Comparison of outcomes among secondary covered metallic, uncovered metallic, and plastic biliary stents in treating occluded primary metallic stents in malignant distal biliary obstruction |
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| Authors: | Jae Hee Cho Tae Joo Jeon Jeong Youp Park Hee Man Kim Yoon Jae Kim Seung Woo Park Jae Bock Chung Si Young Song Seungmin Bang |
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| Affiliation: | (1) Department of Internal Medicine, Graduate School, Yonsei University College of Medicine, 250 Seongsanno (134 Sinchon-Dong), Seodaemun-Ku, 120-752 Seoul, South Korea;(2) Department of Internal Medicine, Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea;(3) Division of Gastroenterology, Department of Internal Medicine, Myongji Hospital, Kwandong University College of Medicine, Goyang, Korea;(4) Division of Gastroenterology, Department of Internal Medicine, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea;(5) Division of Gastroenterology, Department of Internal Medicine, Gil Medical Center, Gachon University, Incheon, Korea; |
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| Abstract: | Background The self-expandable metallic stent (SEMS) has been widely used for unresectable malignant biliary obstruction but eventually becomes occluded by tumor ingrowth/overgrowth and sludge. Therefore, we aimed to determine the therapeutic effectiveness of secondary stents and to find differences according to various combinations of the first and second stents for the management of occluded SEMSs in patients with malignant distal biliary obstruction. |
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