[A new approach to arterial rigidity: ultrasonic tissue mode imaging].
[A new approach to arterial rigidity: ultrasonic tissue mode imaging].
复制标题
[动脉硬化的新方法：超声组织模式成像]。
DOI：
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发表时间：
2003
期刊：
影响因子：
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通讯作者：
D. Stephan
中科院分区：
文献类型：
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作者：
J. Steinbach;M. Saboyá;F. Le Bourg;H. Petit;B. Gény;D. Stephan
血管僵硬度是心血管疾病发病率和死亡率的主要影响因素。组织多普勒成像技术（TDI）可以通过测量动脉壁运动速度来评价血管的刚性。这项工作的目的是验证使用组织多普勒成像评估颈动脉硬度。用TDI（ATL HDI 5000和软件HDI Lab）测量以下参数：顶骨运动的最大速度和平均加速度（VMax和AccMax）。根据动脉直径和脉压（VMax cor和AccMax cor）校正这些测量值。这些数据已被比较的弹性模式M回波描记术的计算参数。纳入了31例年龄为26 - 77岁（41.6 +/- 10.6岁，m +/- ESM）、无动脉粥样硬化斑块或高血压的受试者。VMax与M型超声心动图计算的顶叶速度非常显著相关（r = 0.77; p = 0.00002）。VMax cor与以下刚度参数显著相关：扩张系数、顺应系数、脉搏波传导速度、杨氏弹性模量、系数β。[表：见正文]组织多普勒成像可轻松评估与弹性参数相关的颈动脉硬度。因此，它构成了一种评估心血管风险的方法。进一步的纵向研究将能够评估颈动脉僵硬度作为心血管风险的因果因子的参与。
Vascular stiffness is a major contributory factor of cardiovascular morbidity and mortality. Tissue Doppler imaging (TDI) could make it possible to evaluate vascular rigidity in a site by the measurement of the arterial wall velocity. The objective of this work is to validate the use of tissue Doppler imaging in the assessment of carotid rigidity. The following parameters were measured with TDI (ATL HDI 5000 and software HDI Lab): maximum velocity and mean acceleration of parietal motion (VMax and AccMax). These measurements were corrected for the arterial diameter and pulse pressure (VMax cor and AccMax cor). These data have been compared to the calculated parameters of elasticity from a mode M echography. Thirty-one subjects aged of 26 to 77 years (41.6 +/- 10.6 years, m +/- ESM), without atheromatous plaque or high blood pressure, have been included. The VMax is correlated very significantly at the parietal velocity calculated with mode M echography (r = 0.77; p = 0.00002). The VMax cor is correlated significantly with the parameters of stiffness following: distensibility coefficient, compliance coefficient, pulse wave velocity, elasticity modulus of Young, coefficient beta. [table: see text] Tissue Doppler imaging allows an easy evaluation of the carotid stiffness correlated with the parameters of elasticity. Therefore it constitutes a method of evaluation of the cardiovascular risk. Further longitudinal studies will be able to assess the involvement of the carotid stiffness as causal agent of the cardiovascular risk.