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KMID : 0880420120130000062
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Korean Journal of Radiology
2012 Volume.13 No. 0 p.62 ~ p.66
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Recent Advances of Biliary Stent Management
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Mitsuhiro Kida
Shiro Miyazawa
Tomohisa Iwai
Hiroko Ikeda
Miyoko Takezawa
Hidehiko Kikuchi
Maya Watanabe
Hiroshi Imaizumi
Wasaburo Koizumi
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Abstract
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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.
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KEYWORD
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Metallic stent, Stent obstruction, Re-intervention, Biliary stricture, Stent patency
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