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Related Experiment Videos

Are Current Cardiovascular Stents MRI Safe?

Jost1, Kumar

  • 1South Texas Cardiovascular Consultants, 4330 Medical Drive, Suite 110, San Antonio, TX, 78292, USA.

The Journal of Invasive Cardiology
|April 14, 2000
PubMed
Summary

Magnetic resonance imaging (MRI) is safe for patients with coronary or carotid stents. All major stents are MRI-safe, allowing scans anytime after implantation.

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Kinetic theory of dense fluids of rigid biaxial ellipsoids

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2001

Area of Science:

  • Cardiovascular medicine
  • Radiology
  • Medical device engineering

Background:

  • Over half a million coronary stents are implanted worldwide annually.
  • Neurologists and radiologists often encounter patients with recent cardiac or carotid stents presenting with acute stroke.
  • Magnetic resonance imaging (MRI) is a crucial diagnostic tool for stroke evaluation.

Purpose of the Study:

  • To review and classify major worldwide stent types.
  • To assess the magnetic properties (ferromagnetism) of these stents in relation to MRI.
  • To determine the safety of performing MRI in patients with cardiac and carotid stents.

Main Methods:

  • Comprehensive review of major global stent models.
  • Classification of stents based on material composition and design.
  • Analysis of stent ferromagnetism and potential interactions with MRI fields.

Main Results:

  • All currently available major stents were classified.
  • Analysis confirmed that all reviewed stents exhibit negligible ferromagnetism.
  • No adverse interactions were identified between current stents and MRI procedures.

Conclusions:

  • Current coronary and carotid stents are MRI safe.
  • MRI can be performed at any time following stent implantation without contraindication.
  • This finding simplifies stroke management in patients with cardiovascular implants.

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