使用单点光容积脉搏波测量无袖带血压

2023 International Conference on Bio Signals, Images, and Instrumentation (ICBSII) Pub Date : 2023-03-16 DOI:10.1109/ICBSII58188.2023.10181082

Ramakrishnan Maharajan

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引用次数: 0

摘要

在这项工作中，提出了一种基于血流的方法，从单个PPG传感器的光容积脉搏波(PPG)信号中估计拍对拍血压参数。PPG信号代表血容量的变化。它的一阶导数反映了血流量。在这项工作中，从PPG信号的一阶导数所反映的血流速率中提取特征。所提出的方法已使用MIMIC II数据库中的临床数据进行验证。验证表明，单位点PPG信号估计的收缩压和舒张压的平均误差±SD分别为0.95±5.14 mmHg和0.402±4.85 mmHg。

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Cuffless BP Measurement Using Single Site Photoplethysmography

In this work, a blood flow-based method has been proposed to estimate beat to beat blood pressure parameters from the photoplethysmography (PPG) signal from a single PPG sensor. PPG signal represents the changes in the blood volume. The first derivative of it reflects the blood flow rate. In this work, the features are extracted from the blood flow rate reflected by the first derivative of PPG signal. The proposed method has been validated using Clinical data available in MIMIC II database. The validation shows that the systolic blood pressure and diastolic blood pressure estimated from a single site PPG signal has the mean error ± SD as 0.95 ± 5.14 mmHg for the beat-to-beat Pulse Pressure (PP) and 0.402 ± 4.85 mmHg for beat-to-beat Systolic Blood Pressure (SBP).

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来源期刊

2023 International Conference on Bio Signals, Images, and Instrumentation (ICBSII)

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