从可穿戴无线电频率传感器中提取状静脉脉冲波形
Thomas B Conroy1, Jianlin Zhou1, Edwin C Kan1
1School of Electrical and Computer Engineering at Cornell University, Ithaca, NY 14850 USA.
概括
一个新的可穿戴无线电频率传感器非侵入性地测量状静脉脉冲 (JVP),为在临床环境之外持续监测心脏健康提供了一个有前途的工具.
科学领域:
- 生物医学工程 生物医学工程
- 心血管生理学心血管生理学
- 可穿戴技术可穿戴技术
背景情况:
- 状静脉脉冲 (JVP) 是右心功能的一个关键指标,但其临床使用受到繁的传感方法的限制.
- 非侵入性心脏监测对于持续和家庭健康跟踪越来越重要.
- 现有的JVP评估方法缺乏可移植性和易用性.
研究的目的:
- 开发和验证一种新的可穿戴近场射频 (RF) 传感器,用于非侵入性关静脉脉冲 (JVP) 传感.
- 评估传感器在不同姿势中捕获可重复的JVP波形特征的能力.
- 通过JVP分析评估传感器监测心脏疾病的潜力.
主要方法:
- 设计了一个可穿戴的近场射频传感器,并安装在位于内静脉上的项圈上.
- 复杂的矢量注入信号处理被用来提取JVP波形特征.
- 研究人员对21名受试者进行了一项人类研究,将传感器数据与心电图 (ECG) 和心电图 (PCG) 进行同步.
主要成果:
- 拟议的射频传感器成功捕获了可重复的JVP波形特征,包括a,c和v波,并保持一致的时间.
- 在多种姿势中表现出形态一致的JVP感知.
- 该系统量化了与不同姿势相关的形态JVP变化,表明心脏病状况.
结论:
- 开发的近场射频传感器可以实现非侵入性和持续的JVP监控.
- 这项技术有可能在临床和门诊环境中增强心脏疾病传感.
- 可穿戴式传感器为家庭和远程心脏健康评估提供了一个实用的解决方案.
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