斑点追踪技术定量评价慢性肺源性心脏病患者右心室功能

被引:4
作者
张佳怡
高静
吴存刚
葛丽丽
李玉宏
机构
[1] 辽宁医学院附属第一医院超声科
关键词
慢性肺源性心脏病; 肺动脉高压; 斑点追踪技术;
D O I
暂无
中图分类号
R541.5 [肺原性心脏病]; R445.1 [超声波诊断];
学科分类号
100201 [内科学]; 100231 [临床病理学];
摘要
应用斑点追踪技术(STE)定量评价慢性肺源性心脏病患者右心室功能的改变。在我院明确诊断为慢性肺源性心脏病患者39例作为病例组,健康体检人员30例作为对照组。应用STE测量右心室收缩期峰值应变率(SRs)、舒张早期峰值应变率(SRe)、舒张晚期峰值应变率(SRa),计算舒张早期峰值应变率与舒张晚期峰值应变率的比值(SRe/SRa);测量三尖瓣环游离壁舒张早期运动速度峰值(Ea)、舒张晚期运动速度峰值(Aa)并计算其比值(Ea/Aa);计算右心室面积变化率(RVFAC)。病例组RVFAC、Ea/Aa、SRs、SRe、SRa、SRe/SRa均低于对照组(P<0.05)。SRs与RVFAC呈显著正相关(r=0.725,P<0.001)。SRs、RVFAC与PASP呈显著负相关(r1=-0.695,r2=-0.664,P<0.001)。SRe/SRa与Ea/Aa呈显著正相关(r=0.701,P<0.001)。慢性肺源性心脏病患者右心室收缩和舒张功能减低。STE可以定量评价慢性肺源性心脏病患者右心室功能的改变。
引用
收藏
页码:39 / 41
页数:3
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