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Outcome of palliative self-expanding metal stent placement in malignant colorectal obstruction according to stent type and manufacturer

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Abstract

Background

Self-expandable metallic stents (SEMS) of varying designs and materials have been developed to reduce complications, but few comparative data are available with regard to the type of stent and the stent manufacturer. We analyzed the success rates and complication rates, according to stent type (uncovered vs. covered stent) and individual stent manufacturer, in malignant colorectal obstruction.

Methods

From November 2001 to August 2008, 103 patients were retrospectively included in this study: four types of uncovered stents in 73 patients and two types of covered stents in 30 patients. The SEMS was inserted into the obstructive site by using the through-the-scope method.

Results

Technical and clinical success rates were not different between stent type or among stent manufacturers: 100 and 100% (p = ns) and 100 and 96.6% (p > 0.05), respectively, in uncovered and covered stents. Stent occlusion and migration rates were 12.3 and 3.3% (p = 0.274) and 13.7 and 16.7% (p = 0.761), respectively, in uncovered and covered stents, and 11.1, 5, and 9% (p = 0.761) and 25.9, 15, and 0% (p = 0.037) in Wallstent, Niti-S, and Bonastent uncovered stents, respectively.

Conclusions

The placement of SEMS is an effective and safe treatment for patients with malignant colorectal obstruction. Although minor differences in outcome were detected according to the type and the manufacturer of the stents, no statistically significant difference was observed, except in stent migration among the stent manufacturer.

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Disclosures

Drs. Jong Kyu Park, Moon Sung Lee, Bong Min Ko, Hyung Ki Kim, Young Jee Kim, Hyun Jong Choi, Su Jin Hong, Chang Beom Ryu, Jong Ho Moon, Jin Oh Kim, Joo Young Cho, and Joon Seong Lee have no conflicts of interest or financial ties to disclose.

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Authors and Affiliations

  1. Digestive Disease Center, Soon Chun Hyang University Bucheon Hospital, Soon Chun Hyang University School of Medicine, 1174 Jung-Dong, Wonmi-Ku, Bucheon, 420-767, Korea

    Moon Sung Lee

  2. Department of Internal Medicine, Soon Chun Hyang University College of Medicine, Bucheon, Korea

    Jong Kyu Park, Moon Sung Lee, Bong Min Ko, Hyung Ki Kim, Young Jee Kim, Hyun Jong Choi, Su Jin Hong, Chang Beom Ryu & Jong Ho Moon

  3. Department of Internal Medicine, Soon Chun Hyang University College of Medicine, Seoul, Korea

    Jin Oh Kim, Joo Young Cho & Joon Seong Lee

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  1. Jong Kyu Park
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  2. Moon Sung Lee
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  3. Bong Min Ko
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  4. Hyung Ki Kim
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  9. Jong Ho Moon
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Correspondence to Moon Sung Lee.

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Park, J.K., Lee, M.S., Ko, B.M. et al. Outcome of palliative self-expanding metal stent placement in malignant colorectal obstruction according to stent type and manufacturer. Surg Endosc 25, 1293–1299 (2011). https://doi.org/10.1007/s00464-010-1366-6

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  • DOI: https://doi.org/10.1007/s00464-010-1366-6

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