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Anchor-wire technique for multiple plastic biliary stents to prevent stent dislocation.

Tsuyoshi Hamada1, Yousuke Nakai, Saburo Matsubara

  • 1Department of Gastroenterology, Kanto Central Hospital, 6-25-1 Kamiyouga, Setagaya-ku, Tokyo 158-8531, Japan.

World Journal of Gastroenterology
|August 31, 2011
PubMed
Summary

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A new anchor-wire technique prevents proximal dislocation of the first plastic biliary stent (PBS) during endoscopic placement of multiple PBSs. This method secures the initial stent, ensuring successful multi-stent procedures for obstructive jaundice.

Area of Science:

  • Gastroenterology
  • Endoscopic Procedures
  • Biliary Interventions

Background:

  • Obstructive jaundice due to cholangiocarcinoma often requires multiple plastic biliary stent (PBS) placements.
  • Proximal dislocation of the first PBS is a known complication during the insertion of subsequent stents.

Observation:

  • During endoscopic retrograde cholangiopancreatography (ERCP), proximal dislocation of the first PBS occurred in a patient needing multiple stent placements.
  • The challenge lies in maintaining the position of the initial stent while introducing additional ones.

Findings:

  • A novel
  • anchor-wire technique
  • was developed to prevent PBS proximal dislocation.
  • This technique involves using a guidewire inserted through the side hole of the first PBS, acting as an anchor during subsequent stent deployment.
Keywords:
Anchor-wire techniqueEndoscopic retrograde cholangiographyPlastic biliary stentPreventionProximal dislocation

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  • Successful prevention of dislocation was achieved regardless of the anchor-wire's final position (duodenal bulb or third portion).

    • Implications:

    • The anchor-wire technique offers a simple and effective solution to a common problem in multiple PBS placement.
    • It enhances the success rate of endoscopic management for patients with complex biliary obstructions.
    • This method may improve patient outcomes by ensuring stable biliary drainage.