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实时三维超声心动图定量评价原发性高血压患者左室收缩同步性的临床研究 被引量:2

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摘要 目的探讨实时三维超声心动图定量评价原发性高血压患者左窒收缩同步性的临床应用价值。方法使用Philips IE33超声显像仪采集62例原发性高血压患者与30例健康志愿者的组织多普勒成像与左室全容积图像。使用3DQ Advanced软件自动计算16个节段、12个节段、6个基底段收缩期容积达峰时间(Tmsv)的标准差(Tmsv16-SD、Tmsv12-SD、Tmsv6-SD)与最大差(Tmsv16-Dif、Tmsv12-Dif、Tmsv6-Dif),并与组织多普勒成像的12个节段左室收缩期速度达峰时间标准差(Ts-SD)进行相关性分析,将上述数据除以各受检者的心动周期时间(R,R间期,以ms为单位),得到Tmsv16-SD%、Tmsv12.SD%、Tmsv6-SD%、Tmsv16-Dif%、Tmsv12-Dif%、Tmsv6-Dif%,从而消除心率的影响。结果原发性高血压患者左室射血分数≤35%及36%,50%的Tmsv16.SD%分别为(16.1±4.7)%、(3.8±1.3)%,均显著高于健康志愿者的(1.2±0.6)%(P〈0.05),而原发性高血压患者左室射血分数〉50%的Tmsv16.SD%[(1.4±0.7)%]与健康志愿者比较差异无统计学意义(P〉0.05)。Tmsv16.SD与Ts-SD呈正相关r=0.732,P〈0.05)。结论实时三维超声心动图可以定量评价原发性高血压患者左室收缩的同步性。
出处 《中国医师进修杂志》 2011年第4期34-36,共3页 Chinese Journal of Postgraduates of Medicine
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参考文献11

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二级参考文献24

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