Current status of preoperative biliary drainage

Area of Science:

• Gastroenterology
• Surgical Oncology
• Interventional Radiology

Background:

• Preoperative biliary drainage (PBD) is often recommended for biliary strictures to reduce surgical complications.
• Recent studies suggest PBD may increase mortality or surgical site infections, challenging its universal application.

Purpose of the Study:

• To review the current literature on PBD for potentially resectable pancreatobiliary cancers.
• To investigate the effects of PBD on patients with distal and proximal biliary obstructions.

Main Methods:

• Literature review of existing studies on preoperative biliary drainage.
• Analysis of PBD outcomes in patients with distal and proximal biliary strictures.

Main Results:

• No optimal PBD method has been established for either distal or proximal biliary strictures.
• Previous studies suffer from small sample sizes and inadequate control groups.

Conclusions:

• Further large-scale, prospective randomized studies are required.
• Optimal PBD strategies and benefits for biliary obstructions need to be determined.