Relationship between artery elasticity, maximal shear rate and intima-media thickness of the carotid arteries in patients with early essential hypertension

WANG Yamin; ZHOU Ningming

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Relationship between artery elasticity, maximal shear rate and intima-media thickness of the carotid arteries in patients with early essential hypertension

更新时间：2026-06-18

- Relationship between artery elasticity, maximal shear rate and intima-media thickness of the carotid arteries in patients with early essential hypertension
- Vol. 25, Issue 4, Pages: 357-359(2016)
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- Online First：11 January 2017，
  
  Published：2016
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王亚敏,周宁明. 探讨早期原发性高血压患者颈动脉弹性功能与血流最大剪切率及内-中膜厚度的相关性[J]. 肿瘤影像学, 2016, 25(4): 357-359
DOI：

王亚敏,周宁明. 探讨早期原发性高血压患者颈动脉弹性功能与血流最大剪切率及内-中膜厚度的相关性[J]. 肿瘤影像学, 2016, 25(4): 357-359 DOI：

摘要

目的：

探讨早期原发性高血压病患者颈动脉弹性功能与血流最大剪切率(SR)及内-中膜厚度(IMT)的相关性。

方法：

选择早期原发性高血压病患者55例和健康者50例。利用高频超声对所有观察对象的颈动脉进行测量，包括颈动脉IMT、收缩期峰值流速(PSV)。利用血管回声跟踪(ET)技术测量相关参数，包括血管舒张期内径(Dd)、压力应变弹性系数(Ep)、硬度指数()和顺应性(AC)。

结果：

与对照组相比，高血压组Ep、值增高(

0.01)，AC值降低(

0.01)，Dd增宽(

0.01)，PSV和SR降低(

0.01)，IMT无统计学差异。Ep、值与IMT呈正相关(

=0.527、0.556，

0.01)，与SR呈负相关(

=-0.513、-0.537，

0.01)；AC值与IMT呈负相关(

=-0.477，

0.01)，与SR呈正相关(

=4.58，

0.01)；SR与IMT呈负相关(

=-0.537，

0.01)。

结论：

早期原发性高血压病患者颈动脉弹性及SR已发生改变，低SR加速了血管内皮功能的损伤及动脉硬化的发展。

Abstract

Objective:

To probe the relationship between artery elasticity

maximal shear rate (SR) and intima-media thickness (IMT) of the carotid arteries in the patients with early essential hypertension.

Methods:

55 cases of early essential hypertension and 50 healthy controls were selected from Shanghai Fifth Peoples Hospital

Fudan University. The IMT

peak icsystolic velocity (PSV) of the carotid arteries were measure

d with high resolution ultrasound. The diastolic diameter (Dd)

pressure strain elastic coefficient (Ep)

stiffness parameter ()

arterial compliance (AC) were detected by echo-tracking (ET) technique.

Results:

Compared with the control group

and Dd values were increased (

0.01)

PSV and SR were decreased (

0.01)

and AC value was decreased (

0.01) in the hypertension group. There was no difference in IMT value between the two groups. Ep and values had significant positive correlations with IMT (

=0.527

0.556;

0.01) and a significant negative correlation with SR (

=-0.513

-0.537;

0.01). AC value had a negative correlation with IMT (r=-0.477

0.01) and a positive correlation with SR(

=4.58

0.01). SR had a negative correlation with IMT (

=-0.537

0.01).

Conclusion:

There are changes in artery elasticity and SR in early essential hypertension. Lower SR can accelerate the injure of vascular endothelial function and the process of arteriosclerosis.

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