在运动和低 perfusion 条件下对三个 SpO2 监控器的信号精度进行比较分析
Karen K Giuliano1, Robert N Bilkovski2, John Beard3
1Elaine Marieb Center for Nursing and Engineering Innovation, University of Massachusetts Amherst, Institute of Applied Life Sciences and Elaine Marieb College of Nursing, 240 Thatcher Road, Amherst, MA, 01003, USA. kkgiuliano96@gmail.com.
Journal of clinical monitoring and computing
|June 2, 2023
概括
这项研究比较了在模拟运动和低 perfusion 下的三个脉冲氧计设备. 所有设备都符合标准,但准确性随着运动和低 perfusion 降低而下降,品牌的影响各不相同.
科学领域:
- 生物医学工程 生物医学工程
- 医疗器械技术 医疗器械技术
- 临床监测 临床监测
背景情况:
- 脉冲氧计对于非侵入性氧和 (SpO2) 监测至关重要.
- 设备的准确性可能受到患者运动和低周围输液的挑战.
- 在这些条件下,领先的脉冲氧计的比较性能数据是必不可少的.
研究的目的:
- 为了评估和比较三种商业脉冲氧度仪器 (GE HealthCare CARESCAPE ONE TruSignal SpO2参数,Masimo RADICAL-7和Medtronic Nellcor PM1000N) 的性能.
- 在模拟的运动条件和低外周 perfusion 下评估设备的准确性.
- 为了将读数与参考同氧计测量结果进行比较.
主要方法:
- 28名健康的成年志愿者被分为运动 (N=14) 和低 perfusion (N=14) 组.
- 脉冲氧计在交替的手指上进行了测试,每个受试者作为自己的控制.
- 使用精度根平均平方 (ARMS) 和平均偏差与参考氧血球蛋白 (SaO2) 或对照手 SpO2.2 进行精度测量.
主要成果:
- 所有测试的设备都符合脉冲氧计的监管和测试标准.
- 在模拟运动和低 perfusion 条件下,所有设备的 SpO2 测量精度都降低了.
- 与运动相比,在低 perfusion 期间精度降低更为明显.
结论:
- 在运动和低 perfusion 下, SpO2 设备的整体性能在三个品牌中是相似的.
- 与基线相比,所有设备在运动过程中都表现出较低的精度和较低的 perfusion.
- 观察到的精度差异的临床相关性需要进一步调查.
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