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[Biliary stents].

Ch Meyenberger1, A C Fantin

  • 1Departement Innere Medizin, Fachbereich Gastroenterologie/Hepatologie, Kantonsspital St. Gallen. christa.meyenberger@kssg.ch

Therapeutische Umschau. Revue Therapeutique
|May 7, 2003
PubMed
Summary

Biliary stents, plastic or metallic, treat biliary obstructions. While effective, both types can occlude within months, requiring re-intervention. Metallic stents offer better patency rates than plastic ones.

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Area of Science:

  • Gastroenterology
  • Interventional Endoscopy

Background:

  • Biliary stenoses require endoscopic stent therapy.
  • Distinguishing benign from malignant causes is crucial for treatment selection.
  • Plastic stents are used for benign conditions, metallic stents for malignant ones.

Purpose of the Study:

  • To review the indications and outcomes of plastic versus metallic biliary stents.
  • To highlight the challenge of stent occlusion and its management.

Main Methods:

  • Review of current literature on endoscopic biliary stenting.
  • Comparison of plastic and metallic stent applications and patency rates.

Main Results:

  • Plastic stents indicated for postoperative strictures, PSC, and leakage.
  • Metallic stents used for cholangiocarcinoma and extrinsic compression.
  • Stent occlusion is a common issue for both types, occurring 3-6 months post-implantation.
  • Metallic stents demonstrate superior patency rates compared to plastic stents.

Conclusions:

  • Endoscopic stenting is a viable alternative to surgical bypass for biliary obstructions.
  • Ongoing research is needed to address stent occlusion and improve long-term patency.

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