通过跨胸部3D高脉冲重复频率和多普勒回声心脏学对膜吐的量化
Erik Andreas Rye Berg1,2, Stefano Fiorentini1, Jørgen Avdal1
1Department of Circulation and Medical Imaging, Faculty of Medicine and Health Science, Norwegian University of Science and Technology (NTNU), Prinsesse Kristinas gate 3, Trondheim 7030, Norway.
European heart journal. Imaging methods and practice
|January 3, 2025
概括
3D高脉冲重复频率多普勒 (HPRFD) 方法显示,估计吐体积的可行性很低,特别是在严重的病例中. 这种技术尚未在临床上准备好评估膜反.
科学领域:
- 心血管成像 - 心血管成像
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 医疗技术 医疗技术 医学技术
背景情况:
- 精确量化膜反对于患者管理至关重要.
- 胸外心声学 (TTE) 是膜心脏病的主要成像方法.
- 3D高脉冲重复频率多普勒 (3D HPRFD) 方法是为了改善吐体积 (RVol) 估计而开发的.
研究的目的:
- 评估用于RVol估计的3D HPRFD方法的临床可行性.
- 评估3D HPRFD RVol估计值与2D近距离等速表面积 (PISA) 方法和心磁共振 (CMR) 方法之间的相关性.
- 为了研究3D HPRFD在患有大动脉吐 (AR) 和心肌吐 (MR) 的患者的表现.
主要方法:
- 一项研究包括45名AR患者和45名MR患者.
- 评估了3D HPRFD的可行性,以及RVol估计.
- 来自3D HPRFD的RVol估计与2D PISA和CMR使用斯皮尔曼相关性进行了比较.
主要成果:
- 3D HPRFD的整体可行性在AR中为56%,在MR中为44%,在严重吐中降至25%.
- 在AR中,3D HPRFD RVol与PISA或CMR估计没有相关性.
- 在MR中,3D HPRFD RVol与PISA相关 (rho=0.72),但与CMR没有相关 (rho=0.31).
结论:
- 3D HPRFD显示RVol估计的可行性较低,特别是在严重的膜反中.
- 该方法与AR中的PISA和CMR等既定技术的相关性很差.
- 目前的局限性表明,3D HPRFD还不适合在膜反评估中的常规临床应用.
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