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Updated: Aug 7, 2026

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
Published on: February 7, 2015
Carotid Artery Longitudinal Displacement, Cardiovascular Disease and Risk Factors: The Multi-Ethnic Study of
Adam D Gepner1, Laura A Colangelo2, Nicole Reilly1
1Division of Cardiovascular Medicine, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States of America.
Insights
Carotid artery longitudinal displacement, a measure of artery movement, is linked to ethnicity and intima-media thickness. This displacement may help predict cardiovascular disease and coronary heart disease events.
Area of Science:
- Cardiovascular Science
- Vascular Biology
- Medical Imaging
Background:
- Investigated associations between carotid artery longitudinal displacement, cardiovascular disease (CVD) risk factors, and CVD events.
- Utilized a large, multi-ethnic cohort for comprehensive analysis.
Purpose of the Study:
- To evaluate the relationship between carotid artery longitudinal displacement and CVD risk.
- To determine if longitudinal displacement can predict future CVD and coronary heart disease (CHD) events.
Main Methods:
- Developed a novel ultrasound speckle-tracking protocol to measure carotid artery longitudinal displacement.
- Analyzed data from 389 participants in the Multi-Ethnic Study of Atherosclerosis.
- Employed univariate analyses, Pearson correlations, and Cox proportional hazards models.
Main Results:
- Less longitudinal displacement was associated with Chinese ethnicity compared to White.
- Greater longitudinal displacement correlated with increased carotid intima-media thickness.
- Longitudinal displacement showed a trend towards predicting CHD and CVD events, though not statistically significant.
Conclusions:
- Carotid artery longitudinal displacement is associated with ethnicity and carotid intima-media thickness.
- Longitudinal displacement may serve as a potential predictor for adverse cardiovascular and coronary heart disease events.
Background:
Associations between carotid artery longitudinal displacement, cardiovascular disease risk factors, and events were evaluated in a large, multi-ethnic cohort.
Materials And Methods:
A novel, reproducible protocol was developed for measuring right common carotid artery longitudinal displacement using ultrasound speckle-tracking. Total longitudinal displacement was measured in 389 randomly selected participants from the Multi-Ethnic Study of Atherosclerosis that were free of cardiovascular disease at baseline. Univariate analyses and Pearson Correlations were used to define relationships between longitudinal displacement with traditional cardiovascular risk factors and traditional measures of arterial stiffness. Hazard ratios of longitudinal displacement for cardiovascular disease and coronary heart disease events were compared using Cox proportional hazards models.
Results:
Participants were a mean (standard deviation) 59.0 (8.7) years old, 48% female, 39% White, 26% Black, 22% Hispanic, and 14% Chinese. They had 19 (4.9%) cardiovascular disease and 14 (3.6%) coronary heart disease events over a mean 9.5 years of follow-up. Less longitudinal displacement was associated with Chinese (β = -0.11, p = 0.02) compared to White race/ethnicity and greater longitudinal displacement was associated with higher carotid intima-media thickness (β = 0.26, p = 0.004). Longitudinal displacement was not associated with other cardiovascular disease risk factors or markers of arterial stiffness. After adjustment for age and sex, and heart rate, Chinese race/ethnicity (β = -0.10, p = 0.04) and carotid intima-media thickness (β = 0.30 p = 0.003) were associated independently with longitudinal displacement. Longitudinal displacement predicted coronary heart disease (Hazard ratio [HR] 3.3, 95% Confidence intervals [CI] 0.96-11.14, p = 0.06) and cardiovascular disease (HR 2.1, 95% CI 0.6-7.3, p = 0.23) events.
Conclusions:
Less longitudinal displacement is associated with Chinese ethnicity and greater carotid artery longitudinal displacement is associated with thicker intima-media thickness. Longitudinal displacement may predict adverse coronary heart disease and cardiovascular disease events.
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