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双通道多普勒超声成像技术评价扩张型心肌病患者心功能的应用价值

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摘要 选择临床确诊的DCM患者30例作为观察组,随机抽取40例健康人作为对照组进行研究,每位患者均行常规超声心动图检查,测量二尖瓣舒张早期峰值流速(E峰)和舒张晚期峰值流速(A峰),并采用双通道多普勒法(DPw)和传统方法分别获得左心室Tei指数和舒张早期二尖瓣血流峰值流速(E)与彩色M型舒张早期血流传播速度(Vp)比值(E/Vp),观察对比分析各组心脏结构及心功能参数的差异性。结果观察组两种方法测得Tei指数和E/Vp均高于对照组(P<0.05);与传统方法相比,双通道多普勒超声成像技术测的Tei指数和E/Vp均增大(P<0.05)。双通道多普勒超声成像技术测量Tei指数及E/Vp不受心律的影响,可作为准确敏感评估DCM患者左心室功能的指标。
作者 纪宗萍
出处 《现代诊断与治疗》 CAS 2016年第13期2466-2468,共3页 Modern Diagnosis and Treatment
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