经房间隔途径成功消融儿童His束旁房性心动过速一例
Chinese Journal of Cardiac Pacing and Electrophysiology（2023）
Abstract
6 岁半女童,诊断无休止性房性心动过速(简称房速),抗心律失常药物治疗效果欠佳.激动标测显示 His 束旁房速,右侧 His 束旁区域低功率短时程试消融无效,主动脉逆行途径进行主动脉窦标测,在左冠窦内房速最早激动点较右侧 His 束区域提前但消融依然无效,主瓣下标测发现二尖瓣环区域最早激动点较前两处更加提前,遂穿刺房间隔,在二尖瓣环心房侧 10 点附近标测到最早激动点提前冠状窦口 A波约 31.3 ms,消融 1.2s房速即终止.
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