Real-Time Cuffless Continuous Blood Pressure Estimation Using Deep Learning Model

Yung‐Hui Li

doi:10.3390/s20195606

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Real-Time Cuffless Continuous Blood Pressure Estimation Using Deep Learning Model

2020-09-30

Yung‐Hui Li

Latifa Nabila Harfiya

Kartika Purwandari

Yue‐Der Lin *

DOI：10.3390/s20195606

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Abstract

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Blood pressure monitoring is one avenue to monitor people's health conditions. Early detection of abnormal blood pressure can help patients to get early treatment and reduce mortality associated with cardiovascular diseases. Therefore, it is very valuable to have a mechanism to perform real-time monitoring for blood pressure changes in patients. In this paper, we propose deep learning regression models using an electrocardiogram (ECG) and photoplethysmogram (PPG) for the real-time estimation of systolic blood pressure (SBP) and diastolic blood pressure (DBP) values. We use a bidirectional layer of long short-term memory (LSTM) as the first layer and add a residual connection inside each of the following layers of the LSTMs. We also perform experiments to compare the performance between the traditional machine learning methods, another existing deep learning model, and the proposed deep learning models using the dataset of Physionet's multiparameter intelligent monitoring in intensive care II (MIMIC II) as the source of ECG and PPG signals as well as the arterial blood pressure (ABP) signal. The results show that the proposed model outperforms the existing methods and is able to achieve accurate estimation which is promising in order to be applied in clinical practice effectively.

Keywords:

blood pressure (BP)

electrocardiogram (ECG)

photoplethysmogram (PPG)

long short-term memory (LSTM)

bidirectional LSTM

deep LSTM

regression

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