通过透气管的大动脉替换后,使用透气三角形和视频密度计进行对膜吐的周期性评估
Maxim J P Rooijakkers1, Ahmed Elkoumy2,3, Niels A Stens1,4
1Department of Cardiology Radboud University Medical Center Nijmegen The Netherlands.
Journal of the American Heart Association
|September 13, 2024
概括
结合血液动力学指数透气三角形 (DD) 和视频密度计,可以改善在透气管大动脉置换后对膜反 (PVR) 的预测. 这种协同方法提高了确定显著PVR的准确性,有助于临床决策.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 医疗成像医学成像
背景情况:
- 准膜反 (PVR) 是通过导管的大动脉置换 (TAVR) 后的一个常见并发症.
- 准确的PVR程序内评估至关重要,但具有挑战性.
- 现有的方法包括血液动力学指数和视频密度计.
研究的目的:
- 为了比较透析三角值 (DD) 和视频密度计 (LVOT-AR) 的预测值,用于相关的TAVR后PVR.
- 评估DD和LVOT-AR的联合预测性能.
主要方法:
- 一项前性队列研究,涉及51名接受TAVR的患者.
- 使用DD和视频密度计 (LVOT-AR) 进行PVR的周期程序评估.
- 心脏MRI作为PVR量化的参考标准 (吐分数>20%,定义为相关PVR).
主要成果:
- 无论是DD还是LVOT-AR,在预测相关PVR (AUC分别为0.82和0.80) 中都表现出可比的准确性.
- 结合DD和LVOT-AR显著改善了PVR预测 (AUC为0.90).
- 与单个方法相比,联合使用将一致性提高到86.3%,积极预测值提高到75%.
结论:
- 透析三角形和视频密度计对于在TAVR后的手术内PVR评估是准确的和可行的.
- 对DD和视频密度计的协同应用增强了相关PVR的预测.
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