组织多普勒技术评价双心室同步起搏即刻疗效

被引：23

作者：

史浩颖

潘翠珍

舒先红

汪芳

金炜

张建军

陈岗

孙宝贵

机构：

[1] 上海交通大学附属第一人民医院心内科

[2] 复旦大学上海医学院附属中山医院心脏超声室

来源：

中华心血管病杂志 | 2005年 / 01期

关键词：

超声心动描记术,多普勒; 心脏起搏,人工; 心力衰竭,充血性;

D O I：

暂无

中图分类号：

R541.6 [血液循环衰竭];

学科分类号：

1002 ; 100201 ;

摘要：

目的　运用多普勒组织速度显像、组织同步显像 (TSI)和组织追踪显像评价双心室同步起搏治疗慢性心力衰竭的即刻疗效。方法　选择双心室同步起搏治疗的慢性心力衰竭患者 10例 ,分别记录起搏器开放和关闭时的上述三种显像 ,计算左室射血分数、左室纵向延迟收缩的比例、QRS距左室各节段收缩、舒张早期峰值时间的标准差 (Ts SD、Td SD)、二尖瓣环平均收缩峰值 (LV Sm)、右室游离壁基底段收缩峰值 (RV Sm) ,并根据组织同步显像图的色彩计算TSI指数。比较每位患者起搏器启闭时各参数变化 ,并比较Ts SD与TSI指数变化的相关性。结果　左心收缩功能参数 :左室射血分数由起搏关闭时 (37± 11 3) %增高至 (46± 10 1) % (P <0 0 1) ,LV Sm由 (3 16± 0 87)cm/s增高至 (3 76± 0 74 )cm/s (P <0 0 5 )。右室收缩功能参数 :RV Sm由 (6 79± 1 78)cm/s增高至(7 75± 1 92 )cm/s (P <0 0 1)。左心室内机械不同步参数 :左室纵向延迟收缩比例由起搏器关闭时(35± 6 0 4 ) %降低至 (18 13± 9 97) % (P <0 0 1) ,Ts SD由 (83 97± 33 0 2 )ms降低至 (5 2 6 7±19 6 5 )ms ,P <0 0 5 ,Td SD由 (87 81± 2 2 34)ms降低至 (6 3 4 5± 31 4 9)ms,P <0 0 5 ,TSI指数由 2 11± 0 15降低至 1 6 0± 0 33(P <0 0

引用

页码：30 / 33

页数：4

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