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右室心尖部与右室流出道间隔部起搏对心室间电机械同步性的比较 被引量:3

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摘要 选择行射频消融术患者30例,术后分别将标测电极置于左室后侧壁(LVPLW)及右室前侧壁(RVALW),大头消融电极依次放置于右室心尖部(RVA)和右室流出道间隔部(RVS)。结果:RVA起搏时,至LVPLW及至RVALW的传导时间差,主动脉射血前间期(APEI)与肺动脉射血前间期(PPE I)差值,绝对值均显著大于RVS起搏(P<0.01)。心室起搏后,LVPLW-RVALW差值变化与APE I-PPEI绝对值增加呈正相关(r=0.993,P<0.001)。结论:与RVA起搏相比,RVS起搏心室间电激动与机械收缩更同步。
出处 《中国心脏起搏与心电生理杂志》 北大核心 2010年第5期458-458,共1页 Chinese Journal of Cardiac Pacing and Electrophysiology
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