在再入室腹腔动心中没有全球传播的终止:电生理学特征和3D-电解剖学映射分析
Yumi Katsume1, Kanae Hasegawa2, Sarawuth Limprasert3
1Department of Cardiovascular Medicine, Kyorin University School of Medicine, Tokyo, Japan.
JACC. Clinical electrophysiology
|September 19, 2024
概括
没有全球传播的终止 (TWGP) 节奏可以识别关键心室高心率 (VT) 重新进入电路脉. 这一发现有助于检测传统绘图方法所遗漏的VT基质.
科学领域:
- 心脏病学 心脏病学
- 电力生理学 电力生理学
- 医疗成像医学成像
背景情况:
- 没有全球传播的终止 (TWGP) 节奏可以表明心室动脉冲动 (VT) 中的关键再入电路脉.
- TWGP部位的电生理学和解剖学特征以及它们通过3D电解剖绘图 (3D-EAM) 与VT基底的关系尚不清楚.
研究的目的:
- 为了描述TWGP网站.
- 确定由3D-EAM识别的TWGP位点和VT基质之间的关系.
主要方法:
- 对632例痕相关静脉瘤导管切除病例的回顾性审查.
- 识别TWGP事件和分析节奏特征.
- 与3D-EAM数据和基板映射的相关性.
主要成果:
- 在10名患者中,TWGP发生在11个部位,通常在QRS之前或同步.
- 在6个实例中观察到没有QRS的局部捕获;5个地点显示了不同的QRS终止后节奏.
- TWGP地点位于密集的痕或异常低电压区域,与VT峡脉相一致. 在6个位点存在晚期电位或缓慢导电.
结论:
- TWGP可以作为标记物来识别VT重新进入电路的地峡.
- 这种方法可以检测常规电图或步伐绘图所遗漏的关键位置.
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