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组织多普勒成像对原发性高血压病患者左室舒张功能的评价 被引量:3

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摘要 目的:应用组织多普勒成像(TDI)评价原发性高血压病患者的左室舒张功能。方法:对126例确诊为高血压病患者(高血压病组EH)和同期46例正常健康体检者(对照组CH)进行心脏彩色多普勒检查对比,应用脉冲多普勒技术(PWD)检测二尖瓣口舒张早期最大流速(E峰)、舒张晚期最大流速(A峰)、计算E/A比值;应用组织多普勒成像(TDI)检测二尖瓣瓣环心肌运动频谱:二尖瓣环室间隔、侧壁位点舒张早期峰值速度(Ea、Ea′)、舒张晚期峰值速度(Aa、Aa′)以及收缩期峰值速度(Sa、Sa′),评价左室舒张功能。结果:高血压病组(EH)二尖瓣环TDI参数Ea、Sa及Ea′、Sa′、平均Ea均低于对照组(CH)(P<0.05)。高血压病组(EH)中,部分病例(8/126)应用脉冲多普勒技术(PWD)测定E/A>1,但组织多普勒成像(TDI)示Ea/Aa<1,表现假性正常化现象。结论:与脉冲多普勒技术(PWD)相比,组织多普勒成像(TDI)能更准确地评价高血压病患者的左室舒张功能,二者结合应用可明显提高左室舒张功能检测的准确性。
出处 《甘肃医药》 2015年第6期438-440,共3页 Gansu Medical Journal
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