Differences in Carotid Arteries Between CAD Patients and Controls
Author Information
Author(s): Underhill Hunter R, Yuan Chun, Terry James G, Chen Haiying, Espeland Mark A, Hatsukami Thomas S, Saam Tobias, Chu Baocheng, Yu Wei, Oikawa Minako, Takaya Norihide, Yarnykh Vasily L, Kraft Robert, Carr J Jeffrey, Maldjian Joseph, Tang Rong, Crouse John R III
Primary Institution: University of Washington
Hypothesis
Individuals with and without obstructive CAD differ in their carotid arterial wall morphology and composition as identified by high spatial resolution carotid CMR.
Conclusion
Males with obstructive CAD had smaller carotid arteries with thicker walls and an increased prevalence of lipid-rich necrotic core compared to controls.
Supporting Evidence
- Males with CAD had smaller lumen and total vessel areas in the distal bulb and internal carotid arteries compared to controls.
- CAD cases had a higher prevalence of lipid-rich necrotic core and calcification compared to controls.
- Gender-specific differences were observed, with males showing more significant differences than females.
Takeaway
This study looked at the arteries in people with and without heart disease and found that those with heart disease had smaller and thicker arteries.
Methodology
Participants were imaged using a multi-sequence carotid CMR protocol at 1.5T, and various metrics of the carotid arteries were recorded and analyzed.
Potential Biases
The study may have selection bias due to the specific criteria for control participants.
Limitations
The control group may not accurately reflect the general population, and individuals with non-obstructive CAD were not included.
Participant Demographics
191 participants (50.3% female; 50.8% CAD cases) aged over 45 years.
Statistical Information
P-Value
p < 0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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