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European Radiology
Published in: European Radiology 12/2016

01-12-2016 | Interventional

Over-the-wire versus through-the-scope stents for the palliation of malignant gastric outlet obstruction: A retrospective comparison study

Authors: Jung-Hoon Park, Jeong Hoon Lee, Ho-Young Song, Kee Don Choi, Min-Hee Ryu, Sung-Cheol Yun, Jin Hyoung Kim, Do Hoon Kim, Moon-Won Yoo, Dae Wook Hwang, Jiaywei Tsauo

Published in: European Radiology | Issue 12/2016

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Abstract

Objectives

To compare the outcomes of over-the-wire (OTW) and through-the-scope (TTS) partially covered stents in patients with malignant gastric outlet obstruction (GOO).

Methods

A retrospective study was performed in 306 patients who had either OTW (n = 125) or TTS (n = 181) stents placed. Outcomes analysed included technical and clinical success, procedure time, complications, re-intervention, stent patency and survival.

Results

One hundred and ninety-three patients met our inclusion criteria, including 125 patients in the OTW group and 68 patients in the TTS group. Technical and clinical outcomes were similar in the two groups. Stent migration rate was higher in the TTS than in the OTW group (P = 0.002) and was associated with straight stent and subsequent chemotherapy in the TTS group. Stent collapse was lower in the TTS than in the OTW group (P = 0.021). Six-month stent patency rate was higher in the OTW than in the TTS group (P = 0.044).

Conclusions

TTS and OTW stents for the palliation of malignant GOO resulted in similar technical and clinical outcomes, stent patency and survival. TTS stents were associated with a higher migration rate, especially use of straight stents and subsequent chemotherapy, but a lower stent collapse rate than OTW stents.

Key Points

• OTW and TTS stents are equally effective in palliating GOO symptoms.
• Six-month stent patency was higher for OTW than for TTS.
• The straight stent and subsequent chemotherapy could increase stent migration.
• Complication rates were lower for flared than for straight stents.
• It is necessary to develop a multidisciplinary approach to integrate clinical experience.
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Metadata
Title
Over-the-wire versus through-the-scope stents for the palliation of malignant gastric outlet obstruction: A retrospective comparison study
Authors
Jung-Hoon Park
Jeong Hoon Lee
Ho-Young Song
Kee Don Choi
Min-Hee Ryu
Sung-Cheol Yun
Jin Hyoung Kim
Do Hoon Kim
Moon-Won Yoo
Dae Wook Hwang
Jiaywei Tsauo
Publication date
01-12-2016
Publisher
Springer Berlin Heidelberg
Published in
European Radiology / Issue 12/2016
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-016-4289-3

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