斑点追踪法三尖瓣环位移评估肺高血压患者的右心室功能

被引:10
作者
吴卫华
谢晓奕
陆静
马兰
魏松霞
机构
[1] 上海交通大学附属上海市胸科医院超声科
关键词
肺高血压; 右心室收缩功能; 斑点追踪; 三尖瓣环位移;
D O I
暂无
中图分类号
R541.3 [高血压性心脏病];
学科分类号
100201 [内科学];
摘要
目的:探讨二维斑点追踪技术测定肺高血压(简称肺高压)患者的三尖瓣环位移(tricuspid annular displacement,TAD)在评估右心室收缩功能方面的临床应用价值。方法:将经胸超声诊断为肺高压的患者共61例分为3个亚组:Ⅰ组(可疑肺高压,n=21),Ⅱ组(肯定肺高压,n=20),Ⅲ组(重度肺高压,n=20)。另选35例年龄相匹配的健康志愿者作对照组。用PhillipSonos iE33超声仪,取心尖四腔观先后采集二维(2D)及实时三维(real-time three-dimension,RT3D)图像,然后将2D图像输入QLAB6.2工作站获取三尖瓣环中点收缩期位移等参数;将RT3D图像输入TomTec工作站,用四维右心室功能分析(4DRVF)软件计算右心室射血分数(RVEF)。结果:TAD各测值与肺动脉收缩压(PASP)中度相关,与3D-RVEF高度相关。肺高压患者TAD各测值均显著低于对照组,各个亚组间TAD各测值比较差异也有统计学意义。TAD在观察者间及观察者内的差异范围分别为(0.05±1.75)mm及(-0.15±1.09)mm。结论:用二维斑点追踪显像技术测定TAD具有快速、准确及重复性好等特点,TAD能客观反映肺高压患者的右心室收缩功能。
引用
收藏
页码:547 / 550
页数:4
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