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摘要目的研究多发硬化(MS)与对照受试者颅外静脉灰阶、彩色与频谱多普勒超声的差异。方法62例确认MS病人与54例对照受试者纳入研究。评价站立位与仰卧位的截面面积(CSA),Valsalva呼吸时反流,颈内静脉(IJV)是否有反流。同时记录IJV与椎静脉(VV)的血流量(BFV)。结果站立位时IJV反流的
Abstract Objective To study the differences of extracranial grayscale, color and spectrum Doppler ultrasound in patients with multiple sclerosis (MS) and control subjects. Methods Sixty-two confirmed MS patients and 54 control subjects were enrolled in the study. The cross-sectional area of standing and supine position (CSA), Valsalva respiration during respiration, and internal jugular vein (IJV) were assessed. Both IJV and vertebral vein (VV) blood flow (BFV) were recorded. The results stand when IJV reflux