最新一代气球可扩展和自扩展的跨导管心脏门之间的门性能在小大动脉环中
Hirofumi Hioki1, Masanori Yamamoto2, Shinichi Shirai3
1Department of Cardiology, IMS Tokyo Katsushika General Hospital, Tokyo, Japan.
JACC. Cardiovascular interventions
|November 27, 2024
概括
在小型大动脉环膜 (SAA) 的跨导管大动脉置换 (TAVR) 中,自扩展 (SEV) 显示出比气球扩展 (BEV) 更好的血液动力学效果. 然而,BEV植入导致较少的副膜泄漏和更少的起器植入物.
科学领域:
- 心血管医学 心血管医学
- 干预心脏病学 干预心脏病学
- 医疗器械 医疗器械
背景情况:
- 过导管大动脉置换 (TAVR) 是大动脉狭窄的关键治疗方法.
- 自扩展门 (SEV) 可能在患有小主动脉环 (SAA) 的患者中比气球扩展门 (BEV) 提供血液动力学优势.
研究的目的:
- 在SAA的TAVR中比较最新一代BEV和SEV的血液动力学性能和临床结果.
- 评估门设计对假肢-患者不匹配,压力梯度,准膜泄漏和心脏起器植入率的影响.
主要方法:
- 针对SAA进行TAVR的1227名患者的回顾性分析 (环面积≤430毫米2).
- 在SAPIEN3 Ultra RESILIA (BEV) 和Evolut FX (SEV) 门植入器之间进行比较.
- 后勤回归和倾向得分分析,以评估结果,包括严重的假肢-患者不匹配,平均压力梯度,准膜泄漏 (PVL) 和永久心脏起器植入 (PMI).
主要成果:
- 与SEV相比,BEV植入与严重的假肢患者不匹配率和平均压力梯度 (≥20 mm Hg) 的更高率有关.
- 在BEV中,轻度或重度膜外泄 (PVL) 和新的永久心脏起器植入 (PMI) 的发生率明显降低.
- 设备成功率在BEV和SEV之间是可比的,这得到了倾向性评分分析的证实.
结论:
- 对于SAA中的TAVR,与最新的BEV相比,SEV提供了优越的血液动力学结果.
- 与SEV相比,最新的BEV与PVL和新PMI的降低率有关.
- 对于SAA,TAVR中的门选择涉及平衡血液动力学性能与PVL和PMI的风险.
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