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Related Experiment Video

Updated: Jul 13, 2026

Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention
11:01

Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention

Published on: September 18, 2015

Endoscopic clips prevent self-expandable metallic stent migration.

Hiroyuki Kato1, Minoru Fukuchi, Tatsuya Miyazaki

  • 1Department of General Surgical Science (Surgery I), Gunma University Graduate School of Medicine, Maebashi, Japan. hiroyuki@po.wind.ne.jp

Hepato-Gastroenterology
|August 22, 2007
PubMed
Summary

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Endoscopic clipping prevents self-expandable metallic stent (SEMS) migration in esophageal cancer palliation. This technique reduced migration complications, especially for fistulas, though some delayed issues occurred.

Area of Science:

  • Gastroenterology
  • Interventional Endoscopy
  • Oncology

Background:

  • Self-expandable metallic stents (SEMS) are used for esophageal cancer palliation.
  • Stent migration is a common complication of SEMS.
  • Preventing SEMS migration is crucial for effective palliation.

Purpose of the Study:

  • To evaluate the efficacy of endoscopic clips in preventing SEMS migration.
  • To analyze outcomes in patients undergoing SEMS implantation with endoscopic clipping.
  • To assess the safety and effectiveness of this novel technique.

Main Methods:

  • Nine patients underwent SEMS implantation between January 2000 and December 2002.
  • Endoscopic clips were used to secure the SEMS to the esophageal mucosa post-implantation.

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  • Patients were monitored for stent migration and clinical outcomes.

    • Main Results:

    • SEMS implantation was technically successful in all nine patients.
    • No stent migration was observed in any patient.
    • Significant improvement in dysphagia was noted; however, five patients experienced delayed complications including obstructions, recurrent fistulas, and perforation.

    Conclusions:

    • Endoscopic clipping is a recommended technique to reduce SEMS migration.
    • This method is particularly beneficial for managing esophago-respiratory fistulas.
    • While effective against migration, potential delayed complications require consideration.