门类型之间的差异在手术上更换大动脉门后大动脉根的解剖变化
Ai Kawamura1, Kazuo Shimamura1, Daisuke Yoshioka1
1Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Osaka, Japan.
JTCVS techniques
|October 31, 2024
概括
手术性大动脉置换可以改变大动脉根的解剖结构,可能增加未来跨导管大动脉手术性大动脉程序的风险. 与接相比,快速部署/无接更好地保留了大动脉根结构.
科学领域:
- 心血管外科心血管外科
- 干预心脏病学 干预心脏病学
- 放射学 放射学是一门学科.
背景情况:
- 估计冠状动脉阻塞风险对于在初始外科动脉置换 (SAVR) 后的未来跨导管大动脉入外科动脉 (TAV-in-SAV) 程序至关重要.
- 了解SAVR后大动脉根的解剖变化对于规划二次干预至关重要.
研究的目的:
- 在SAVR之后调查大动脉根的解剖变化.
- 为了比较不同生物假体门类型 (合式与快速部署/无合式) 之间的这些变化.
- 评估对未来TAV-in-SAV可行性的影响.
主要方法:
- 在SAVR前后对124名大动脉狭窄患者的计算机断层扫描进行了回顾性分析.
- 在接和快速部署/无接门组之间对术后大动脉根尺寸和冠状动脉接入参数进行比较.
主要成果:
- 在两组中,SAVR导致冠状动脉高度和Valsalva (SOV) 鼻直径的降低,在接组中降低更大.
- 快速部署/无门组显示出大动脉根结构的更好保存和风险平面以上冠状动脉孔的更高比例.
- 门到冠状动脉和门到大动脉的距离通常是充足的,主要在左侧VTA中注意到差异.
结论:
- SAVR改变了大动脉根的解剖结构,特别是接门,可能会影响未来的SAV中的TAV.
- 快速部署/无门似乎可以在SAVR后更有效地保护大动脉根结构.
- 这些发现对于在初始SAVR之后评估TAV-in-SAV的可行性至关重要.
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