病变对侧va呈收缩期血流速度增快的高阻力频谱。
High resistance waveform with increased flow velocity was seen in contralateral VA.
结果6例患者均表现为肝固有动脉纡曲扩张伴血流速度增快，5例同时伴有肝内动脉纡曲扩张；
Results The proper hepatic arteries of all 6 patients and the intrahepatic arteries of 5 patients were dilated and tortuous, and the flow velocities in them were increased.
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