基于加速度计的新型呼吸率监测器的临床验证
O M Steihaug1, T E Sjøset2,3, A S Stordal4
1Department of Internal Medicine, Haraldsplass Deaconal Hospital, Bergen, Norway.
Journal of clinical monitoring and computing
|February 6, 2026
概括
一个新的无线传感器 RespX 准确地测量住院患者的呼吸速率 (RR). 这种基于加速度计的装置提供了可靠的替代手动计数和图,用于连续监控RR.
科学领域:
- 医疗器械 医疗器械
- 生理监测 生理监测
- 生物医学工程 生物医学工程
背景情况:
- 呼吸速率 (RR) 是一个关键的生命体征,但在临床环境中往往未得到充分利用.
- 手动计数RR是劳动密集型的,并且对自发呼吸的患者有局限性.
- 需要准确,持续和非侵入性的RR监控解决方案.
研究的目的:
- 验证 RespX,一种基于加速仪的无线传感器,用于在住院成年人中持续测量呼吸速率.
- 为了比较RespX的准确性与连续图和手动RR计数.
- 评估使用RespX用于呼吸监测的可行性和安全性.
主要方法:
- 一个前性,单中心的观察性研究,涉及住院成年人 (>18岁).
- 放置在胸壁上的RespX传感器,与连续图和手动计数 (每20分钟一小时) 相比.
- 主要终点:通过RespX测量RR在±3次呼吸/分钟内;使用线性混合效应模型进行分析.
主要成果:
- 77%的原始RespX数据和82.8%的过数据都在±3呼吸/分钟内.
- 87.5%的RespX测量在手动计数的±3次呼吸/分钟范围内.
- 线性混合效应模型显示RespX和头像图之间没有显著的平均差异 (p > 0.15),表明等价性;RespX显示变化较低.
结论:
- 基于加速度计的无线RespX传感器是一种新且准确的方法,用于评估清醒的住院患者的呼吸率.
- RespX为传统方法提供了可靠的替代方案,增强了持续呼吸监测能力.
- 该研究表明,RespX有潜力通过使RR评估一致来改善临床实践.
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