基于设备着陆区化和自扩张TAVR后对膜回的甲状腺环形外围的双参数风险分层
Jun Shu1, Didi Wen1, Jingji Xu1
1Department of Radiology, Xijing Hospital, Fourth Military Medical University, Changle West Road No. 127, Xi'an City, Shaanxi Province 710032, China.
European journal of radiology open
|January 1, 2026
概括
使用设备着陆区化和大动脉环形周围的新双参数模型,在自我扩张的跨导管大动脉置换 (SE-TAVR) 后,改善了对膜回 (PVR) 的风险分层. 这个模型有助于个性化的门选择.
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
- 生物医学工程 生物医学工程
背景情况:
- 准膜反 (PVR) 是通过导管的大动脉置换 (TAVR) 后的一种并发症.
- 预测PVR风险对于患者选择和自我扩展TAVR (SE-TAVR) 的程序成功至关重要.
研究的目的:
- 在SE-TAVR之后,确定PVR的独立预测因素.
- 在SE-TAVR之后开发和验证PVR的双参数风险分层模型.
主要方法:
- 对接受SE-TAVR的292名患者的回顾性分析.
- 多变量逻辑回归用于识别PVR预测器.
- 接收器运行特征 (ROC) 曲线分析,以确定风险分层的最佳门.
主要成果:
- 轻度/中度PVR发生在24.0%的患者中.
- 独立的PVR预测因素包括大动脉环形外围,设备着陆区形体积和密封的存在.
- 双参数模型 (状体积≥1240 mm3和环状周长≥77 mm) 将患者分为低 (8.4%),中等 (23.7%) 和高 (48.7%) PVR风险组,显示出显著的歧视性表现 (AUC=0.779).
结论:
- 一个结合设备着陆区化和大动脉环状周围的双参数模型有效地分层了SE-TAVR后的PVR风险.
- 该模型提供了一个临床上有价值的工具,用于程序前风险评估和指导在SE-TAVR程序中个性化门选择.
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