在用自扩张的Evolut FX+系统替换过导管大动脉门后进行冠状动脉管:CANNULATE TAVR II研究
Rafey Feroze1, Marco Frazzetto1, Lakshmi Prasad Dasi2
1Division of Cardiology, Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.
Structural heart : the journal of the Heart Team
|September 2, 2025
概括
在CANNULATE TAVR II研究中发现,Evolut FX+门植入后的冠状动脉管在所有情况下都是成功的. 与上一代相比,较新的Evolut FX+平台显示出更快的右冠状动脉通道时间.
科学领域:
- 心血管医学
- 干预心脏病学
- 医疗设备技术
背景情况:
- 透气导管大动脉置换 (TAVR) 后的冠状动脉接入对于管理潜在的并发症至关重要.
- Evolut FX+ 门是一种新一代自扩张的 TAVR 装置,对冠状动脉进入有潜在影响.
- 上一代TAVR在随后的冠状动脉管道中提出了挑战.
研究的目的:
- 预期评估冠状动脉通道成功和植入自扩张的Evolut FX+ TAVR后的时间.
- 为了比较Evolut FX+和前一代Evolut FX TAVR平台之间的冠状动脉输出结果.
- 引入并利用一种新的几何分析来评估冠状动脉骨的空间关系.
主要方法:
- 用Evolut FX+进行TAVR的患者的前性评估 (CANNULATE TAVR II研究).
- 与使用Evolut FX治疗的患者的历史数据进行直接比较.
- 术前和术后CT成像的新型几何分析,以评估门孔径和冠状动脉骨对齐 (LCA-RCA角度,冠状动脉高度).
主要成果:
- 在使用Evolut FX+的情况下,冠状动脉通道成功实现了100%.
- 与Evolut FX平台相比,右冠状动脉通道的平均时间更快.
- 在TAVR后的CT分析显示,大约50%的冠状动脉在门口内没有对齐,但在没有程序修改的情况下保持了成功的通道.
结论:
- 在Evolut FX+ TAVR之后,冠状动脉通道是可行的和成功的,即使门的开口与冠状动脉骨不完全对齐.
- 与前一代相比,Evolut FX+平台可以提高冠状动脉管道的程序效率.
- 这项研究验证了现有的冠状动脉接入策略的有效性,不论TAVR后的冠状动脉门解剖如何.
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