| 王宇,段云友,袁丽君,张莉,王佳.速度向量成像技术评价正常人颈总动脉内膜力学状态的初步研究[J].中国医学影像技术,2008,24(8):1198~1200 |
| 速度向量成像技术评价正常人颈总动脉内膜力学状态的初步研究 |
| Preliminary research of velocity vector image in the evaluation of common carotid artery inner membrane condition in normal people |
| 投稿时间：2008-03-07 修订日期：2008-06-09 |
| DOI： |
| 中文关键词: 速度向量成像 超声检查 颈动脉 正常人 |
| 英文关键词:Velocity vector image Ultrasonography Carotid artery Normal person |
| 基金项目: |
|
| 摘要点击次数: 2293 |
| 全文下载次数: 1132 |
| 中文摘要: |
| 目的 应用速度向量成像(VVI) 技术,初步探讨正常人颈总动脉管壁长轴方向运动速度、应变及应变率的特点及关系。方法 试验组32例正常人,用VVI技术测量颈总动脉管壁长轴方向前壁、后壁的收缩期及舒张期最大峰值运动速度(Vs)、最大切向应变(Smax) 及最大切向应变率(SRmax)之间的关系。结果 正常人颈总动脉前壁与后壁长轴方向运动速度比较无明显差异(P>0.05),前壁与后壁应变比较无明显差异(P>0.05),前壁与后壁应变率比较无明显差异(P>0.05),颈静脉搏动对于颈动脉前壁的影响不明显,近心端分析点与远心端分析点速度、应变及应变率均无明显差异(P>0.05)。结论 VVI 技术可用于颈总动脉管壁运动速度、应变及应变率的推测分析。 |
| 英文摘要: |
| Objective The initial application of velocity vector image (VVI) in the evaluation of the velocity of movement, the strain and the strain rate characteristics in normal person’s common carotid artery (CCA) wall as longitude scanning. Methods The CCA of 32 normal people in experimental group were scanned longitudelly to measure the systolic peak velocity and the diastolic peak velocity (Vs), the maximal tangential strain (Smax) and the maximal tangential strain rate (SRmax ) on the anterior wall and the posterior wall. Results There is no significant difference (P>0.05) of the velocity of movement, the strain and the strain rate between the anterior wall and the posterior wall in normal people. The pulsation of internal jugular vein does not obviously affect the CCA. There is no significant difference of the velocity of movement, the strain and the strain rate between the proximate site and the distal site (P>0.05). Conclusion VVI is an effective technique in evaluation of he velocity of movement, the strain and the strain rate. |
| 查看全文 查看/发表评论 下载PDF阅读器 |
|
|
|
