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应变率成像评价扩张型心肌病左室局部心肌收缩和舒张功能

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摘要 目的应用应变率成像(SRI)技术评价扩张型心肌病(DCM)患者左心室局部心肌长轴方向收缩和舒张功能。方法获取18例DCM患者和40例正常对照组心尖左室长轴、心尖两腔、心尖四腔的心肌应变率曲线,测量并比较两组各室壁各节段水平的收缩期、舒张早期、舒张晚期的峰值应变率(SRs、SRe、SRa)。测量左室射血分数(LVEF)和二尖瓣口血流的E峰、A峰。结果DCM组各节段水平的SRs、SRe、SRa明显低于正常对照组(P<0.05或P<0.01)。结论SRI技术能准确可靠地评价DCM患者左室局部心肌收缩和舒张功能。
作者 陈爱 张生光 李伟伟 郑哲岚
机构地区 浙江大学医学院附属第一医院超声科 解放军第
出处 《中国老年学杂志》 CAS CSCD 北大核心 2008年第22期2247-2249,共3页 Chinese Journal of Gerontology
关键词 扩张型心肌病 左心室功能 应变率成像
分类号 R542.2 [医药卫生—心血管疾病] R445.1 [医药卫生—影像医学与核医学]
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参考文献8

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共引文献30

中国老年学杂志
2008年 第22期

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