超声波测量常见 Carotid 动脉壁脉动力学和纵向运动 - 方法验证和一个新参数比率
Artturi Petäjä1, Yuxiang Zhu2, Azin Khodaverdi3
1Department of Biomedical Engineering, Faculty of Engineering, Lund University, Lund, Sweden; Department of Clinical Sciences, Lund University, Lund, Sweden; Department of Specialized Surgery, Otorhinolaryngology, Helsingborg Hospital, Helsingborg, Sweden.
Ultrasound in medicine & biology
|December 25, 2024
概括
动脉壁的纵向运动 (LMov) 显示出良好的重复性和准确性,用于评估心血管疾病风险. 一个新的切口比率 (NR) 参数提高了分析的一致性,支持进一步的研究.
科学领域:
- 心血管成像和诊断系统
- 生物标志物发现发现
- 医学超声波技术 医学超声波技术
背景情况:
- 心血管疾病 (CVD) 是全球健康的重大负担.
- 可靠的生物标志物对于优化心血管疾病预防策略至关重要.
- 动脉壁的纵向运动 (LMov) 是心血管健康的潜在敏感生物标志物.
研究的目的:
- 评估LMov分析的观察者内部可重复性和观察者间精度,使用常见动脉 (CCA) 的超声波.
- 引入和评估一个新的参数比,切口比 (NR),以改进LMov分析.
- 为了验证ARTIC软件对LMov测量的有效性.
主要方法:
- 利用内部基于MATLAB的程序 (ARTIC) 来分析20名健康个体中CCA超声记录的CINE循环.
- 四名独立观察员测量了两维的血管壁位移.
- 进行反复测量,比较观察者内部的可重复性和观察者之间的观察者间的精度.
- 评估了新口比 (NR) 的一致性和变化减少.
主要成果:
- 大多数LMov参数表现出良好的重复性 (CV 10%-26%) 和优异的观察者间精度 (ICC > 0.9).
- 辐射和亲密介质厚度 (IMT) 的测量显示出出色的CV (1%-7%).
- 新型切口比 (NR) 改善了较晚心缩期的LMov分析,显示观察者之间的均值 (1.36-1.45) 和良好的CV (9%-20%).
结论:
- 使用ARTIC的LMov分析显示出良好的观察者内部重复性和卓越的观察者间精度.
- 划分比 (NR) 显示出一致的性能,增强了LMov分析.
- 这些发现支持进一步调查LMov作为CVD生物标志物在更大的人群中.
相关概念视频
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