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Abstract #2196

Assessment of Apparent Internal Carotid Tandem Occlusion on High-resolution Vessel Wall Imaging                                      Comparison With DSA

shengting chai1,2, Shuang Xia1,2, Zhiguo Sheng3, Weiwei Xie1,2, Chen Wang3, Song Liu1,2, Ruowei Tang1,2, Chen Cao4, Wenqiang Xin5, Zaiyu Guo6, Peng Mi 7, Binge Chang3, and Xinyu Yang5
1Department of Radiology, Tianjin First Central Hospital, Tianjin, China, 2Department of Radiology, First Central Clinical College, Tianjin, China, 3Department of Neurosurgery, Tianjin First Central Hospital, Tianjin, China, 4Department of Radiology, Tianjin Huanhu Hospital, Tianjin, China, 5Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China, 6Department of Neurosurgery, Tianjin TEDA Hospital, Tianjin, China, 7Department of Data statistics, Beijing Hithink Pharmaceutical Technology Service Co.,Ltd, Beijing, China

This study aimed to identify the true ICA tandem occlusions and screen suitability for endovascular recanalization using High-resolution vessel wall imaging (HR-VWI). Patients without blood flow signal in the ICA on MRA who underwent both HR-VWI and DSA was included, and classified into the 4 categories. The suitability for recanalization of occlusion vessels was evaluated. The study showed that about half of patients with an apparent tandem ICA occlusion on DSA, the arteries were, in fact, patent or focal occlusion on VWI. VWI would enable superior identification the true ICA tandem occlusion than DSA.

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