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Abstract #2769

Predicting Procedure Successful Rate after Endovascular Recanalization for Chronic Carotid Artery Occlusion by 3D Vessel Wall Imaging

Huilin Zhao1, Jianrong Xu1, Xiaosheng Liu1, Beibei Sun1, Jieqing Wan2, Weibo Chen3, Xihai Zhao4, and Chun Yuan5

1Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China, 2Neurosurgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China, 3MR Clinical Science, Philips Healthcare, Greater China, People's Republic of China, 4Center for Biomedical Imaging Research,Department of Biomedical Engineering, Tsinghua University, Beijing, People's Republic of China, 5University of Washington, WA, United States

Endovascular recanalization in patients with carotid chronic total occlusion (CTO) has been reported to be technically challenging. In this study, we retrospectively analyzed the 3D vessel wall imaging in patients with carotid CTO and its relationship to technical success rates. A total of 15 consecutive carotid CTO recanalization attempts were performed with overall technical success rate 60.0%. Compared with failure group, patients with an occlusion length <50mm, distal true lumen visibility in C1 segment on MR vessel wall images had a higher rate of successful recanalization. 3D vessel wall MR imaging may play a role in patient selection of endovascular recanalization in patients with carotid CTOs.

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