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Updated: Jun 20, 2026

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

Syncope and carotid artery stenosis

S M Cordina1, A I Qureshi

  • 1Zeenat Qureshi Stroke Research Center, University of Minnesota, Minneapolis, MN, USA. scordina@umn.edu

Minerva Medica
|September 15, 2009
PubMed

Insights

The carotid sinus regulates blood pressure, but its baroreceptor function can be impaired by disease or procedures. Carotid sinus hypersensitivity can cause syncope due to reduced blood flow to the brain.

Area of Science:

  • Cardiovascular physiology
  • Neurology

Background:

  • The carotid sinus is crucial for regulating systemic blood pressure via the baroreceptor mechanism.
  • This mechanism is susceptible to disruption by various pathological conditions and medical interventions.

Purpose of the Study:

  • To explore the relationship between carotid sinus pathology, carotid artery stenosis, and syncope.
  • To describe the clinical consequences of carotid stenosis and hypersensitivity leading to cerebral hypoperfusion.
  • To provide recommendations for screening patients at risk.

Main Methods:

  • Literature review and synthesis of existing studies on carotid sinus function, stenosis, and syncope.
  • Analysis of clinical presentations and etiological factors of syncope related to the carotid sinus.
  • Formulation of evidence-based screening recommendations.

Main Results:

  • Carotid artery stenosis is rarely a direct cause of syncope.
  • Syncope is more commonly associated with carotid sinus pathology and iatrogenic causes during procedures.
  • Carotid stenosis and hypersensitivity can lead to cerebral hypoperfusion and syncope.

Conclusions:

  • Carotid sinus hypersensitivity and related conditions are significant causes of syncope.
  • Screening strategies are recommended for patients with suspected carotid sinus-related syncope.
  • Understanding these mechanisms is vital for accurate diagnosis and management.

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