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彩色多普勒超声探查椎动脉起始段闭塞患者椎间段的血流变化 被引量:5

Blood flow changes of vertebral artery detected by color Doppler ultrasound in patients with V1 segment occlusion
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摘要 椎动脉闭塞主要由动脉粥样硬化性病变、动脉栓塞及椎动脉夹层等原因引起,分为起始段闭塞和远侧段闭塞。DSA可直接检测椎动脉起始段的闭塞,并能清楚显示与侧支吻合桥接的椎间段管腔,但却不能准确显示椎间段管腔内血流速度和方向。彩色多普勒超声不仅可观察血管结构,还可测得管腔内血流的方向和流速。本组应用彩色多普勒超声探查椎动脉起始段闭塞患者其椎间段的血流方向、流速及频谱形态,探讨其临床应用价值。
出处 《临床超声医学杂志》 2017年第5期356-357,共2页 Journal of Clinical Ultrasound in Medicine
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