对于振荡计血压测量的混合深度形态-时间框架
IEEE journal of biomedical and health informatics
|August 31, 2023
概括
这项研究引入了一种新的2D数据表示和深度学习模型,用于使用振荡计设备更准确地测量血压 (BP). 这种先进的方法显著提高了BP估计的准确性,符合国际标准.
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
- 心血管监测 心血管监测
背景情况:
- 振荡计血压 (BP) 装置是自动化血压测量的标准,但其准确性可变.
- 目前的算法无法充分利用振荡计脉冲模式中的信息.
- 提高血压测量精度对于各种患者群体和环境至关重要.
研究的目的:
- 开发一种新的2D振荡计数据表示,用于增强BP的表征.
- 应用深度学习来从这个表示中提取与BP相关的信息特征.
- 为了提高自动化BP测量设备的准确性和可靠性.
主要方法:
- 提出了一种用于动脉系统表征的新型2D振荡计数据表示方法.
- 开发了一种混合卷积循环神经网络 (CNN-RNN) 用于特征提取.
- 在来自245个人的三个振荡计数据库上训练并验证了该模型.
主要成果:
- 取得的平均误差为0.08 mmHg (静脉缩) 和0.04 mmHg (腹缩),标准偏差分别为2.4 mmHg和2.2 mmHg.
- 超过现有的最先进的BP估计技术.
- 超过了当前的BP监测器的国际标准,并且有很大的差距.
结论:
- 拟议的2D数据表示和深度学习模型在BP估计方面取得了重大进展.
- 这种方法可以在不同患者群体和情况中进行更强大,更客观的血压监测.
- 这些发现表明,人工智能驱动的改进在非专业的BP测量工具中具有有希望的未来.
相关概念视频
01:17Measurement of Blood Pressure
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01:19Assessing Blood pressure using a doppler ultrasound
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Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
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01:30Equipments Used To Measure Blood Pressure
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Direct Method
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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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01:23Assessment of blood pressure in brachial artery(two-step method)
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01:15Assessment of blood pressure in brachial artery(one-step method)
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This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure:
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