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Abstract #1507

Relationship beween Plaque burden, calcification features and low carotid stent expansion rate by high-resolution MR vessel wall imaging

Meng Yu Sun1, Wei Yu1, and Xiu Jian Lian2
1Radiology, Beijing Anzhen Hospital, BeiJing, China, 2Philips Healthcare, BeiJing, China

Synopsis

Keywords: Vessel Wall, AtherosclerosisTo quantitatively evaluate carotid plaque burden and components and to explore the association between carotid plaque burden and compositions and carotid stent expansion rate (SER) by using carotid high-resolution magnetic resonance vessel wall imaging (HR-VWI). Maximum wall thickness (OR 1.75; 95% CI, 1.02-3.00, P=0.04), maximum single-slice calcification circumference score (OR 2.79, 95% CI 1.06 - 7.37, P=0.03), and maximum area percentage of calcification (OR 1.20, 95% CI 1.04 - 1.39, P=0.01) as predictors of the low SER. Larger culprit plaque, larger calcification area, and greater calcification circumference were independently associated with a low SER after carotid artery stenting.

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