High proximal migration rate of a partially covered "big cup" duodenal stent in patients with malignant gastric outlet obstruction.

Abstract:

:Endoscopic placement of self-expandable metal stents (SEMS) has emerged as a palliative treatment for patients with malignant gastric outlet obstruction (GOO). Recently, a new partially covered "big cup" SEMS has been developed to prevent both stent migration and tissue ingrowth. The aim of the study was to evaluate safety and efficacy of this SEMS in a cohort of patients with incurable malignant GOO. The study was terminated prematurely due to three proximal stent migrations in six patients. Migrations occurred at 2, 4, and 29 days, respectively, and necessitated endoscopic removal and placement of another SEMS. The remaining three patients had a patent SEMS at the end of follow-up. The high proximal migration rate of this new SEMS should be taken into account when considering routine clinical use in malignant GOO. Further research is warranted in order to find an optimal stent design that prevents both stent migration and tumor ingrowth.

journal_name

Endoscopy

journal_title

Endoscopy

authors

van den Berg MW,Walter D,Vleggaar FP,Siersema PD,Fockens P,van Hooft JE

doi

10.1055/s-0033-1359023

subject

Has Abstract

pub_date

2014-02-01 00:00:00

pages

158-61

issue

2

eissn

0013-726X

issn

1438-8812

journal_volume

46

pub_type

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