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Updated: Dec 12, 2025

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
Published on: February 7, 2015
Measurement of carotid plaque burden
1Stroke Prevention & Atherosclerosis Research Centre, Robarts Research Institute, Western University, London, Ontario, Canada.
Insights
Measuring carotid plaque burden, including total plaque area (TPA) and total plaque volume (TPV), offers superior risk stratification and atherosclerosis research capabilities compared to intima-media thickness (IMT). Vessel wall volume (VWV) is a viable alternative for those without plaque.
Area of Science:
- Cardiovascular Imaging
- Atherosclerosis Research
- Vascular Biology
Background:
- Carotid plaque burden measurement, including total plaque area (TPA) and total plaque volume (TPV), is crucial for understanding atherosclerosis.
- Current methods like carotid intima-media thickness (IMT) have limitations in comprehensively assessing plaque burden.
Purpose of the Study:
- To delineate the applications of measuring carotid plaque burden using TPA, TPV, and vessel wall volume (VWV).
- To highlight the advantages of plaque burden measurement over IMT in clinical practice and research.
Main Methods:
- Review of current literature and clinical applications of carotid plaque burden quantification.
- Comparison of plaque burden metrics (TPA, TPV, VWV) with carotid intima-media thickness (IMT).
Main Results:
- Plaque burden measurement is vital for atherosclerosis risk stratification and patient management.
- It facilitates research into atherosclerosis genetics, biology, and the efficacy of novel therapies.
- Vessel wall volume (VWV) serves as an effective alternative to IMT for individuals without detectable plaque.
Conclusions:
- Measurement of carotid plaque burden (TPA, TPV, VWV) is a superior method for atherosclerosis assessment compared to IMT.
- These advanced imaging techniques should be integrated into clinical practice and research for improved patient outcomes.
Purpose Of Review:
To describe the uses of measurement of carotid plaque burden, as total plaque area (TPA), total plaque volume (TPV), and vessel wall volume (VWV), which includes plaque burden and wall volume.
Recent Findings:
Measurement of plaque burden is useful for risk stratification, research into the genetics and biology of atherosclerosis, for measuring effects of new therapies for atherosclerosis, and for treatment of high-risk patients with severe atherosclerosis.
Summary:
Measurement of plaque burden is far superior to measurement of carotid intima-media thickness (IMT) in many ways, and should replace it. Vessel wall volume can be measured in persons with no plaque as an alternative to IMT.
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