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A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
09:36

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis

Published on: August 12, 2025

Potential cause of delayed strokes following carotid artery stenting

Nobuhiko Ogata1, Norihiko Shinozaki, Yuji Ikari

  • 1Department of Cardiovascular Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, Japan, ogatan@is.icc.u-tokai.ac.jp.

Cardiovascular Intervention and Therapeutics
|May 14, 2013
PubMed

Insights

Carotid artery stenting (CAS) is a viable alternative to carotid endarterectomy (CEA). Intravascular ultrasound (IVUS) imaging during CAS may reveal causes of post-procedure stroke.

Area of Science:

  • Interventional neurology
  • Vascular imaging
  • Cerebrovascular disease

Background:

  • Carotid artery stenting (CAS) offers an alternative to carotid endarterectomy (CEA) for carotid artery stenosis.
  • Randomized trials confirm CAS non-inferiority to CEA regarding major adverse events (MAE).
  • A persistent challenge in CAS is the slightly elevated risk of ipsilateral minor stroke post-procedure.

Observation:

  • Intravascular ultrasound (IVUS) is routinely used during CAS procedures.
  • IVUS imaging provides detailed views of the carotid artery during stenting.
  • Specific IVUS findings have been observed in patients experiencing delayed stroke after CAS.

Findings:

  • Representative IVUS findings are presented that may explain delayed stroke post-CAS.
  • These findings offer insights into the mechanisms of periprocedural stroke.
  • The study highlights the potential of IVUS in identifying stroke risks.

Implications:

  • Understanding IVUS findings can help mitigate stroke risk associated with CAS.
  • This research may lead to improved patient selection and procedural techniques for CAS.
  • Further investigation into IVUS markers could enhance the safety of CAS procedures.

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