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Korean J Radiol. 2012 Jan-Feb;13 Suppl 1:S62-6. doi: 10.3348/kjr.2012.13.S1.S62. Epub 2012 Apr 23.

Recent advances of biliary stent management.

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  • 1Department of Gastroenterology, Kitasato University East Hospital, Sagamihara, Kanagawa 228-8520, Japan.


Recent progress in chemotherapy has prolonged the survival of patients with malignant biliary strictures, leading to increased rates of stent occlusion. Even we employed metallic stents which contributed to higher rates and longer durations of patency, and occlusion of covered metallic stents now occurs in about half of all patients during their survival. We investigated the complication and patency rate for the removal of covered metallic stents, and found that the durations were similar for initial stent placement and re-intervention. In order to preserve patient quality of life, we currently recommend the use of covered metallic stents for patients with malignant biliary obstruction because of their removability and longest patency duration, even though uncovered metallic stents have similar patency durations.


Biliary stricture; Metallic stent; Re-intervention; Stent obstruction; Stent patency

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