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Revision of bilateral self-expandable metallic stents placed using the stent-in-stent technique for malignant hilar biliary obstruction

Authors
 Son, Jun Hyuk  ;  Lee, Hee Seung  ;  Lee, Sang Hyub  ;  Bang, Seungmin  ;  Kang, Jinwoo  ;  Paik, Woo Hyun  ;  Ryu, Ji Kon  ;  Kim, Yong-Tae 
Citation
 HEPATOBILIARY & PANCREATIC DISEASES INTERNATIONAL, Vol.17(5) : 437-442, 2018 
Journal Title
 HEPATOBILIARY & PANCREATIC DISEASES INTERNATIONAL 
ISSN
 1499-3872 
Issue Date
2018
Keywords
Malignant hilar biliary obstruction ; Revision ; Self-expandable metallic stent ; Stent-in-stent
Abstract
BACKGROUND: Endoscopic biliary decompression using bilateral self-expandable metallic stent (SEMS) placed using the stent-in-stent (SIS) technique is considered favorable for unresectable malignant hilar biliary obstruction (MHBO). However, occlusion of the bilateral SIS placement is frequent and revision can be challenging. This study was performed to investigate the efficacy, the long-term patency and the appropriate approach for revision of occluded bilateral SIS placement in unresectable MHBO. METHODS: From January 2011 to July 2016, thirty-eight patients with unresectable MHBO underwent revision of occluded bilateral SIS placement. Clinical data including success rates and patency of revision, were retrospectively analyzed. RESULTS: The technical success rate of revision was 76.3%. The clinical success rate of revision was 51.7% and mean patency of revision was 49.1 days. No significant predictive factor for clinical failure of revision was observed. The cell size of SEMS was not found to have significant effects on clinical success rates or revision patency. CONCLUSIONS: Revision of occluded bilateral SIS placement for MHBO showed fair patency and clinical success rate. Revision method and cell size of SEMS were not found to influence clinical outcomes.
Full Text
https://www.sciencedirect.com/science/article/pii/S1499387218301474
DOI
10.1016/j.hbpd.2018.07.007
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Bang, Seungmin(방승민) ORCID logo https://orcid.org/0000-0001-5209-8351
Lee, Hee Seung(이희승) ORCID logo https://orcid.org/0000-0002-2825-3160
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/166660
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