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应用多普勒超声—Tei指数评价脑梗死合并颈动脉粥样硬化患者心功能的研究 被引量:1

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摘要 目的:应用多普勒超声测量所得Tei指数,评价脑梗死合并颈动脉粥样硬化患者心功能情况。材料与方法:采用脉冲多普勒于心尖五腔心切面测量,取得ICT(等容收缩期)、IRT(等容舒张期)值、心室射血时间(ET)应用公式Tei指数=(a-b)/b,即Tei=(ICT+IRT)/ET计算,得出Tei指数值,与对照组比较,观察其变化。结果:脑梗死合并颈动脉粥样硬化组的二尖瓣口血流A/E>1,E峰减速时间延长,Tei指数为0.52±0.056,较对照组Tei指数0.41±0.045明显延长,差异具有显著性。结论:脑梗死合并颈动脉粥样硬化组Tei指数延长,与其它临床指标具有很好的相关性,表明脑梗死合并颈动脉粥样硬化患者心脏收缩及舒张功能均减低。
出处 《现代医用影像学》 2009年第4期249-251,共3页 Modern Medical Imageology
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