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Related Experiment Videos

Carotid plaque morphology: a review

J K Hayward1, A H Davies, P M Lamont

  • 1Department of Vascular Surgery, Bristol Royal Infirmary, U.K.

European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery
|May 1, 1995
PubMed
Summary

Carotid endarterectomy is optimal for symptomatic patients with >70% carotid stenosis. However, plaque morphology is not currently a reliable factor for determining surgery in other carotid disease patient groups.

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Area of Science:

  • Vascular Surgery
  • Neurology
  • Medical Imaging

Background:

  • The North American Symptomatic Carotid Endarterectomy Trial established optimal management for symptomatic internal carotid artery stenosis (>70%).
  • Attention is refocusing on carotid pathology and identifying optimal surgical candidates beyond this group.
  • Identifying subgroups of patients with carotid disease who may progress to stroke and benefit from surgery remains a key challenge.

Purpose of the Study:

  • To review the role of carotid plaque morphology in symptom development.
  • To assess if plaque morphology, alongside stenosis degree, can predict stroke risk.
  • To review non-invasive methods for assessing plaque morphology.

Main Methods:

  • Literature review of studies on carotid plaque natural history.

Related Experiment Videos

  • Analysis of evidence regarding plaque morphology and symptom development.
  • Review of non-invasive plaque morphology assessment techniques.

    • Main Results:

    • Evidence does not currently support using plaque morphology as a primary factor for selecting patients for carotid endarterectomy.
    • The degree of stenosis remains a critical factor in assessing risk for carotid plaques.
    • Further research is needed to validate the role of plaque morphology in risk stratification.

    Conclusions:

    • Plaque morphology is not a discriminating factor for carotid endarterectomy at present.
    • Optimal surgical management for various carotid disease groups requires further investigation.
    • Risk assessment for carotid plaques should primarily consider stenosis degree, with plaque morphology requiring more evidence for clinical application.