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三度房室传导阻滞患者右室主/被动电极导线起搏的临床观察 被引量:4

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摘要 目的观察不同电极(主动/被动)导线对三度房室传导阻滞患者的心脏功能、QRS波宽度、起搏参数的影响。方法将80例三度房室传导阻滞患者随机分两组,一组患者行主动电极导线右室间隔(RVS)起搏,一组行被动电极导线右室心尖部(RVA)起搏。分析两组心功能左室大小、左室射血分数(LVEF)、QRS波宽度、起搏参数变化。结果右室间隔起搏较心尖部起搏阈值、电极阻抗在术后1周及术后3月下降(P<0.05),感知差异无统计学意义(P>0.05);QRS波宽度RVS、RVA分别为(130±20)ms、(160±30)ms,差异有统计学意义(P<0.05);心脏超声左室大小及LVEF术后3月两组无统计学意义(P>0.05);但术后1年随访RVS及RVA组分别为:左室大小(47.30±1.97)mm及(49.01±2.40)mm,差异有统计学意义(P<0.05);LVEF值(62.70±2.15)%,及(59.46±3.39)%,差异有统计学意义(P<0.05)。结论对于起搏完全依赖患者,右室间隔部起搏的双室同步性优于右室心尖部起搏,且1年随访对心功能影响也较后者小。
出处 《中西医结合心脑血管病杂志》 2015年第1期89-91,共3页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
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参考文献9

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二级参考文献12

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