管管式心脏起器植入器的柔道方法 - - 对于小心脏来说更好的接入?
Kyoko Soejima1, Kathryn Hilpisch2, Megan L Samec2
1Department of Cardiology, Kyorin University Hospital.
概括
在较小的心脏中,Micra无心脏起器植入物可能具有挑战性. 使用部方法可以改善穿过三管的导航,这可能会在这些患者中缓解植入.
科学领域:
- 心脏病学 心脏病学
- 医疗器械 医疗器械
- 生物医学工程 生物医学工程
背景情况:
- 与历史对照相比,Micra无心脏起器减少了48%的并发症.
- 目前的标签限制了Micra植入到大腿部的方法.
- 在较小的患者中,植入可能是困难的.
研究的目的:
- 为了证明为什么Micra植入在小患者中可能很困难.
- 展示关方法如何可以减少这些困难.
主要方法:
- 利用了人类心脏的3维计算机模型.
- 分析了45名心脏起器患者 (26名美国,19名日本) 的心脏计算机断层扫描.
- 患者队伍和Micra输送工具之间的心脏尺寸比较.
主要成果:
- 与美国队列相比,日本队列中的心脏显著较小.
- 在更大比例的日本患者中,Micra输送工具超过了心脏尺寸.
- 确定了三个关键的心脏尺寸,限制了小心脏中的三管导航.
结论:
- 关方法可以提高Micra在小心脏中植入的轻松性.
- 这种方法减少了穿过三角的导航的曲折性.
- 虽然股骨方法是安全的,关方法为特定患者的解剖学提供了潜在的好处.
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