单元超声波系统用于高分辨率的关静脉脉冲轮检测
Navya Rose George1, P M Nabeel2,3, Kiran V Raj2,3
1Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India. navya_george@smail.iitm.ac.in.
Scientific reports
|April 22, 2025
概括
一个新的便携式超声波系统准确地测量状静脉脉冲 (JVP) 波形. 这项技术提供了一种非侵入性方法,用于评估右心房血动力学和检测心血管问题.
科学领域:
- 生物医学工程 生物医学工程
- 心血管诊断心血管诊断服务
- 医学超声波 医学超声波
背景情况:
- 状静脉脉冲 (JVP) 波形轮反映了右心房血动力学,这对于诊断心血管疾病至关重要.
- 目前的方法,如中央静脉导管,是侵入性的,仅限于重症监护.
- 用于JVP分析的传统超声波系统在率,可移植性和操作员依赖性方面存在局限性.
研究的目的:
- 开发和验证一个便携式单元超声系统,用于可靠的JVP波形采集和轮特征量化.
- 评估系统的性能与参考超声波成像系统对比.
主要方法:
- 开发了一种可携带的单元超声波系统,以250Hz运行.
- 该系统与65名无症状志愿者的参考超声波系统进行了验证.
- 设计了用于JVP周期分割和轮特征分析的算法.
主要成果:
- 该系统实现了JVP波形捕获的4ms的时间分辨率.
- 状静脉直径测量显示与参考值有很强的相关性 (r=0.93为最大,r=0.86为最小,p<0.001).
- JVP的轮分析算法显示了92%的灵敏度和特异性.
结论:
- 开发的便携式超声波系统可实现高保真性JVP波形采集和脉冲轮评估.
- 这项技术有可能用于对右心房血液动力学的非侵入性评估.
- 它可能有助于早期检测和监测血管异常.
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