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Kim KR, Kang TW, Kim H, Lee YJ, Lee SH, Yi H, Kim HS, Kim H, Min J, Ready J, Millard-Stafford M, Yeo WH. All-in-One, Wireless, Multi-Sensor Integrated Athlete Health Monitor for Real-Time Continuous Detection of Dehydration and Physiological Stress. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2403238. [PMID: 38950170 DOI: 10.1002/advs.202403238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 06/03/2024] [Indexed: 07/03/2024]
Abstract
Athletes are at high risk of dehydration, fatigue, and cardiac disorders due to extreme performance in often harsh environments. Despite advancements in sports training protocols, there is an urgent need for a non-invasive system capable of comprehensive health monitoring. Although a few existing wearables measure athlete's performance, they are limited by a single function, rigidity, bulkiness, and required straps and adhesives. Here, an all-in-one, multi-sensor integrated wearable system utilizing a set of nanomembrane soft sensors and electronics, enabling wireless, real-time, continuous monitoring of saliva osmolality, skin temperature, and heart functions is introduced. This system, using a soft patch and a sensor-integrated mouthguard, provides comprehensive monitoring of an athlete's hydration and physiological stress levels. A validation study in detecting real-time physiological levels shows the device's performance in capturing moments (400-500 s) of synchronized acute elevation in dehydration (350%) and physiological strain (175%) during field training sessions. Demonstration with a few human subjects highlights the system's capability to detect early signs of health abnormality, thus improving the healthcare of sports athletes.
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Affiliation(s)
- Ka Ram Kim
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Tae Woog Kang
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Hodam Kim
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Yoon Jae Lee
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Sung Hoon Lee
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Hoon Yi
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Hyeon Seok Kim
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Hojoong Kim
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Jihee Min
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Department of Biology, College of Arts and Sciences, Emory University, Atlanta, GA, 30322, USA
| | - Jud Ready
- Electro-Optical Systems Laboratory, Georgia Tech Research Institute, Atlanta, GA, 30332, USA
| | | | - Woon-Hong Yeo
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Tech and Emory University School of Medicine, Atlanta, GA, 30332, USA
- Parker H. Petit Institute for Bioengineering and Biosciences, Institute for Robotics and Intelligent Machines, Georgia Institute of Technology, Atlanta, GA, 30332, USA
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Armoundas AA, Ahmad FS, Bennett DA, Chung MK, Davis LL, Dunn J, Narayan SM, Slotwiner DJ, Wiley KK, Khera R. Data Interoperability for Ambulatory Monitoring of Cardiovascular Disease: A Scientific Statement From the American Heart Association. CIRCULATION. GENOMIC AND PRECISION MEDICINE 2024; 17:e000095. [PMID: 38779844 DOI: 10.1161/hcg.0000000000000095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Wearable devices are increasingly used by a growing portion of the population to track health and illnesses. The data emerging from these devices can potentially transform health care. This requires an interoperability framework that enables the deployment of platforms, sensors, devices, and software applications within diverse health systems, aiming to facilitate innovation in preventing and treating cardiovascular disease. However, the current data ecosystem includes several noninteroperable systems that inhibit such objectives. The design of clinically meaningful systems for accessing and incorporating these data into clinical workflows requires strategies to ensure the quality of data and clinical content and patient and caregiver accessibility. This scientific statement aims to address the best practices, gaps, and challenges pertaining to data interoperability in this area, with considerations for (1) data integration and the scope of measures, (2) application of these data into clinical approaches/strategies, and (3) regulatory/ethical/legal issues.
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Lingawi S, Hutton J, Khalili M, Shadgan B, Christenson J, Grunau B, Kuo C. Cardiorespiratory Sensors and Their Implications for Out-of-Hospital Cardiac Arrest Detection: A Systematic Review. Ann Biomed Eng 2024; 52:1136-1158. [PMID: 38358559 DOI: 10.1007/s10439-024-03442-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 01/03/2024] [Indexed: 02/16/2024]
Abstract
Out-of-hospital cardiac arrest (OHCA) is a major health problem, with a poor survival rate of 2-11%. For the roughly 75% of OHCAs that are unwitnessed, survival is approximately 2-4.4%, as there are no bystanders present to provide life-saving interventions and alert Emergency Medical Services. Sensor technologies may reduce the number of unwitnessed OHCAs through automated detection of OHCA-associated physiological changes. However, no technologies are widely available for OHCA detection. This review identifies research and commercial technologies developed for cardiopulmonary monitoring that may be best suited for use in the context of OHCA, and provides recommendations for technology development, testing, and implementation. We conducted a systematic review of published studies along with a search of grey literature to identify technologies that were able to provide cardiopulmonary monitoring, and could be used to detect OHCA. We searched MEDLINE, EMBASE, Web of Science, and Engineering Village using MeSH keywords. Following inclusion, we summarized trends and findings from included studies. Our searches retrieved 6945 unique publications between January, 1950 and May, 2023. 90 studies met the inclusion criteria. In addition, our grey literature search identified 26 commercial technologies. Among included technologies, 52% utilized electrocardiography (ECG) and 40% utilized photoplethysmography (PPG) sensors. Most wearable devices were multi-modal (59%), utilizing more than one sensor simultaneously. Most included devices were wearable technologies (84%), with chest patches (22%), wrist-worn devices (18%), and garments (14%) being the most prevalent. ECG and PPG sensors are heavily utilized in devices for cardiopulmonary monitoring that could be adapted to OHCA detection. Developers seeking to rapidly develop methods for OHCA detection should focus on using ECG- and/or PPG-based multimodal systems as these are most prevalent in existing devices. However, novel sensor technology development could overcome limitations in existing sensors and could serve as potential additions to or replacements for ECG- and PPG-based devices.
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Affiliation(s)
- Saud Lingawi
- British Columbia Resuscitation Research Collaborative, Vancouver, BC, Canada.
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada.
- Centre for Aging SMART, University of British Columbia, 2635 Laurel St., Vancouver, BC, V5Z 1M9, Canada.
| | - Jacob Hutton
- British Columbia Resuscitation Research Collaborative, Vancouver, BC, Canada
- British Columbia Emergency Health Services, Vancouver, Canada
- Department of Emergency Medicine, University of British Columbia and St. Paul's Hospital, Vancouver, BC, Canada
- Centre for Advancing Health Outcomes, University of British Columbia, Vancouver, BC, Canada
| | - Mahsa Khalili
- British Columbia Resuscitation Research Collaborative, Vancouver, BC, Canada
- Centre for Aging SMART, University of British Columbia, 2635 Laurel St., Vancouver, BC, V5Z 1M9, Canada
- Department of Emergency Medicine, University of British Columbia and St. Paul's Hospital, Vancouver, BC, Canada
- Centre for Advancing Health Outcomes, University of British Columbia, Vancouver, BC, Canada
| | - Babak Shadgan
- British Columbia Resuscitation Research Collaborative, Vancouver, BC, Canada
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
- Department of Orthopedic Surgery, University of British Columbia, Vancouver, BC, Canada
- International Collaboration on Repair Discoveries, Vancouver, BC, Canada
| | - Jim Christenson
- British Columbia Resuscitation Research Collaborative, Vancouver, BC, Canada
- British Columbia Emergency Health Services, Vancouver, Canada
- Department of Emergency Medicine, University of British Columbia and St. Paul's Hospital, Vancouver, BC, Canada
- Centre for Advancing Health Outcomes, University of British Columbia, Vancouver, BC, Canada
| | - Brian Grunau
- British Columbia Resuscitation Research Collaborative, Vancouver, BC, Canada
- British Columbia Emergency Health Services, Vancouver, Canada
- Department of Emergency Medicine, University of British Columbia and St. Paul's Hospital, Vancouver, BC, Canada
- Centre for Advancing Health Outcomes, University of British Columbia, Vancouver, BC, Canada
| | - Calvin Kuo
- British Columbia Resuscitation Research Collaborative, Vancouver, BC, Canada
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
- Centre for Aging SMART, University of British Columbia, 2635 Laurel St., Vancouver, BC, V5Z 1M9, Canada
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Sanchez-Perez JA, Gazi AH, Mabrouk SA, Berkebile JA, Ozmen GC, Kamaleswaran R, Inan OT. Enabling Continuous Breathing-Phase Contextualization via Wearable-Based Impedance Pneumography and Lung Sounds: A Feasibility Study. IEEE J Biomed Health Inform 2023; 27:5734-5744. [PMID: 37751335 PMCID: PMC10733967 DOI: 10.1109/jbhi.2023.3319381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Chronic respiratory diseases affect millions and are leading causes of death in the US and worldwide. Pulmonary auscultation provides clinicians with critical respiratory health information through the study of Lung Sounds (LS) and the context of the breathing-phase and chest location in which they are measured. Existing auscultation technologies, however, do not enable the simultaneous measurement of this context, thereby potentially limiting computerized LS analysis. In this work, LS and Impedance Pneumography (IP) measurements were obtained from 10 healthy volunteers while performing normal and forced-expiratory (FE) breathing maneuvers using our wearable IP and respiratory sounds (WIRS) system. Simultaneous auscultation was performed with the Eko CORE stethoscope (EKO). The breathing-phase context was extracted from the IP signals and used to compute phase-by-phase (Inspiratory (I), expiratory (E), and their ratio (I:E)) and breath-by-breath acoustic features. Their individual and added value was then elucidated through machine learning analysis. We found that the phase-contextualized features effectively captured the underlying acoustic differences between deep and FE breaths, yielding a maximum F1 Score of 84.1 ±11.4% with the phase-by-phase features as the strongest contributors to this performance. Further, the individual phase-contextualized models outperformed the traditional breath-by-breath models in all cases. The validity of the results was demonstrated for the LS obtained with WIRS, EKO, and their combination. These results suggest that incorporating breathing-phase context may enhance computerized LS analysis. Hence, multimodal sensing systems that enable this, such as WIRS, have the potential to advance LS clinical utility beyond traditional manual auscultation and improve patient care.
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Showkat I, Khanday FA, Beigh MR. A review of bio-impedance devices. Med Biol Eng Comput 2023; 61:927-950. [PMID: 36637716 DOI: 10.1007/s11517-022-02763-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 12/27/2022] [Indexed: 01/14/2023]
Abstract
Bio-impedance measurement analysis primarily refers to a safe and a non-invasive technique to analyze the electrical changes in living tissues on the application of low-value alternating current. It finds applications both in the biomedical and the agricultural fields. This paper concisely reviews the origin and measurement approaches for concepts and fundamentals of bio-impedance followed by a critical review on bio-impedance portable devices with main emphasis on the embedded system approach which is in demand due to its miniature size and present lifestyle preference of monitoring health in real time. The paper also provides a comprehensive review of various bio-impedance circuits with emphasis on the measurement and calibration techniques.
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Affiliation(s)
- Insha Showkat
- Department of Electronics and Instrumentation Technology, University of Kashmir, Hazratbal, Srinagar, Jammu and Kashmir, India
| | - Farooq A Khanday
- Department of Electronics and Instrumentation Technology, University of Kashmir, Hazratbal, Srinagar, Jammu and Kashmir, India.
| | - M Rafiq Beigh
- Department of Electronics, Govt. Degree College Sumbal, Sumbal, J&K, India
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Yan H, Yang X, Liu Y, He W, Liao Y, Yang J, Gao Y. Feasibility Analysis and Implementation of Head-Mounted Electrical Impedance Respiratory Monitoring. BIOSENSORS 2022; 12:934. [PMID: 36354443 PMCID: PMC9687582 DOI: 10.3390/bios12110934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/17/2022] [Accepted: 10/24/2022] [Indexed: 06/02/2023]
Abstract
The respiratory rate is one of the crucial indicators for monitoring human physiological health. The purpose of this paper was to introduce a head-mounted respiratory monitoring solution based on electrical impedance sensing. Firstly, we constructed a finite element model to analyze the feasibility of using head impedance for respiratory sensing based on the physiological changes in the pharynx. After that, we developed a circuit module that could be integrated into a head-mounted respiratory monitoring device using a bioelectrical impedance sensor. Furthermore, we combined adaptive filtering and respiratory tracking algorithms to develop an app for a mobile phone. Finally, we conducted controlled experiments to verify the effectiveness of this electrical impedance sensing system for extracting respiratory rate. We found that the respiration rates measured by the head-mounted electrical impedance respiratory monitoring system were not significantly different from those of commercial respiratory monitoring devices by a paired t-test (p > 0.05). The results showed that the respiratory rates of all subjects were within the 95% confidence interval. Therefore, the head-mounted respiratory monitoring scheme proposed in this paper was able to accurately measure respiratory rate, indicating the feasibility of this solution. In addition, this respiratory monitoring scheme helps to achieve real-time continuous respiratory monitoring, which can provide new insights for personalized health monitoring.
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Affiliation(s)
- Hongli Yan
- College of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China
- The International Joint Laboratory on Intelligent Health Monitoring Systems, Fuzhou University, Fuzhou 350108, China
- Key Lab of Medical Instrumentation & Pharmaceutical Technology of Fujian Province, Fuzhou 350108, China
| | - Xudong Yang
- The International Joint Laboratory on Intelligent Health Monitoring Systems, Fuzhou University, Fuzhou 350108, China
- Key Lab of Medical Instrumentation & Pharmaceutical Technology of Fujian Province, Fuzhou 350108, China
- The School of Advanced Manufacturing, Fuzhou University, Quanzhou 362251, China
| | - Yanyan Liu
- The International Joint Laboratory on Intelligent Health Monitoring Systems, Fuzhou University, Fuzhou 350108, China
- Key Lab of Medical Instrumentation & Pharmaceutical Technology of Fujian Province, Fuzhou 350108, China
- The School of Advanced Manufacturing, Fuzhou University, Quanzhou 362251, China
| | - Wanting He
- The International Joint Laboratory on Intelligent Health Monitoring Systems, Fuzhou University, Fuzhou 350108, China
- Key Lab of Medical Instrumentation & Pharmaceutical Technology of Fujian Province, Fuzhou 350108, China
- The School of Advanced Manufacturing, Fuzhou University, Quanzhou 362251, China
| | - Yipeng Liao
- College of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China
- The International Joint Laboratory on Intelligent Health Monitoring Systems, Fuzhou University, Fuzhou 350108, China
| | - Jiejie Yang
- College of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China
- The International Joint Laboratory on Intelligent Health Monitoring Systems, Fuzhou University, Fuzhou 350108, China
| | - Yueming Gao
- College of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China
- The International Joint Laboratory on Intelligent Health Monitoring Systems, Fuzhou University, Fuzhou 350108, China
- Key Lab of Medical Instrumentation & Pharmaceutical Technology of Fujian Province, Fuzhou 350108, China
- The School of Advanced Manufacturing, Fuzhou University, Quanzhou 362251, China
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