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Abstract #0505

Impact of the Age of Plaque Haemorrhage on Plaque Stress in Patients with Symptomatic Carotid Artery Disease- A Patient Specific Magnetic Resonance Imaging-Based Finite Element Method Simulation Study

Umar Sadat1, Zhongzhao Z. Teng2, Zhi Yong Li2, Cheng Cheng Zhu2, Victoria E. Young2, Martin J. Graves2, Jonathan H. Gillard2

1University Department of Radiology , University of Cambridge, Cambridge, United Kingdom; 2University Department of Radiology, University of Cambridge, Cambridge, United Kingdom

Patients suffering from a transient ischemic attack (TIA) are at high risk of recurrent TIAs, particularly within the first 4 weeks. The risk of recurrent thromboembolic events gradually decreases afterwards. The United Kingdom National Stroke Strategy warrants emergency management of high-risk patients. High resolution magnetic resonance can assist us to identify high-risk plaques and assess the morphological and biomechanical changes within plaques using computational simulations, thereby refining our risk stratification criteria for management of high-risk patients. In this study we assess the impact of age of plaque haemorrhage on plaque stress in patients suffering from TIAs.