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相关概念视频

Node Analysis for AC Circuits01:14

Node Analysis for AC Circuits

293
Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
293

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使用循环阵列脉冲场废弃导管优化能源输送的方法和技术.

Stavros Mountantonakis1, Nicholas Beccarino1, Mark Abrams1

  • 1Northwell Cardiovascular Institute, Center for Arrhythmias, New Hyde Park, New York; Department of Cardiology, Division of Electrophysiology, Lenox Hill Hospital, New York, New York.

Heart rhythm
|October 25, 2024
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概括

脉冲场切除 (PFA) 为心脏切除提供了一个更安全的替代方案,只针对心脏细胞. 这项研究分享了现实世界的经验,以优化PFA程序以获得更好的患者结果.

关键词:
废弃的战略 废弃的战略心房动是一种心房动.内心心电回声心脏成像 在心内心电回声心脏成像损伤优化 损伤优化脉冲场消去是脉冲场消去的一种方法.

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科学领域:

  • 心血管医学 心血管医学
  • 电力生理学 电力生理学
  • 医疗器械 医疗器械

背景情况:

  • 脉冲场切除 (PFA) 使用电场来诱导心肌细胞死亡,比热方法提供组织选择性.
  • PFA减少了对食道和神经等邻近结构的附带损伤的风险.
  • 目前的PFA系统缺乏接触力传感,并且没有建立用于创建持久病变的最佳工作流.

研究的目的:

  • 通过PulseSelect PFA系统呈现现实世界的临床经验.
  • 提出整合成像方式的技术,以提高PFA程序的有效性.
  • 建立最佳实践,以实现PFA的最佳和可预测的病变传递.

主要方法:

  • 在多个国际中心对PFA程序的回顾性分析.
  • 光学,电解剖学绘图和心内心声谱的整合.
  • 开发程序技术,以优化病变的形成和可预测性.

主要成果:

  • 分析了来自美国,欧洲和日本的现实世界数据.
  • 成功地应用了结合成像指导的技术.
  • 拟议的方法旨在改善PFA中的病变传递和程序可预测性.

结论:

  • PFA是一种有前途的心房移除方法,具有更好的安全性.
  • 整合成像和绘图技术对于优化PFA程序至关重要.
  • 需要标准化的工作流程和最佳实践来最大限度地提高PFA的有效性和安全性.