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Related Concept Videos

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The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
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The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
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Related Experiment Video

Updated: Jul 6, 2025

Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability
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Carotid stenosis and cryptogenic stroke.

Luca Saba1, Riccardo Cau1, Giacomo Spinato2

  • 1Department of Radiology, Azienda Ospedaliero Universitaria (A.O.U.), Cagliari, Italy.

Journal of Vascular Surgery
|January 8, 2024
PubMed
Summary
This summary is machine-generated.

Detecting vulnerable, nonstenosing carotid plaques using advanced imaging can identify stroke causes. This improves cryptogenic stroke management and prevention strategies.

Keywords:
CTCarotid imagingCryptogenic strokeMRIPlaque vulnerability

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Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Radiology

Background:

  • Cryptogenic stroke, a stroke of unknown origin, poses challenges in management and prevention.
  • Traditional criteria for large artery atherosclerosis (e.g., >50% carotid stenosis) may miss stroke causes.
  • Nonstenosing carotid plaques with vulnerable features can precipitate cerebrovascular events independently of stenosis degree.

Approach:

  • This review synthesizes findings from imaging-based studies on carotid plaque vulnerability.
  • Literature search conducted across Google Scholar, Scopus, and PubMed for relevant articles.
  • Focus on association between cryptogenic stroke and imaging features of carotid plaque vulnerability.

Key Points:

  • Advanced imaging modalities like MRI, CT, and ultrasound can detect nonstenosing carotid plaques (<50% stenosis).
  • Vulnerable plaque features, even without significant stenosis, are crucial indicators for stroke risk.
  • Accurate detection enables better stroke risk stratification and personalized treatment approaches.

Conclusions:

  • Early identification of vulnerable nonstenosing carotid plaques via imaging refines stroke classification.
  • Improved patient management and stroke prevention strategies can result from these advanced techniques.
  • Further research is needed to integrate these imaging methods into standard diagnostic protocols.