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RCC起源的VAs患者在RVOT和RCC标测时具有特征性电位及射频消融效果观察

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摘要 目的分析VAs患者(RCC起源)在接受RVOT与RCC标测时所具有的特征性电位,并分析对应点射频消融后的效果。方法选择郑州人民医院2017年2月-2019年2月收治的68例接受电生理检查+射频消融患者,对于患者进行RVOT和RCC标测,分析VAs临床表现、RVOT标测及消融效果、RCC标测特征及消融效果、RCC心内电图分析四项数据。结果 VAs患者在Ⅱ导联、Ⅲ导联、avF导联R波直立图像特征明显;46例VAs患者接受起搏标测,40例VAs患者的RVOT EAS起搏心电图与自发VAS有着较为明显的图形区别;59例患者RCC射频消融治疗成功,成功率为86.76%,48例患者消融成功于RCC的上缘位置,11例在瓣下消融成功,消融放电次数可以达到3~8次;QRS波平均落后PⅠ位时开始于(31±13.2)ms。成功靶点PⅠ位比非成功靶点PⅡ位振幅高。结论 RCC起源VAs有着较为明显的电位特征,在RVOT EAS处进行放电消融能够产生一过性治疗效果。治疗时,可以利用RCC成功消融位置、P1振幅与领先度辅助治疗开展。
作者 缪丹丹
出处 《临床研究》 2020年第6期59-61,共3页 Clinical Research
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