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组织速度成像测定Tei指数评价终末期肾病患者心室功能 被引量：2

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摘要 目的探讨组织速度成像(TVI)测定Tei指数评价终末期肾病(ESRD)患者左、右室功能的价值。方法对30例健康人及31例左室射血分数(EF)正常的ESRD患者,行二维及多普勒超声心动图检查,测量EF、左室舒张末期内径、左室收缩末期内径、室间隔及左室后壁厚度。测量二、三尖瓣口舒张早期、晚期峰值流速(E、A),计算E/A。在TVI模式下,于心尖四腔、两腔观获得左室后间隔、侧壁、前壁、下壁及右室侧壁分别测量二、三尖瓣环运动频谱,包括舒张早期、晚期峰值流速(Em、Am)、心室等容收缩时间(ICT)、等容舒张时间(IRT)、左、右室射血时间(LET、RET),计算左、右心室Tei指数。并比较两组左、右室超声参数。结果与健康对照组相比,ESRD患者E/A、二、三尖瓣环Sm、Em、Em/Am均减低(P<0.05);左室ICT、IRT延长,ET缩短;右室ICT、IRT无明显改变,ET缩短;左、右室Tei指数增大(P<0.05)。结论ESRD患者左、右室功能受损;左室EF正常的ESRD患者收缩功能亦受损;Tei指数检测心功能较EF敏感。Tei指数能综合评价心室功能。
作者 陆一松 杨胜园
机构地区 南华大学附属南华医院超声科 南华大学公共卫生学院
出处 《广东医学》 CAS CSCD 北大核心 2009年第11期1660-1662,共3页 Guangdong Medical Journal
关键词 组织速度成像 终末期肾病 心室功能 TEI指数
分类号 R654.2 [医药卫生—外科学] R714.5 [医药卫生—妇产科学]
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参考文献8

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二级参考文献32

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共引文献27

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二级引证文献7

广东医学
2009年 第11期

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