可穿戴的高光谱光电显微镜允许持续监测运动引起的高血压
Jung-Woo Park1,2, Jaehyeok Park1,2, Jaehun Jeon1,2
1Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, South Korea.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|April 25, 2025
概括
一个新的可穿戴的高光谱光电系统学 (HS-PPG) 传感器使得连续的,无袖的血压 (BP) 监测. 这种无意识的设备精确地估计了心缩和腹缩血压,为心血管健康跟踪提供了重大进步.
科学领域:
- 生物医学工程 生物医学工程
- 心血管技术的心血管技术
- 可穿戴的健康设备
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.
- 现有的血压传感器受到袖口依赖的方法,不适和不连续测量的限制.
- 需要无袖式血压监测解决方案,以改善患者的遵守性和实时健康洞察力.
研究的目的:
- 引入一款新型可穿戴的高光谱光电系统学 (HS-PPG) 模块,用于连续和无意识的血压监测.
- 为了证明HS-PPG传感器在估计心压和腹压血压方面的准确性和可靠性.
- 评估设备在体力活动期间同时监测心率和呼吸交换比率的能力.
主要方法:
- 开发一个紧的HS-PPG模块,集成一个超薄的双折固体浸泡格子微光谱仪 (DFSIG-μSPEC) 和一个白光LED.
- 在HS-PPG波形中使用50个光谱波段来精确测量动脉脉动脉过渡时间 (aPTT).
- 采用2元风模型来估计血压,并根据已确定的方法验证测量结果.
主要成果:
- 在550-800nm范围内,DFSIG-μSPEC实现了3.4nm的平均光谱分辨率.
- 缩和腹缩血压的精确估计具有高相关系数 (R=0.96和R=0.92,分别) 和低平均绝对差异 (0.40 mmHg和1.20 mmHg).
- 持续监测表明,在运动诱导的高血压期间,对血液动力学变化产生了立即反应,跟踪血压,心率和呼吸交换比率.
结论:
- 开发的可穿戴HS-PPG传感器为高保真,连续和无意识的血压监测提供了一个有希望的解决方案.
- 紧和可穿戴的设计使其适合长期的心血管健康监测.
- 这项技术有很大的潜力通过实时生理数据来增强心血管疾病的管理和理解.
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