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Related Experiment Videos

Computed tomographic study of cervical carotid calcification.

A Culebras1, C Otero, J R Toledo

  • 1Department of Neurology, Veterans Administration Medical Center, New York 13210.

Stroke
|November 1, 1989
PubMed
Summary

Computed tomography reveals calcified deposits in cervical carotid arteries, correlating with age and plaque location. However, carotid artery calcification did not differ between symptomatic and asymptomatic sides in patients with hemispheric ischemia.

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Area of Science:

  • Vascular imaging
  • Cerebrovascular disease
  • Radiology

Background:

  • Carotid plaque complications, particularly calcification, can be assessed non-invasively using contrast-enhanced computed tomography (CECT).
  • Understanding the patterns and clinical significance of carotid artery calcification is crucial for managing patients at risk of stroke.

Purpose of the Study:

  • To investigate the patterns and clinical significance of calcified deposits in the cervical carotid arteries using computed tomography.
  • To explore the relationship between carotid calcification and hemispheric ischemic symptoms.

Main Methods:

  • A study involving 40 patients with unilateral symptoms of hemispheric ischemia.
  • Contrast-enhanced computed tomography (CECT) of the neck was used to evaluate calcified deposits in the external, internal, and common carotid arteries.

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  • Calcium deposits were spatially oriented and individually scored.

    • Main Results:

    • Calcified deposits were identified in 39 out of 40 patients.
    • A significant correlation was found between advancing age and calcium scores.
    • Calcium was more concentrated in the posterior half of the internal and common carotid arteries, associated with atheromatous plaque, suggesting hemodynamic influence.
    • No significant difference in calcification scores was observed between symptomatic and asymptomatic carotid arteries.

    Conclusions:

    • CECT is a valuable tool for assessing carotid artery calcification.
    • Age and hemodynamic forces appear to influence the development and distribution of carotid calcification.
    • Carotid artery calcification itself may not be a direct cause of hemispheric ischemic symptoms.