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28 天
基于3T亚毫米分辨率双速度编码相位对比MRI的脑穿支动脉搏动性评估
由相位对比MRI(PC-MRI)评估的血流速度波形计算的搏动指数(PI)已被认为是血管功能障碍的有用指标。先前研究已证明,使用超高场7T的更高分辨率2D PC-MRI可以可靠地表征脑穿支动脉的血流速度和搏动性。最近的7T研究报道,脑穿支动脉的较高PI与cSVD相关,表明脑小动脉的搏动性可作为cSVD的敏感 ...
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