经颅多普勒超声采用不同体位探查椎 - 基底动脉的准确性的研究进展

雪 韩(佳木斯大学附属第一医院，中国)
春杰 魏(佳木斯大学附属第一医院，中国)

摘要

当前脑血管疾病已成为严重威胁人类健康的重大疾病。椎-基底动脉管腔狭窄或痉挛可导致椎-基底动脉系统发生缺血性血液循环障碍，从而导致患者有头痛、眩晕、视力障碍、共济失调、意识障碍等症状，甚至出现后循环梗死。经颅多普勒超声（TCD）利用超声多普勒效应原理，通过颅骨薄弱部位，以获取颅底动脉血流动力学参数，包括血流速度及方向、频谱及声频变化、动脉搏动指数和阻抗指数等，可动态评估颅内血管血流动力学变化，间接反映颅内血管情况，综合分析被检者的各个参数变化，可了解其颅内血管狭窄或闭塞的部位、程度，从而明确被检者的供血情况和有无血管病变。论文将就经颅多普勒超声采用不同体位探查椎-基底动脉的准确性的研究进展进行综述。

关键词

经颅多普勒超声；椎-基底动脉；体位

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DOI: http://dx.doi.org/10.12345/yzlcyxzz.v7i4.17120