过大尺寸的跨导管大动脉:我们做得对吗?
Takuya Ogami1, Abbad Sultan2, Xander Jacquemyn2
1UPMC Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
The American journal of cardiology
|March 4, 2026
概括
在跨导管大动脉置换 (TAVR) 中,最佳的门尺寸是至关重要的. 大动脉的适度过大 (10-20%) 与降低死亡率有关,而不会增加早期并发症.
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:
- 最佳的门尺寸对于成功的跨导管大动脉置换 (TAVR) 是至关重要的.
- 过大尺寸的透管心脏门会影响患者的治疗结果和程序的成功.
研究的目的:
- 评估跨导管大动脉过大小不同程度与TAVR后患者结果之间的关联.
- 为了确定中度超大小 (10-20%) 是否与死亡率或并发症的改善有关.
主要方法:
- 从2010年至2025年接受TAVR的1808名患者的回顾性分析.
- 患者被分为最小 (<10%),中度 (10-20%) 和严重 (≥20%) 的超大小组.
- 用于评估结果的多变量分析,包括全因死亡率和早期并发症.
主要成果:
- 在超大小的组中,早期结果 (例如,中风,心脏起器植入) 没有显著差异.
- 适度的超大小 (10-20%) 独立地与较低的全因死亡率相关 (HR=0.63;p=0.02).
- 严重的超大尺寸 (≥20%) 与最小的超大尺寸相比,所有原因的死亡率没有显著差异.
结论:
- 通过导管的大动脉的中度超大小范围为10-20%,与所有原因死亡率的降低有关.
- 这种适度的超大尺寸范围并没有增加早期的手术并发症或准膜泄漏.
- 研究结果表明,TAVR中适度超大小的潜在益处是长期存活.
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