二维斑点追踪显像评价急性肺栓塞患者右心室局部心肌收缩功能改变

被引:9
作者
周桦
谢明星
任萍萍
武彧
贺林
吕清
王静
杨亚利
机构
[1] 华中科技大学同济医学院附属协和医院超声影像科湖北省分子影像重点实验室
关键词
超声心动描记术; 肺栓塞; 心室功能,右; 斑点追踪显像,二维;
D O I
暂无
中图分类号
R445.1 [超声波诊断]; R563.5 [肺栓塞];
学科分类号
100201 [内科学]; 100231 [临床病理学];
摘要
目的应用二维斑点追踪显像(2D-STI)评价急性肺栓塞(APE)患者右心室局部心肌收缩功能。方法 APE患者40例,正常对照组40例。获取心尖四腔观,记录常规二维超声测值,2D-STI测量右室游离壁及室间隔基底段、中间段、心尖段纵向收缩峰值速度(VL)、纵向收缩峰值应变(SL)、纵向收缩峰值应变率(SRL),对结果进行组间及组内比较。结果 APE患者右室壁各节段VL及SL(游离壁基底段SL除外)均较对照组显著降低,差异有统计学意义(P<0.05);右室壁各节段SRL与对照组相比,差异无统计学意义(P>0.05)。对照组及APE患者室间隔各节段VL均较右室游离壁相应节段显著降低,差异有统计学意义(P<0.05)。结论 APE患者右室局部心肌收缩功能降低,2D-STI是评价APE患者右心室局部心肌功能改变的一种新方法。
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