变厚的动脉壁使流通血液的管腔变细。
The thickened artery wall narrows the channel through which the blood flows .
其结果显示：上行性造影可观察深静脉的全程及管腔情况；
The upward venography can show the whole course and the lumen of the deep vein.
CVC - RI与使用导管腔数、置管时间、置管部位有关。
CVC-RI is related to the number of catheter lumen, catheter time, catheter position.
CVC - RI与使用导管腔数、置管时间、置管部位有关。
CVC-RI is related to the number of catheter lumen, catheter time, catheter position.
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