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|本期目录/Table of Contents|

多普勒超声测定人股动脉的相关指标及其影响因素(PDF)

《心脏杂志》[ISSN:1009-7236/CN:61-1268/R]

期数:
2006年第5期
页码:
570-573
栏目:
临床研究
出版日期:
2006-10-25

文章信息/Info

Title:
Determination of confidmenctal area of correlated indexes and influent factors of femoral artery by Doppler ultrasonography in normal subjects
作者:
何光彬; 钱蕴秋; 刘荣贵; 宋艳; 周晓东; 张军; 刘丽文
第四军医大学西京医院超声科，陕西 西安710032
Author(s):
HE Guang-bin;  QIAN Yun-qiu;  LIU Rong-gui;  SONG Yan;  ZHOU Xiao-dong;  ZHANG Jun;  LIU Li-wen
Department of Ultrasonography, Xijing Hospital, Fourth Military Medical University, Xi′an ，Shaanxi 710032, China
关键词:
彩色多普勒; 股动脉; 内中膜厚度; 僵硬度; 扩张性; 顺应性
Keywords:
color doppler ultrasonography; femoral artery; intima-media thickness;  stiffness;  distensibility;  compliance
分类号:
R331.3
DOI:
-
文献标识码:
A
摘要:
目的 应用高频彩色多普勒超声探讨正常人股动脉内中膜厚度、血流动力学变化与血管弹性的相互关系，并分析不同年龄段、性别、血压和心率等因素对这些指标的影响，旨在确定正常人下肢动脉相关指标的正常值范围及其影响因素，为下肢动脉硬化的研究提供参考。方法 对60例正常人的股动脉行二维及彩色多普勒超声检查,观察血管内中膜厚度（IMT），用M型测量血管收缩期及舒张期的内径（DS及Dd），脉冲多普勒测量收缩期峰值速度(Vs)、舒张早期峰值速度(Vd)、舒张早期血流频谱积分(VTId)、血流波传递时间(TRVs)，M型超声记录股动脉前后壁收缩末期和舒张末期运动幅度内径、计算僵硬度β指数、扩张性和顺应性等参数。结果 正常人股动脉IMT随着年龄的增大而逐渐增厚，血流峰值最大速度（Vmax）及TRVs随着年龄的增大而递减，50～70岁年龄段更明显，随着年龄的增大，DS和Dd、僵硬度指数增大，扩张性和顺应性降低(P<0.05)。IMT与僵硬度指数、扩张性和顺应性无明显相关性。僵硬度指数、扩张性、顺应性与脉压相关(P<0.01)，而与收缩压、舒张压无明显相关性。结论 IMT、Vmax、TRVs等指标可反映股动脉功能变化的特征，且TRVs可作为评价老年人股动脉硬化程度的常规指标,操作简单，受相关因素影响较小。
Abstract:
AIM To study the interface among intimamedia thickness (IMT), hemodynamics and vascular elasticity of femoral artery (FA) in normal subjects by color Doppler ultrasonography and to analyze the influential factors. METHODS Twodimensional and color Doppler ultrasonography were used to examine the femoral arteries in sixty normal subjects. The IMT, diameters and peak velocities (Vs) of systolic and diastolic period, velocitytime integra of early diastolic period and time from R peak of ECG to the start of systolic wave (TRVs) were measured and the stiffness index (β) and parameters about vascular distensibility and compliance were calculated. RESULTS With age increased, the IMTs, diameters and β increased while the Vmax, TRVs and parameters about vascular distensibility and compliance decreased. The correlation between IMT and β or the correlation between IMT and distensibility and compliance was not significant. CONCLUSION IMT, Vmax and TRVs will affect the changes of structure and function characters of femoral artery and can be used as new indexes in evaluating atherosclerosis of femoral artery.

参考文献/References

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备注/Memo

备注/Memo:
收稿日期：2005-09-28.基金项目：全军医药卫生科研基金项目资助（No. 02M007） 通讯作者：钱蕴秋，主任医师，主要从事心脑血管疾病超声诊断研究 Tel：（029）84774031 Email：gongqian@fmmu.edu.cn 作者简介：何光彬，主治医师，硕士 Tel.（029）84773758 Email：yangxl@fmmu.edu.cn
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