使用可穿戴设备发出的声信号对呼吸速率估计的临床验证.
Rawan S Abdulsadig1, Nikesh Devani2, Sukhpreet Singh1
1Wearable Technologies Lab, Department of Electrical and Electronic Engineering, Imperial College London, London SW7 2BT, UK.
Journal of clinical medicine
|December 17, 2024
概括
该AcuPebble RE100设备精确测量呼吸速率 (RR),一个关键的呼吸指标,优于目前的方法. 这种经过验证的技术适用于对呼吸频率进行可靠的夜间监测.
科学领域:
- 医疗器械 医疗器械
- 呼吸系统生理学 呼吸系统生理学
- 临床监测 临床监测
背景情况:
- 呼吸速率 (RR) 是临床评估的一个关键指标.
- 目前用于RR测量的方法,包括风图和手动计数,存在重大局限性.
- 准确可靠的RR监测对于有效的患者评估至关重要.
研究的目的:
- 为了验证AcuPebble RE100设备的自动呼吸速率测量能力.
- 为了比较AcuPebble RE100的RR测量与黄金标准的图和心肺透气测谎系统.
- 评估AcuPebble RE100适用于夜间呼吸速率监测的适用性.
主要方法:
- 一项前性研究涉及到从AcuPebble RE100和健康志愿者的图系统同时收集数据.
- 一项回顾性研究利用了先前一项研究的数据,将AcuPebble SA100与阻塞性睡眠呼吸暂停患者的心肺呼吸学多字影像系统进行比较.
- 数据分析的重点是根平均平方偏差 (RMSD),平均误差和RR测量的标准偏差.
主要成果:
- 在前性和后性研究中,AcuPebble RE100算法证明了准确的RR测量.
- 对RR测量的RMSD始终在每分钟三次呼吸 (BPM) 以下.
- 在前性研究中,平均误差为1.83 BPM,在后性研究中为1.4 BPM,相当于临床相关性.
结论:
- 该AcuPebble RE100设备提供可靠的呼吸率测量.
- 该设备的算法适合在一夜之间精确监测呼吸速率.
- 与黄金标准系统的验证支持AcuPebble RE100的临床实用性.
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