连续的非侵入性血压估计使用通过扩散相关谱法测量的组织血流.
Zhe Li, Jiangtao Bai, Xiangyu Cao1
11st Medical Center of Chinese PLA General Hospital, Department of Neurology, Beijing, China.
这项研究引入了一种使用分散相关谱学 (DCS) 和深度学习的连续血压 (BP) 监测的新方法. 开发的系统通过组织血流 (BF) 来非侵入性地估计血压,为侵入性方法提供了一个有希望的替代方案.
科学领域:
- 生物医学工程 生物医学工程
- 医疗器械 医疗器械
- 心血管健康 心血管健康
背景情况:
- 持续的血压 (BP) 监测对于心血管健康管理至关重要.
- 目前用于连续血压测量的黄金标准是侵入式 (导管).
- 扩散相关谱 (DCS) 测量组织血流 (BF) 的非侵入性.
研究的目的:
- 开发和评估一个深度学习模型 (BFBP),用于使用DCS的非侵入性组织BF测量持续估计BP.
- 评估BFBP模型对实时BP监测的可行性和准确性.
主要方法:
- 开发了一种用于测量组织BF的DCS设备.
- 使用深度学习方法 (BFBP模型) 来将组织BF与BP相关联.
- 在12名受试者身上进行了体内实验以收集数据.
- 将模型与一个开放的BP数据集 (UC Irvine数据库) 验证.
主要成果:
- 在BFBP模型中,缩血压的平均绝对误差为5.54±5.03 mm Hg,缩血压的平均误差为1.71±2.86 mm Hg.
- 持续的血压估计达到英国高血压协会标准的A级.
- 使用非侵入性组织BF.证明可行的连续BP估计.
结论:
- DCS与深度学习相结合,为持续的BP监测提供了一种新的,非侵入性的方法.
- 该BFBP模型显示高精度,并满足临床标准的BP估计.
- 这项技术有可能通过持续的,非侵入性的血压跟踪来改善心血管健康管理.
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