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Related Experiment Video

Updated: Jan 30, 2026

A Murine Model of Ischemic Retinal Injury Induced by Transient Bilateral Common Carotid Artery Occlusion
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Transient Ischemic Attack and Carotid Web.

H Hu1, X Zhang1, J Zhao1

  • 1From the Institute of Diagnostic and Interventional Radiology (H.H., X.Z., J.Z., Y.L.).

AJNR. American Journal of Neuroradiology
|January 19, 2019
PubMed
Summary
This summary is machine-generated.

Carotid webs are linked to transient ischemic attacks (TIA), especially in women without other risk factors. This finding suggests carotid webs may be an underrecognized cause of TIA.

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Area of Science:

  • Neurology
  • Vascular Neurology
  • Neuroradiology

Background:

  • Carotid web is a recognized cause of ischemic stroke.
  • Understanding the clinical and imaging features of carotid webs is crucial for stroke prevention.

Purpose of the Study:

  • To determine the clinical and imaging profiles of patients with carotid webs.
  • To investigate the association between carotid webs and transient ischemic attacks (TIA).

Main Methods:

  • Retrospective review of carotid CT angiography and brain MR imaging in 135 TIA patients.
  • Carotid webs identified by 2 neuroradiologists using established criteria.
  • Interobserver agreement assessed using kappa statistics.

Main Results:

  • Carotid webs detected in 8.9% of TIA patients, predominantly at symptomatic bifurcations.
  • No DWI hyperintensity observed in patients with carotid webs.
  • Higher rate of recurrent TIA in patients with carotid webs (83.3%) compared to those without (12.2%).
  • 75% of patients with carotid webs were women; none had major TIA risk factors.

Conclusions:

  • Carotid web incidence in TIA patients is 8.9%.
  • Association found between carotid webs and TIA in patients lacking other identified risks.
  • Carotid web may be an underestimated risk factor for TIA.