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Published on: January 17, 2013
High-risk features of basilar artery atherosclerotic plaque
Shaojun Li1, Jiana Wei1, Ruiyun Huang1
1Department of Neurology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
Introduction:
High-resolution magnetic resonance imaging (HR-MRI) is used to characterize atherosclerotic plaque. The present study aimed to determine the high-risk features of the basilar artery (BA) atherosclerotic plaque.
Methods:
Patients with advanced BA stenosis were screened. The features including the ruptured fibrous cap (RFC), lipid core, intraplaque hemorrhage (IPH), plaque enhancement, and calcification were assessed by using high-resolution MRI. The relationship between the features and acute infarction was analyzed.
Results:
From 1 June 2014 to 31 December 2018, a total of 143 patients with 76 new strokes were included. RFC was identified in 25% of symptomatic and 10.4% of asymptomatic patients. IPH was identified in 48.7% of symptomatic and 25.4% of asymptomatic patients. RFC (3.157, 95% CI 1.062 to 9.382, p = 0.039) and IPH (2.78, 95% CI 1.127 to 6.505, p = 0.026) were independent risk factors for acute infarction.
Conclusion:
Our study showed that RFC and IPH of BA plaque were independent risk factors for acute infarction.
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