BP-Net: 监测血压的"变化"使用PPG与自我对比的掩护
IEEE journal of biomedical and health informatics
|July 2, 2024
概括
这项研究介绍了BP-Net,这是一种新型的深度学习模型,可以从光聚体图 (PPG) 信号中检测系统性血压 (SBP) 的变化. 在识别显著的SBP波动方面,BP-Net显示了更好的概括性,并超过了现有的方法.
科学领域:
- 生物医学工程 生物医学工程
- 医疗保健中的人工智能
- 生理信号处理 生理信号处理
背景情况:
- 从光电血压图 (PPG) 信号估计血压 (BP) 的深度学习模型面临着概括性挑战.
- 持续监测急性血压变化对于临床应用,如高血压紧急情况至关重要.
研究的目的:
- 开发一种新的深度学习方法,使用PPG信号检测随着时间的推移缩血压 (SBP) 的显著变化.
- 为了解决现有的基于PPG的BP估计模型的概括性限制.
主要方法:
- 提出了一种自我对比掩盖 (SCM) 模型,用于PPG信号中的对间时间比较.
- 引入了BP-Net,这是一个训练有素的模型,可以使用PPG检测超过值的SBP升高或下降.
- 评估了BP-Net在未见的对象和不同的数据集上,并将其与现有的基于PPG的BP估计方法进行比较.
主要成果:
- 在未见的受试者中,BP-Net在检测超过值的SBP变化方面取得了75.97%的准确性.
- 该模型在不同数据集中展示了改进的概括性.
- 在检测显著SBP波动方面,BP-Net的表现优于现有的基于PPG的模型.
结论:
- 将BP估计作为检测"变化"而不是绝对值的框架增强了模型的概括性.
- BP-Net提供了一种有前途的新方法,用于使用PPG信号进行临床BP监测.
- 这项工作推进了PPG的使用,以可靠和可通用的BP变化检测.
相关概念视频
01:28Special considerations while measuring blood pressure
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When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
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01:17Measurement of Blood Pressure
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Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
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01:30Equipments Used To Measure Blood Pressure
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Direct Method
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01:21Sites for measruring blood pressure
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01:30Pulse rhythm
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01:19Assessing Blood pressure using a doppler ultrasound
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