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Application of rotational DSA and three dimensional reconstruction in interventional treatment of carotid stenosis

WANG Jin long *, LING Feng, LI Shen mao, SONG Qing bin, HUANG Ju yi, WANG Yu lin, WU Ting xia(Department of Interventional Radiology Center, Xuanwu Hospital, Capital University of Medical Sciences, Beijing 100053, China)  
Objective To investigate the value of rotational digital subtraction angiography (DSA) and 3 D reconstruction in interventional treatment of carotid stenosis. Methods A total 100 cases diagnosed as carotid stenosis by vascular ultrasound were examined using routine two dimensional (2 D) angiography, rotational DSA and 3 D reconstruction. Results Rotational DSA and 3 D angiography could display the location, appearance and extent of stenotic vessel. The location and appearance of the sclerotic plaques were also clearly demonstrated. Conclusion Compared with conventional 2 D angiography, rotational DSA and 3 D reconstruction can show a more detailed picture of the stenotic vessels. It may help pre procedure planning and evaluate the risk of shedding atheroma into distal circulation.
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