, progressing to unresectable stages rapidly.
• Symptomatic disease frequently involves biliary obstruction, complicated by anatomical factors.
• Endoscopic management strategies for malignant biliary strictures have advanced with medical device improvements.

Purpose of the Study:

• To present updated concepts for the endoscopic management of malignant biliary strictures.
• To review current indications and techniques for endoscopic biliary drainage.
• To compare the efficacy and cost-effectiveness of different stent types.

Main Methods:

• Review of current literature and clinical practices in endoscopic management of malignant biliary strictures.
• Comparative analysis of outcomes associated with various endoscopic biliary drainage techniques and stent materials.
• Integration of updated concepts in managing malignant biliary obstruction.

Main Results:

• Endoscopic biliary drainage is the preferred palliative treatment for unresectable malignant distal biliary obstruction (MDBO).
• Self-expanding metal stents (SEMS) demonstrate superior stent patency and cost-effectiveness compared to plastic stents (PS).
• For malignant hilar obstruction, plastic stents and uncovered SEMS show similar short-term results; covered SEMS are generally avoided.

Conclusions:

• The approach to endoscopic management of malignant biliary strictures requires tailored strategies based on resectability and obstruction location.
• SEMS are recommended for palliation in unresectable MDBO due to better patency and cost.
• Careful stent selection is crucial for malignant hilar obstruction to prevent contralateral duct compromise.