脉冲氧计的性能作为种族的函数,与皮肤色素相比:一个单一中心的回顾性研究
Audrey I Marlar1, Bradley K Knabe1, Yasamin Taghikhan1
1Davis School of Medicine, University of California, Sacramento, CA, USA.
Journal of clinical monitoring and computing
|August 28, 2024
概括
这项研究发现,黑人和白人的脉冲氧计准确度没有显著差异. 自我报告的种族不是评估脉冲氧计 (SpO2) 错误的皮肤色素的可靠指标.
科学领域:
- 医疗器械和技术 医疗器械和技术
- 医疗公平与偏见 医疗公平与偏见
- 临床监测 临床监测
背景情况:
- 脉冲氧计 (SpO2) 对于监测重症患者的氧化量至关重要.
- 有关SpO2精度和与种族相关的潜在偏见存在担忧.
- 马西-马丁尺度量化了皮肤色素,可能解释了SpO2错误.
研究的目的:
- 用马西-马丁尺度评估脉冲氧计 (SpO2) 与皮肤色素相关的准确性.
- 调查不同肤色和自我认同的种族间隐性低氧化和SpO2错误的发生率.
- 为了确定自报告的种族是否是SPO2准确性评估中皮肤颜色的合适代理.
主要方法:
- 从579名患者中对4030个配对动脉 (SaO2) 和脉冲氧度 (SpO2) 值进行了回顾性分析.
- 使用马西-马丁尺度来定量评估皮肤色素.
- 基于马西得分和自我报告的种族的SaO2-SpO2差异对PaO2≤125mmHg的患者进行了比较.
主要成果:
- 在SaO2和SpO2之间,整体平均误差为0.23±2.6%.
- 在SpO2误差率和马西-马丁度量级之间没有发现临床意义上的关联.
- 在自我报告的黑人和白人患者之间没有观察到SPO2精度的临床显著差异.
结论:
- 在脉冲氧计准确性方面,自我报告的种族不是皮肤颜色的适当替代品.
- 皮肤颜色的变化存在于种族群体内,突出了使用种族作为SpO2错误预测器的局限性.
- 目前的证据表明,脉冲氧计的准确性在临床上没有受到研究人口的种族或皮肤颜色的显著影响.
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