Mechanically Flexiable Biosensor for Detection of Photoplethysography

International Conference on Biomedical Electronics and Devices Pub Date : 2018-08-23 DOI:10.5220/0004806401590164

K. Davoudi, Moein Shayeganyan, K. Tavakolian, B. Kaminska

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引用次数: 1

Abstract

Acute cardiovascular failure could be detected by continuous monitoring of electrocardiogram (ECG). While electrode allocation on skin challenges quality of electrocardiograph, beat-to-beat heart rate obtained from photoplethysmography (PPG) could be used to indicate cardiovascular activity as an alternative to heart rate from ECG. In this paper we proposed a mechanically flexible PPG sensor integrated on thin layer of polymer. Mean and standard deviation of beat-to-beat heart rate was obtained from a flexible PPG sensor and compared to the beat-to-beat heart rate obtained from a commercial ECG and PPG devices. The standard deviation of beat-to-beat heart rate from ECG and PPG intervals were analysed by the Bland and Altman analysis. The corresponding 95% limits of agreement were estimated as 0.034 to -0.01 for PPG flexible sensor compared to ECG and as 0.0081 to 0.0037 for PPG flexible sensor compared to PPG commercial device. The good correlation between the measurement results demonstrated capability of our proposed mechanical flexible PPG sensor to be used as practical alternative to ECG for heart rate variability

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用于光电成像检测的机械柔性生物传感器

急性心血管衰竭可以通过连续监测心电图来发现。虽然在皮肤上配置电极会对心电图仪的质量造成挑战，但通过光容积脉搏波(PPG)获得的心跳速率可用于指示心血管活动，作为心电图心率的替代方法。本文提出了一种集成在聚合物薄层上的机械柔性PPG传感器。从灵活的PPG传感器获得搏动心率的平均值和标准差，并与从商用ECG和PPG设备获得的搏动心率进行比较。采用Bland和Altman分析法分析心电图和PPG间隔的次心跳率标准差。与ECG相比，PPG柔性传感器对应的95%一致性限估计为0.034至-0.01，与PPG商用设备相比，PPG柔性传感器对应的95%一致性限为0.0081至0.0037。测量结果之间的良好相关性表明，我们提出的机械柔性PPG传感器可以作为心电图心率变异性的实际替代方案

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International Conference on Biomedical Electronics and Devices

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