在动态条件下的无袖和无校准血压估计的UTransBPNet
Yali Zheng1, Hongda Huang2, Jiasheng Gao2
1Department of Biomedical Engineering, College of Health Science and Environmental Engineering, ShenzhenTechnology University, Shenzhen, China. zhengyali@sztu.edu.cn.
这项研究引入了UTransBPNet,这是一种用于无袖式血压 (BP) 估计的新型模型. 它准确地跟踪动态条件下的BP变化,优于现有的现实世界应用方法.
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:
- 准确的无袖血压 (BP) 估计具有挑战性,特别是在动态生理变化期间.
- 现有的方法通常需要校准,并与个人内血压变异性作斗争.
- 需要强大的,没有校准的模型来持续监测BP.
研究的目的:
- 介绍UTransBPNet,一个新的,无校准的深度学习模型,用于无袖式BP估计.
- 评估UTransBPNet在追踪各种动态数据集中的BP变化方面的表现.
- 分析数据集特征对模型通用性的影响.
主要方法:
- 开发了UTransBPNet,集成了用于短距离特征的挤压和激发增强的Unet,以及用于长距离依赖的具有交叉注意力的变压器.
- 使用高分辨率,多通道的生理信号来估计血压.
- 在特定场景和跨场景的设置中对动态数据集 (Dataset_Drink, Dataset_Exercise, Dataset_MIMIC) 进行了验证.
主要成果:
- 与现有模型相比,UTransBPNet在跟踪动态BP变化方面表现出卓越的性能.
- 实现了高个别的皮尔森相关系数 (例如,数据集_练习中的SBP为0.82±0.11) 和低平均绝对差异 (例如,数据集_MIMIC中的SBP为4.38 mmHg).
- 突出了数据集特征 (分布转移,不平衡,个体变化) 对模型性能和概括性的影响.
结论:
- UTransBPNet代表了无袖BP估计的重大进步,在动态条件下提供更高的准确性和稳定性.
- 这些发现强调了精心策划的数据集的重要性,以确保BP估计模型的通用性.
- 这项工作为在现实世界医疗保健场景中更可靠,非侵入性血压监测铺平了道路.
更多相关视频
14:28Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
Published on: May 10, 2024
11:26Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
Published on: December 10, 2014
相关概念视频
Sites for measruring blood pressure
The Brachial Artery: Primary Site for Blood Pressure Measurement
Equipments Used To Measure Blood Pressure
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...
Pre-Procedural Guidelines for Assessing Blood Pressure
Special considerations while measuring blood pressure
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.
Assessment of blood pressure in brachial artery(one-step method)
Prepare for the Procedure:
Assessment of blood pressure in brachial artery(two-step method)
