Plastic stents become occluded by a biofilm of ... HIUS is performed by passing an ultrasound probe over a guidewire into the bile duct during ERCP. Several HIUS treatments are applied throughout ...

ERCP is used primarily ... The tiny endoscope can be advanced into the bile duct or pancreatic duct to directly visualize a narrowing or blockage. If the exam shows narrowing of the ducts, biopsies ...

However, in literature, there is no consensus for optimal endoscopic intervention. Biliary sphincterotomy alone, placement of a biliary stent, and nasobiliary drainage are available approaches.

The Chinese General Hospital and Medical Center (CGHMC) successfully performed a transhepatic stent-assisted portal vein aneurysm coil embolization, ...