评价领先的智能手表用于检测低氧化症:与参考氧计的比较
Simon Walzel1, Radek Mikus1, Veronika Rafl-Huttova1
1Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, 272 01 Kladno, Czech Republic.
Sensors (Basel, Switzerland)
|November 25, 2023
概括
智能手表可以可靠地检测低氧 (低血氧) 即使低于90%的SPO2. 与其他型号相比,Apple Watch 8在检测低血氧水平方面表现出最高的准确性和可靠性.
科学领域:
- 生物医学工程 生物医学工程
- 可穿戴技术可穿戴技术
- 医疗设备的准确性 医疗设备的准确性
背景情况:
- 智能手表越来越多地用于健康监测,但它们在检测低氧化症 (低血氧和 - SpO2) 的准确性需要验证.
- 像COPD,睡眠呼吸暂停,COVID-19和高海拔活动等疾病可能导致低氧化,传统脉冲氧计可能不切实际.
- 实验验证对于评估智能手表SPO2测量精度与临床标准相比至关重要.
研究的目的:
- 为了实验性地比较流行智能手表的SpO2测量精度与临床级脉冲氧计.
- 根据ISO 80601-2-61标准,根据诱导的低血压条件评估智能手表的性能.
- 为了确定智能手表在不同场景中检测低血的可靠性.
主要方法:
- 18名健康参与者接受了三个随机的实验评估,他们穿着Apple Watch 8,Samsung Galaxy Watch 5或Withings ScanWatch.
- 在诱导低氧症 (14%,12%,10%氧气吸入) 期间,将SpO2精度与Masimo Radical-7参考设备进行了比较.
- 数据分析的重点是平均偏差,根-平均平方偏差和皮尔森相关系数.
主要成果:
- 这三个智能手表型号都符合ISO 80601-2-61标准,最大可接受的平方根平均偏差为≤4%.
- 性能在正常氧气水平和诱导脱度下降到SpO2 <90%之间是一致的.
- 果手表8表现出最高可靠性,显示最低的平均偏差和根-平均平方偏差,以及与参考设备的最高相关性.
结论:
- 众所周知的智能手表,包括Apple Watch 8,三星Galaxy Watch 5和Withings ScanWatch,可以准确地检测低血.
- 这些设备符合SpO2监测的临床准确性标准,即使在90%以下的水平.
- 智能手表在标准脉冲氧计无法实现时,为低血检测提供了可靠的替代方案,Apple Watch 8表现出卓越的性能.
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