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使用新的专用临床超声系统进行心脏二维剪切波成像:一个幻影研究

Eric Saloux¹, Morgane Le Garrec², Nina Menet³

¹Centre Hospitalier, Universitaire de Caen Normandie, Caen, France; UR 4650 PSIR, Université de Caen Normandie, Caen, France.

Ultrasound in medicine & biology

|March 12, 2024

概括

新的MACH 30超声波系统与心脏探针提供精确的心脏剪切波成像. 在4至10厘米深度之间观察到度测量的最佳性能.

科学领域:

医疗成像医学成像
超声波技术超声波技术超声波技术
生物医学工程生物医学工程

背景情况:

剪波弹性图 (SWE) 是一种非侵入性的超声波技术,用于评估组织硬度.
准确的硬度测量对于诊断和监测各种心脏疾病至关重要.
评估新的超声波系统和探针对于推进诊断能力至关重要.

研究的目的:

评估MACH 30超声波系统用于心脏剪切波成像的性能.
将刚度测量的准确性和均性与以前的系统 (Aixplorer) 进行比较.
评估不同探头 (线性和分相阵列) 和测量位置对准确度的影响.

主要方法:

使用Elasticity QA幻影的MACH 30和Aixplorer系统的比较.
使用平均百分比误差 (MPE) 评估刚度测量的准确性.
量子量子地图和MPE的标准偏差被用于评估分配协议和均性.

主要成果:

对于线性探针,MACH 30和Aixplorer系统的准确性与线性探针相似 (MPE 8 ± 14%对比 20 ± 21%).
在4-10厘米深度 (MPE 29.5 ± 25%) 实现了最佳的胸前心脏探针性能.
在最佳深度范围之外或低于20kPa的测量结果显示与参考值有显著差异.

结论:

带有部门探针和心脏设置的MACH 30系统提供了均的硬度测量.
对心脏剪切波成像的最佳性能是在4至10厘米的深度实现的.
这些幻影发现支持未来体内心脏研究的设计.

关键词:

心脏二维切尔波弹性图形 2D切尔波弹性图形幻影幻影是一个幻影.超声波超声波是指超声波的使用.

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