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一个基于惯性的可穿戴系统,用于在睡眠期间监测生命体征
Spyridon Kontaxis1, Foivos Kanellos1,2, Adamantios Ntanis1
1PD Neurotechnology Ltd., 45500 Ioannina, Greece.
Sensors (Basel, Switzerland)
|July 13, 2024
概括
这项研究表明,使用惯性测量单元 (IMU) 的可穿戴系统可以在睡眠期间准确监测呼吸率 (RR) 和心率 (HR) 等生命体征,即使是睡眠呼吸障碍 (SDB) 患者. 腰部穿戴的IMU实现了高相关性和低误差,改善了睡眠质量洞察力.
科学领域:
- 生物医学工程 生物医学工程
- 睡眠医学 睡眠医学
- 可穿戴技术可穿戴技术
背景情况:
- 睡眠呼吸障碍 (SDB) 影响睡眠质量和心血管健康.
- 在睡眠期间精确监测生命体征对于诊断和管理SDB至关重要.
- 目前的监测方法,如多睡眠学 (PSG) 可能是繁的,并限制自然睡眠.
研究的目的:
- 评估一种新型可穿戴系统的可行性,用于在睡眠期间监测生命体征.
- 评估使用惯性测量单位 (IMU) 估计呼吸率 (RR) 和心率 (HR) 的准确性.
- 为了研究系统在不同SDB严重程度的个体中的性能.
主要方法:
- 一个带有五个IMU的可穿戴系统在睡眠研究期间在23名参与者身上开发和测试.
- 使用IMU系统和PSG同时监测生命体征 (RR,HR).
- 使用一种新的框架来处理IMU数据以进行生命体征估计.
主要成果:
- 一个单一的腰部穿戴的IMU实现了与PSG衍生的RR和HR的高相关性 (>0.95).
- 观察到低平均绝对误差:RR约0.66次呼吸/分钟,HR约1.32次/分钟.
- 数据可用性很高 (98.3%的RR,HR的78.3%),通过合并来自多个IMU的数据来进行HR估计而得到改善.
结论:
- 拟议的可穿戴IMU系统是监测睡眠期间生命体征的可行和准确方法.
- 这项技术可以为睡眠质量提供宝贵的见解,特别是在SDB患者身上.
- 该系统为传统的睡眠监测方法提供了一个不那么侵入性的替代方案.
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