Primary patency of wallstents in malignant bile duct obstruction: Single vs. two or more noncoaxial stents Journal Article


Authors: Maybody, M.; Brown, K. T.; Brody, L. A.; Covey, A. M.; Sofocleous, C. T.; Thornton, R. H.; Getrajdman, G. I.
Article Title: Primary patency of wallstents in malignant bile duct obstruction: Single vs. two or more noncoaxial stents
Abstract: The purpose of this study was to determine the primary patency of two or more noncoaxial self-expanding metallic Wallstents (Boston Scientific, Natick, MA) and to compare this with the primary patency of a single stent in malignant bile duct obstruction. From August 2002 to August 2004, 127 patients had stents placed for malignant bile duct obstruction. Forty-five patients were treated with more than one noncoaxial self-expanding metallic stents and 82 patients had a single stent placed. Two patients in the multiple-stent group were lost to follow-up. The primary patency period was calculated from the date of stenting until the first poststenting intervention for stent occlusion, death, or the time of last documented follow-up. The patency of a single stent was significantly different from that of multiple stents (P = 0.0004). In the subset of patients with high bile duct obstruction, the patency of a single stent remained significantly different from that of multiple stents (P = 0.02). In the single-stent group, there was no difference in patency between patients with high vs. those with low bile duct obstruction (P = 0.43). The overall median patency for the multistent group and the single-stent group was 201 and 261 days, respectively. In conclusion, the patency of a single stent placed for malignant low or high bile duct obstruction is similar, and significantly longer than, that of multiple stents placed for malignant high bile duct obstruction. Given the median patency of 201 days, when indicated, percutaneous stenting of multiple bile ducts is an effective palliative measure for patients with malignant high bile duct obstruction. © 2009 Springer Science+Business Media, LLC and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE).
Keywords: treatment outcome; aged; major clinical study; overall survival; disease course; mortality; follow up; survival time; sepsis; contrast media; bile duct obstruction; digestive system neoplasms; malignant bile duct obstruction; metallic stent; patency; wallstent; bare metal stent; bile duct cancer; multiple organ failure; cholangiography; cholestasis; stents; vascular patency
Journal Title: CardioVascular and Interventional Radiology
Volume: 32
Issue: 4
ISSN: 0174-1551
Publisher: Springer  
Date Published: 2009-07-01
Start Page: 707
End Page: 713
Language: English
DOI: 10.1007/s00270-009-9577-8
PUBMED: 19387728
PROVIDER: scopus
DOI/URL:
Notes: --- - "Export Date: 30 November 2010" - "CODEN: CARAD" - "Source: Scopus"
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MSK Authors
  1. Anne Covey
    165 Covey
  2. Majid Maybody
    98 Maybody
  3. Lynn Brody
    119 Brody
  4. Karen T Brown
    178 Brown