低能耗除使用基顶心上电极
Jun-Ichi Okada1,2, Takumi Washio1,2, Seiryo Sugiura1
1UT-Heart Inc., Setagaya-ku, Tokyo, Japan.
Pacing and clinical electrophysiology : PACE
|October 13, 2023
概括
植入式心脏转换器除器 (ICD) 的新型板状电极显示出低能除的潜力. 最佳的电极放置和冲击传递显著降低了除门 (DFT).
科学领域:
- 生物医学工程 生物医学工程
- 心血管器械 心血管器械
- 电力生理学 电力生理学
背景情况:
- 目前的植入式心脏逆转器除器 (ICD) 使用高能量冲击,可能会损害心脏功能.
- 需要ICD,以较低的能量提供有效的除,以尽量减少风险.
研究的目的:
- 为了研究表状电极用于表心应用,以降低除门 (DFT).
- 为了确定最佳的电极配置和冲击参数,用于低能耗除.
主要方法:
- 模拟的心脏模型被用来测试三个电极配置 (上下,左右,前后).
- 分析了电极清晰度,冲击波形状,方向和绝缘体效应,以确定最低的DFT.
主要成果:
- 确定了一个最佳的电极清除;太小或太大的清除增加了DFT.
- 顶底电极配置具有最佳的清除和特定的两相冲击传递产生了最低的DFT.
- 绝缘电极通过防止不必要的电流损失来减少DFT.
结论:
- 板状电极显示出无痛,低能耗除的前景.
- 优化电极设计和冲击传递对于有效的ICD性能至关重要.
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