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Using Deep Supervised UNet Network for Continuous Estimation of Blood Pressure Based on Photoplethysmography Signal
Masoumeh Khaleghian1 , Seyedehsamaneh Shojaeilangari * 2, Mahdi Mohseni3 , Maryam Beigzadeh4
1- Department of Electrical and Computer Engineering, Faculty of Artificial Intelligence, Kharazmi University
2- Biomedical Engineering group, Department of Electrical and Information Technology, Iranian Research Organization (IROST , s.shojaie@irost.ir
3- Faculty of Electrical Engineering (Electronics and Telecommunications), Shahid Beheshti University, Tehran
4- Biomedical Engineering group, Department of Electrical and Information Technology, Iranian Research Organization (IROST)
Abstract:   (28 Views)
Blood pressure monitoring is a vital component of maintaining overall health. High blood pressure values, as a risk factor, can lead to heart attacks, strokes, and heart and kidney failures. Similarly, low blood pressure values can also be dangerous, causing dizziness, weakness, fainting, and impaired oxygen delivery to organs, resulting in brain and heart damage. Consequently, continuous monitoring of blood pressure levels in high-risk individuals is very important. A Holter blood pressure monitoring device is prescribed for many patients due to its ability to provide long-term and valuable blood pressure data. The pursuit of software techniques and the development of cuffless blood pressure measurement devices, while ensuring patient comfort and convenience, are among the significant challenges that researchers are focusing on. In this study, a deep learning framework based on the UNet network is proposed for continuous blood pressure estimation from photoplethysmography signals. The proposed model was evaluated on the UCI database, involving 942 patients under intensive care, and achieved mean absolute errors of 8.88, 4.43, and 3.32, with standard deviations of 11.01, 6.18, and 4.15, respectively, for systolic, diastolic, and mean arterial blood pressure values. According to the international BHS standard, the proposed method meets grade A criteria for diastolic and mean blood pressure estimations and grade C for systolic blood pressure estimation. The results of this study demonstrate that the suggested deep learning framework has the necessary potential for blood pressure estimation from PPG signals in real-world applications.
 
Keywords: Photoplethysmography signal, Blood pressure estimation, Non-invasive technique, Artificial intelligence, Deep learning, Machine learning
     
Article Type: Original Research | Subject: Bioinformatics
Received: 2024/01/20 | Accepted: 2024/10/1
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