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Blood Pressure Monitoring System Using a Two-Channel Ballistocardiogram and Convolutional Neural Networks
Hypertension is a chronic disease that kills 7.6 million people worldwide annually. A continuous blood pressure monitoring system is required to accurately diagnose hypertension. Here, a chair-shaped ballistocardiogram (BCG)-based blood pressure estimation system was developed with no sensors attach...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8037981/ https://www.ncbi.nlm.nih.gov/pubmed/33806118 http://dx.doi.org/10.3390/s21072303 |
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author | Seok, Woojoon Lee, Kwang Jin Cho, Dongrae Roh, Jongryun Kim, Sayup |
author_facet | Seok, Woojoon Lee, Kwang Jin Cho, Dongrae Roh, Jongryun Kim, Sayup |
author_sort | Seok, Woojoon |
collection | PubMed |
description | Hypertension is a chronic disease that kills 7.6 million people worldwide annually. A continuous blood pressure monitoring system is required to accurately diagnose hypertension. Here, a chair-shaped ballistocardiogram (BCG)-based blood pressure estimation system was developed with no sensors attached to users. Two experimental sessions were conducted with 30 subjects. In the first session, two-channel BCG and blood pressure data were recorded for each subject. In the second session, the two-channel BCG and blood pressure data were recorded after running on a treadmill and then resting on the newly developed system. The empirical mode decomposition algorithm was used to remove noise in the two-channel BCG, and the instantaneous phase was calculated by applying a Hilbert transform to the first intrinsic mode functions. After training a convolutional neural network regression model that predicts the systolic and diastolic blood pressures (SBP and DBP) from the two-channel BCG phase, the results of the first session (rest) and second session (recovery) were compared. The results confirmed that the proposed model accurately estimates the rapidly rising blood pressure in the recovery state. Results from the rest sessions satisfied the Association for the Advancement of Medical Instrumentation (AAMI) international standards. The standard deviation of the SBP results in the recovery session exceeded 0.7. |
format | Online Article Text |
id | pubmed-8037981 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-80379812021-04-12 Blood Pressure Monitoring System Using a Two-Channel Ballistocardiogram and Convolutional Neural Networks Seok, Woojoon Lee, Kwang Jin Cho, Dongrae Roh, Jongryun Kim, Sayup Sensors (Basel) Communication Hypertension is a chronic disease that kills 7.6 million people worldwide annually. A continuous blood pressure monitoring system is required to accurately diagnose hypertension. Here, a chair-shaped ballistocardiogram (BCG)-based blood pressure estimation system was developed with no sensors attached to users. Two experimental sessions were conducted with 30 subjects. In the first session, two-channel BCG and blood pressure data were recorded for each subject. In the second session, the two-channel BCG and blood pressure data were recorded after running on a treadmill and then resting on the newly developed system. The empirical mode decomposition algorithm was used to remove noise in the two-channel BCG, and the instantaneous phase was calculated by applying a Hilbert transform to the first intrinsic mode functions. After training a convolutional neural network regression model that predicts the systolic and diastolic blood pressures (SBP and DBP) from the two-channel BCG phase, the results of the first session (rest) and second session (recovery) were compared. The results confirmed that the proposed model accurately estimates the rapidly rising blood pressure in the recovery state. Results from the rest sessions satisfied the Association for the Advancement of Medical Instrumentation (AAMI) international standards. The standard deviation of the SBP results in the recovery session exceeded 0.7. MDPI 2021-03-25 /pmc/articles/PMC8037981/ /pubmed/33806118 http://dx.doi.org/10.3390/s21072303 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ). |
spellingShingle | Communication Seok, Woojoon Lee, Kwang Jin Cho, Dongrae Roh, Jongryun Kim, Sayup Blood Pressure Monitoring System Using a Two-Channel Ballistocardiogram and Convolutional Neural Networks |
title | Blood Pressure Monitoring System Using a Two-Channel Ballistocardiogram and Convolutional Neural Networks |
title_full | Blood Pressure Monitoring System Using a Two-Channel Ballistocardiogram and Convolutional Neural Networks |
title_fullStr | Blood Pressure Monitoring System Using a Two-Channel Ballistocardiogram and Convolutional Neural Networks |
title_full_unstemmed | Blood Pressure Monitoring System Using a Two-Channel Ballistocardiogram and Convolutional Neural Networks |
title_short | Blood Pressure Monitoring System Using a Two-Channel Ballistocardiogram and Convolutional Neural Networks |
title_sort | blood pressure monitoring system using a two-channel ballistocardiogram and convolutional neural networks |
topic | Communication |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8037981/ https://www.ncbi.nlm.nih.gov/pubmed/33806118 http://dx.doi.org/10.3390/s21072303 |
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