Risk factors for covered metallic stent migration in patients with distal malignant biliary obstruction due to pancreatic cancer

Background and Aim Covered metallic stents (CMSs) were developed to overcome tumor ingrowth in uncovered metallic stents (UMSs) for malignant biliary obstruction, but superiority of CMSs over UMSs is still controversial due to the high migration rate in CMS. Therefore, we conducted this retrospectiv...

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Bibliographic Details
Published in:Journal of gastroenterology and hepatology 2014-09, Vol.29 (9), p.1744-1749
Main Authors: Nakai, Yousuke, Isayama, Hiroyuki, Kogure, Hirofumi, Hamada, Tsuyoshi, Togawa, Osamu, Ito, Yukiko, Matsubara, Saburo, Arizumi, Toshihiko, Yagioka, Hiroshi, Mizuno, Suguru, Sasaki, Takashi, Yamamoto, Natsuyo, Hirano, Kenji, Tada, Minoru, Koike, Kazuhiko
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Cholestasis - etiology
Cholestasis - therapy
covered metallic stents
Female
Foreign-Body Migration - epidemiology
Foreign-Body Migration - etiology
Humans
Male
malignant biliary obstruction
Metals
Middle Aged
Multivariate Analysis
Pancreatic Neoplasms - complications
Pancreatic Neoplasms - drug therapy
radial force
Retrospective Studies
Risk Factors
stent migration
Stents - adverse effects
Time Factors
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Summary:Background and Aim Covered metallic stents (CMSs) were developed to overcome tumor ingrowth in uncovered metallic stents (UMSs) for malignant biliary obstruction, but superiority of CMSs over UMSs is still controversial due to the high migration rate in CMS. Therefore, we conducted this retrospective analysis to clarify risk factors for stent migration, including mechanical properties of CMSs. Methods Patients with unresectable pancreatic cancer, receiving CMS for distal malignant biliary obstruction in five tertiary care centers, were retrospectively studied. Univariate and multivariate analyses to identify prognostic factors for early (
ISSN:0815-9319
1440-1746
DOI:10.1111/jgh.12602