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Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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EUS-guided biliary drainage after failed ERCP: a novel algorithm individualized based on patient anatomy.

Amy Tyberg1, Amit P Desai1, Nikhil A Kumta1

  • 1Division of Gastroenterology & Hepatology, Weill Cornell Medical College, New York, New York, USA.

Gastrointestinal Endoscopy
|May 31, 2016
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Summary

This study validates a new algorithm for endoscopic ultrasound-guided biliary drainage (EUS-BD) after failed ERCP, achieving 96% technical success. The EUS-BD algorithm demonstrates safety and efficacy in managing biliary obstruction.

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Area of Science:

  • Gastroenterology
  • Interventional Endoscopy
  • Biliary Interventions

Background:

  • Endoscopic ultrasound-guided biliary drainage (EUS-BD) is an alternative to percutaneous biliary drainage for biliary obstruction.
  • Multiple EUS-BD approaches exist, necessitating standardized guidance.

Purpose of the Study:

  • To propose and assess the validity and safety of a novel algorithm for EUS-guided biliary drainage based on patient anatomy.
  • To guide EUS-BD procedures in cases of failed ERCP.

Main Methods:

  • A prospective registry of 52 patients with biliary obstruction and failed ERCP who underwent EUS-BD using a new algorithm.
  • The algorithm stratified patients into intrahepatic (IH) or extrahepatic (EH) approaches based on biliary tree dilation.
  • Specific techniques included anterograde stenting, hepaticogastrostomy, rendezvous (RDV), or transenteric stenting.

Main Results:

  • Technical success was achieved in 96% (50/52) of patients.
  • The IH approach was used in 67% (35/52) and the EH approach in 33% (17/52) of patients.
  • Adverse events occurred in 10% (5/52) of patients, including one liver abscess and four cases of bleeding, with one postprocedural death.

Conclusions:

  • The proposed EUS-BD algorithm is a safe and effective method for managing biliary obstruction following failed ERCP.
  • This anatomical algorithm provides a structured approach to complex biliary drainage procedures.