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Related Experiment Videos

Vascular complications arising from maldeployed stents.

Cliff Kitchens1, William Jordan, Douglas Wirthlin

  • 1Department of Surgery, University of Alabama at Birmingham, 1922 Seventh Avenue South, Birmingham, AL 35294-0007, USA.

Vascular and Endovascular Surgery
|April 16, 2002
PubMed
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Vascular stent complications, including undeployed or maldeployed devices, can lead to serious issues like thrombosis and migration. Careful placement and diligent follow-up surveillance are crucial to prevent adverse events.

Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Medical Device Complications

Background:

  • Vascular stents are widely used to treat stenotic or occlusive arterial disease.
  • Complications arising from stent maldeployment or failure to deploy can be severe.
  • This study reviews unusual vascular complications associated with stent placement.

Observation:

  • Six cases of unusual vascular complications secondary to vascular stent placement were identified.
  • Complications included undeployed stents causing thrombosis, malpositioned stents, stent migration, partially deployed stents leading to occlusion, and arterial dissection with pseudoaneurysm.
  • Patient data were retrospectively collected from databases and imaging studies.

Findings:

  • Five of the six patients required surgical intervention for their complications.

Related Experiment Videos

  • Undeployed stents in the superior mesenteric artery and aortic bifurcation were noted.
  • Stent migration to the tibial artery and occlusion of the renal artery were observed.

    • Implications:

    • The increasing use of vascular stents may lead to a rise in complications requiring operative intervention.
    • Foreign body migration and thrombotic occlusion are significant risks.
    • Vigilance during stent deployment and thorough post-procedure surveillance are essential to mitigate risks.