准确和连续的呼吸率使用无触摸监测技术
Paul S Addison1, Carolyn Cohen2, Ulf R Borg3
1Medtronic Patient Monitoring, Edinburgh, UK.
Respiratory medicine
|November 22, 2023
概括
一个新的深度感应摄像头系统可以在没有身体接触的情况下准确测量呼吸率. 这种非接触式监测技术显示出高精度,为持续的生命体征评估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
- 医疗器械 医疗器械
- 生理监测 生理监测
背景情况:
- 呼吸速率是检测急性健康问题的关键重要标志.
- 改变呼吸速率可能表明严重的疾病,如呼吸衰竭或心脏骤停.
- 持续和非接触式的呼吸率监测是临床上有价值的.
研究的目的:
- 为了评估深度传感摄像头系统测量呼吸速率的性能.
- 评估非接触式呼吸速率监测 (RRdepth) 的准确性和可靠性.
主要方法:
- 30名成年志愿者参与了这项研究.
- 呼吸速率在4-40次/分钟之间.
- 一个深度传感摄像头 (Intel D415 RealSense) 捕捉了干运动,并计算了RRdepth并与头像仪测量 (RRcap) 进行了比较.
主要成果:
- 该系统实现了0.77呼吸/分钟的整体根平均平方偏差 (RMSD) 精度.
- 在RRdepth和RRcap之间观察到高相关性 (R=0.997).
- 在包括自发呼吸在内的各种呼吸速率子范围中,精度保持在1.00呼吸/分钟以下.
结论:
- 一种原型深度感应摄像头系统展示了有效的无接触式呼吸率监测.
- 该系统在广泛的临床相关呼吸速率中提供准确的测量.
- 这项技术为持续的,无触摸的生命体征评估提供了一个有前途的方法.
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