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Related Experiment Videos

Duodenal perforation by a Wallstent.

V K Thumbe1, A D Houghton, M S Smith

  • 1Dept. of Surgery, Royal Shrewsbury Hospital NHS Trust, UK.

Endoscopy
|June 23, 2000
PubMed
Summary

Metallic mesh stents offer an alternative to surgery for malignant gastric outlet obstruction. However, a case of Wallstent migration and duodenal perforation highlights potential risks, suggesting design modifications may be necessary.

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Area of Science:

  • Gastroenterology
  • Interventional Endoscopy
  • Surgical Oncology

Background:

  • Malignant gastric outlet obstruction (GOO) often requires palliative treatment.
  • Metallic mesh stents (e.g., Wallstent) are an endoscopic alternative to surgical bypass.
  • Stent placement aims to relieve obstruction and improve quality of life.

Observation:

  • A patient with advanced malignancy developed gastric outlet obstruction.
  • A Wallstent was inserted endoscopically to palliate the obstruction.
  • The patient later presented with duodenal perforation due to stent migration.

Findings:

  • The metallic mesh stent migrated from its original position.
  • The sharp ends of the Wallstent caused a late duodenal perforation.
  • This complication raises concerns about the safety and efficacy of Wallstents in GOO.

Implications:

  • Current Wallstent design may pose risks of ulceration and perforation.
  • Further investigation into stent design modifications is warranted.
  • The role of endoscopic stenting versus surgical bypass for malignant GOO needs careful consideration.

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