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Abstract #1350

Reproducibility of Semi-Automated Measurement for Carotid Arterial Distensibility Using CINE MRI at 3T

Gador Canton1, Jinnan Wang2, Li Dong1, William Sean Kerwin1, Chun Yuan1

1Radiology, University of Washington, Seattle, WA, United States; 2Clinical Sites Research Program, Philips Research North America, Briarcliff Manor, NY, United States

The aim of this study was to determine the inter-scan reproducibility of distensibility measurements at the common and internal carotid arteries using CINE MRI at 3 T. Our results show a good agreement in the area and the distensibility measurements between the two scans. Furthermore, we compared the difference in distensibility for both segments of the artery. We found a significant difference between the common and internal carotid arteries, suggesting that mechanical modeling of the forces acting on the arterial wall could be further improved by incorporating the different mechanical properties of different arterial segments.