通过节奏映射来识别心脏梗塞后的心室动脉冲动脉
Corinna B Brunckhorst1, Etienne Delacretaz, Kyoko Soejima
1Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass, USA. corinna.brunckhorst@usz.ch
Circulation
|August 4, 2004
概括
使用节奏映射在鼻节律期间识别心室高心率 (VT) 脉冲是可行的. 这种技术有助于划定静脉带峡的轨迹,并指导切除,以改善患者的治疗结果.
科学领域:
- 电子生理学 电子生理学
- 进行心脏映射.
- 节律失常的研究和研究.
背景情况:
- 静脉动脉阻塞 (VT) 脉对于心律失常的维持至关重要.
- 识别这些峡谷可能是具有挑战性的,特别是在鼻节奏期间.
- 在鼻腔节律期间的节奏映射是定位静脉脉动脉的潜在工具.
研究的目的:
- 为了确定VT脉是否可以通过在鼻腔节律期间的节奏映射来识别VT脉.
- 评估节奏映射的能力,以划定静脉脉峡的轨迹.
- 评估步伐映射用于指导VT的无线电频率切除的实用性.
主要方法:
- 左心室节奏映射在11名静脉动后心脏病发作的患者中进行.
- 卡托电解剖学测绘被用来重建步伐测绘数据.
- 通过引进或VT终止确定了地峡区域,并分析了步伐映射数据.
- 从地峡出口到不同距离的节奏映射被用来追踪地峡的轨迹.
主要成果:
- 节奏映射在所有13个研究的心脏病发作区域中确定了静脉脉峡的部分.
- 在大多数情况下,节奏映射产生了与VT相匹配的QRS形态.
- 通过节奏映射指导的射频除成功使VT在11名患者中的10名中变得不可诱导.
- 成功的切除部位始终位于步伐映射的峡谷内.
结论:
- 可以通过在鼻腔节律期间的节奏映射来识别静脉脉动脉峡,并划出它们的轨迹.
- 这种方法提供了一种有价值的策略,用于准废除部位.
- 在鼻节律期间的节奏映射可以帮助实现成功的静脉瘤切除.
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