非侵入性脉冲到达时间作为在非药物干预过程中对振荡度系统性血压变化的替代品
Bernhard Hametner1, Severin Maurer2, Alina Sehnert3
1AIT Austrian Institute of Technology GmbH, Center for Health & Bioresources, Medical Signal Analysis, Vienna, Austria.
Physiological measurement
|April 30, 2024
概括
脉冲到达时间 (PAT) 可靠地跟踪身体和精神活动期间血压 (BP) 的变化,为移动健康BP管理提供了潜力. 这种非侵入性方法对监测相对血压波动充满希望.
科学领域:
- 生物医学工程 生物医学工程
- 心血管生理学心血管生理学
- 医疗器械 医疗器械
背景情况:
- 非侵入性持续血压 (BP) 监测对于心血管健康管理至关重要.
- 脉冲到达时间 (PAT) 是无袖血压测量和生活方式干预中缩血压变化的受欢迎替代品.
- 在不受控制的移动环境中,PAT的可靠性仍然令人担忧.
研究的目的:
- 调查PAT是否与在中度体力和精神活动期间的振荡计系统性血压读数相关.
- 评估手持设备在干预期间进行非侵入性PAT评估的可靠性.
主要方法:
- 一项涉及实验组 (身体和精神任务) 和对照组的研究.
- 在基线和干预后评估振荡度BP和PAT.
- 多变量和单变量分析差异,然后进行相关性分析.
主要成果:
- 在实验组和对照组之间观察到BP,心率和PAT的显著差异.
- 身体活动增加了心率和缩血压,同时降低了PAT.
- 精神活动降低了缩血压,心率稳定,PAT相应增加.
结论:
- 数字手持PAT设备可靠地记录血压和心率变化,与干预期间的振荡计测量相比.
- 通过跟踪非药物干预期间的相对血压变化,PAT显示了移动健康解决方案的潜力.
- 对于绝对BP监测,需要进一步验证.
相关概念视频
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01:28Special considerations while measuring blood pressure
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01:30Equipments Used To Measure Blood Pressure
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Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
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