Clin Endosc.  2016 Nov;49(6):515-529. 10.5946/ce.2016.144.

Endoscopic Ultrasound-Guided Pancreatobiliary Endoscopy in Surgically Altered Anatomy

Affiliations
  • 1Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA. lslee@partners.org

Abstract

Endoscopic retrograde cholangiopancreatography (ERCP) has become the mainstay of therapy for pancreatobiliary diseases. While ERCP is safe and highly effective in the general population, the procedure remains challenging or impossible in patients with surgically altered anatomy (SAA). Endoscopic ultrasound (EUS) allows transmural access to the bile or pancreatic duct (PD) prior to ductal drainage using ERCP-based techniques. Also known as endosonography-guided cholangiopancreatography (ESCP), the procedure provides multiple advantages over overtube-assisted enteroscopy ERCP or percutaneous or surgical approaches. However, the procedure should only be performed by endoscopists experienced in both EUS and ERCP and with the proper tools. In this review, various EUS-guided diagnostic and therapeutic drainage techniques in patients with SAA are examined. Detailed step-by-step procedural descriptions, technical tips, feasibility, and safety data are also discussed.

Keyword

Endoscopic ultrasound; Surgically altered anatomy; Rendezvous; Antegrade drainage; Transmural drainage
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