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二维斑点追踪技术评价急性肺栓塞患者右心室舒张功能的临床研究 被引量:2

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摘要 目的应用二维斑点追踪(2D-STI)技术评价急性肺栓塞(APE)患者的右心室舒张功能。方法 CT肺动脉造影(CTPA)和肺通气灌注显像确诊的急性肺栓塞患者35例,正常对照组30名。应用STI技术测量右室游离壁基底段、中间段、心尖段3个节段纵向舒张早期峰值应变率(SRe)、舒张晚期峰值应变率(SRa)及SRe/SRa。常规超声心动图测量右室舒张末横径(RVED)、右室前壁厚度(RVAW)、三尖瓣舒张早期血流峰值速度(E)和晚期血流峰值速度(A),并计算E/A比值。结果与正常对照组比较,APE组SRe、SRe/SRa、三尖瓣E峰、E/A减低(P<0.05),SRa、RVED、RVAW、三尖瓣A峰增大(P<0.05)。结论急性肺栓塞患者右室舒张功能受损,二维斑点追踪技术能够定量评价右室舒张功能。
出处 《中西医结合心脑血管病杂志》 2014年第4期435-436,共2页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
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