在低风险的TAVR患者中,自膨胀和气球膨胀门
Sukhdeep Bhogal1, Ron Waksman1, Corey Shea1
1Section of Interventional Cardiology, MedStar Washington Hospital Center, Washington DC, United States of America.
International journal of cardiology
|October 13, 2023
概括
在接受过导管大动脉置换 (TAVR) 的低风险患者中,与气球可扩展 (BE) 相比,自我扩展 (SE) 显示出改善的血液动力学和减少的叶片血栓形成. 然而,SE门与30天后更高的中风和心脏起器植入率有关.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 医疗器械 医疗器械
背景情况:
- 现在,透气管大动脉置换 (TAVR) 指示包括手术风险较低的患者.
- 在这个群体中,只有有限的数据可以比较自扩展式 (SE) 和气球扩展式 (BE) TAVR门.
研究的目的:
- 在低风险患者中比较SE和BE TAVR门的临床结果和血液动力学性能.
主要方法:
- 来自LRT 1.0和2.0试验的综合数据的后期分析.
- 在SE和BE门组之间比较30天的临床结果,准膜泄漏,大动脉膜区域,平均梯度和亚临床小册子血栓症.
主要成果:
- 在SE组中观察到较高的中风率 (4.9%对比0.7%) 和永久心脏起器植入 (17.8%对比5.8%).
- SE门表现出更好的血液动力学,有更大的大动脉门面积和更低的平均梯度.
- 在SE队列中,亚临床传单血栓发生率明显较低 (5.6%对13.8%).
结论:
- 在低风险患者中,SE TAVR门可以改善血液动力学和减少叶片血栓形成.
- 增加的中风和带SE门的起器植入率需要进一步调查患者依赖因素.
- 结构门的长期耐用性需要进一步研究.
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