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Wearable health devices

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https://www.readbyqxmd.com/read/29334198/enzyme-based-glucose-sensor-from-invasive-to-wearable-device
#1
REVIEW
Hyunjae Lee, Yongseok Joseph Hong, Seungmin Baik, Taeghwan Hyeon, Dae-Hyeong Kim
Blood glucose concentration is a key indicator of patients' health, particularly for symptoms associated with diabetes mellitus. Because of the large number of diabetic patients, many approaches for glucose measurement have been studied to enable continuous and accurate glucose level monitoring. Among them, electrochemical analysis is prominent because it is simple and quantitative. This technology has been incorporated into commercialized and research-level devices from simple test strips to wearable devices and implantable systems...
January 15, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29323376/a-multifunctional-wearable-sensor-based-on-a-graphene-inverse-opal-cellulose-film-for-simultaneous-in-situ-monitoring-of-human-motion-and-sweat
#2
Hua Xu, Yi Fei Lu, Jian Xin Xiang, Ming Kun Zhang, Yuan Jin Zhao, Zhuo Ying Xie, Zhong Ze Gu
A multifunctional, wearable sensor based on a reduced oxide graphene (rGO) film onto a porous inverse opal acetylcellulose (IOAC) film has been developed and can perform simultaneous, in situ monitoring of various human motions and ion concentrations in sweat. The rGO film is used as a strain-sensing layer for monitoring human motion via its resistance change, whereas the porous IOAC film is used as a flexible microstructured substrate not only for high sensitive motion sensing, but also for collection and analysis of ion concentrations in sweat by its simple colorimetric changes or reflection-peak shifts...
January 11, 2018: Nanoscale
https://www.readbyqxmd.com/read/29299924/high-performance-colorimetric-carbon-monoxide-sensor-for-continuous-personal-exposure-monitoring
#3
Chenwen Lin, Xiaojun Xian, Xingcai Qin, Di Wang, Francis Tsow, Erica S Forzani, Nongjian Tao
Carbon monoxide (CO) is a highly poisonous gas, which can cause serious health risk. CO monitoring helps protect us from excessive exposure at home and in the workplace, and reduce occupation-related health risks for workers. Conventional electrochemical and metal oxide semiconductors (MOS) based CO sensors have been widely used, but the drawbacks such as poor selectivity and calibration burden also limit their applications, e.g. as wearable exposure monitors. Aiming at the reliable, miniaturized, and easy-to-use personal exposure device development, we report a colorimetric CO sensing platform, which achieves a detection limit of 1 ppm, dynamic range of 0 ~ 500 ppm, and high selectivity to CO over common interferents in air, such as CO2, NO2, SO2, and O3...
January 4, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29242996/personalized%C3%A2-health-monitoring%C3%A2-system-for-managing-well-being-in-rural-areas
#4
Prema Nedungadi, Akshay Jayakumar, Raghu Raman
Rural India lacks easy access to health practitioners and medical centers, depending instead on community health workers. In these areas, common ailments that are easy to manage with medicines, often lead to medical escalations and even fatalities due to lack of awareness and delayed diagnosis. The introduction of wearable health devices has made it easier to monitor health conditions and to connect doctors and patients in urban areas. However, existing initiatives have not succeeded in providing adequate health monitoring to rural and low-literate patients, as current methods are expensive, require consistent connectivity and expect literate users...
December 14, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/29239200/digital-health-and-perioperative-care
#5
Theofanis Fotis
According to the U.S. Food and Drug Administration 'the broad scope of digital health includes categories such as mobile health (mHealth), health information technology (IT), wearable devices, telehealth and telemedicine, and personalised medicine, and is used by providers and other stakeholders in their efforts to reduce inefficiencies, improve access, reduce costs, increase quality, and make medicine more personalised for patients (FDA 2016). More recently, Paul Sonier, a digital health strategist and founder of the Linkedin digital health group with more than 40,000 members, defined digital health as 'the convergence of the digital and genomic revolutions with health, healthcare, living, and society' (storyofdigitalhealth...
June 2017: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29237080/cardiopulmonary-coupling-spectrogram-as-an-ambulatory-clinical-biomarker-of-sleep-stability-and-quality-in-health-sleep-apnea-and-insomnia
#6
Robert Joseph Thomas, Christopher Wood, Matt Travis Bianchi
Study Objectives: Ambulatory tracking of sleep and sleep pathology is rapidly increasing with the introduction of wearable devices. The objective of this study was to evaluate a wearable device which used novel computational analysis of the electrocardiogram (ECG), collected over multiple nights, as a method to track the dynamics of sleep quality in health and disease. Methods: This study used the electrocardiogram as a primary signal, a wearable device, the M1, and an analysis of cardiopulmonary coupling to estimate sleep quality...
December 9, 2017: Sleep
https://www.readbyqxmd.com/read/29236085/performance-evaluation-of-bluetooth-low-energy-a-systematic-review
#7
REVIEW
Jacopo Tosi, Fabrizio Taffoni, Marco Santacatterina, Roberto Sannino, Domenico Formica
Small, compact and embedded sensors are a pervasive technology in everyday life for a wide number of applications (e.g., wearable devices, domotics, e-health systems, etc.). In this context, wireless transmission plays a key role, and among available solutions, Bluetooth Low Energy (BLE) is gaining more and more popularity. BLE merges together good performance, low-energy consumption and widespread diffusion. The aim of this work is to review the main methodologies adopted to investigate BLE performance. The first part of this review is an in-depth description of the protocol, highlighting the main characteristics and implementation details...
December 13, 2017: Sensors
https://www.readbyqxmd.com/read/29231887/real-time-monitoring-in-home-based-cardiac-rehabilitation-using-wrist-worn-heart-rate-devices
#8
Javier Medina Quero, María Rosa Fernández Olmo, María Dolores Peláez Aguilera, Macarena Espinilla Estévez
Cardiac rehabilitation is a key program which significantly reduces the mortality in at-risk patients with ischemic heart disease; however, there is a lack of accessibility to these programs in health centers. To resolve this issue, home-based programs for cardiac rehabilitation have arisen as a potential solution. In this work, we present an approach based on a new generation of wrist-worn devices which have improved the quality of heart rate sensors and applications. Real-time monitoring of rehabilitation sessions based on high-quality clinical guidelines is embedded in a wearable application...
December 12, 2017: Sensors
https://www.readbyqxmd.com/read/29226917/toward-research-tested-mobile-health-interventions-to-prevent-diabetes-and-cardiovascular-disease-among-persons-with-pre-diabetes
#9
Steven S Coughlin, Jessica Lynn Stewart
Background: About 35% of US adults have pre-diabetes and an increased risk of diabetes. Consumer-facing devices such as the Fitbit help users become more physically active and manage their weight which reduces risk of diabetes and cardiovascular disease. Methods: In this commentary we provide a summary of healthy lifestyle intervention studies involving persons with pre-diabetes including those conducted in routine clinical practice. We also provide an account of how such interventions might be enhanced through the use of wearable devices linked to smartphone applications...
November 2017: J Hosp Manag Health Policy
https://www.readbyqxmd.com/read/29217503/impact-of-an-electronic-health-record-integrated-personal-health-record-on-patient-participation-in-health-care-development-and-randomized-controlled-trial-of-myhealthkeeper
#10
Borim Ryu, Nari Kim, Eunyoung Heo, Sooyoung Yoo, Keehyuck Lee, Hee Hwang, Jeong-Whun Kim, Yoojung Kim, Joongseek Lee, Se Young Jung
BACKGROUND: Personal health record (PHR)-based health care management systems can improve patient engagement and data-driven medical diagnosis in a clinical setting. OBJECTIVE: The purpose of this study was (1) to demonstrate the development of an electronic health record (EHR)-tethered PHR app named MyHealthKeeper, which can retrieve data from a wearable device and deliver these data to a hospital EHR system, and (2) to study the effectiveness of a PHR data-driven clinical intervention with clinical trial results...
December 7, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29214596/preparing-for-the-future-of-rare-diseases
#11
Stephen C Groft, Manuel Posada de la Paz
Members of the rare disease community have devoted significant financial and personnel resources to address the numerous issues surrounding rare diseases. The past has been devoted to developing an emphasis on rare diseases including an emphasis on research studies or locating information on rare diseases and the requirements and limitations of conducting clinical trials with small patient populations. The expanded role of patient advocacy organizations and patient engagement in all aspects of clinical research continues to gain acceptance within the research community...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29202226/stretchable-ti3c2tx-mxene-carbon-nanotubes-composite-based-strain-sensor-with-ultrahigh-sensitivity-and-tunable-sensing-range
#12
Yichen Cai, Jie Shen, Gang Ge, Yizhou Zhang, Wanqin Jin, Wei Huang, Jinjun Shao, Jian Yang, Xiaochen Dong
It remains challenging to fabricate strain-sensing materials and exquisite geometric constructions for integrating extraordinary sensitivity, low strain detectability, high stretchability, tunable sensing range, thin device dimensions into a single type of strain sensor. A percolation network based on Ti3C2Tx MXene/carbon nanotubes (CNTs) composites was rationally designed and fabricated into versatile strain sensors. This weaving architecture with excellent electric properties combined the sensitive two-dimensional (2D) Ti3C2Tx MXene nanostacks with conductive and stretchable one-dimensional (1D) CNTs crossing...
December 4, 2017: ACS Nano
https://www.readbyqxmd.com/read/29196713/a-hybrid-strain-and-thermal-energy-harvester-based-on-an-infra-red-sensitive-er3-modified-poly-vinylidene-fluoride-ferroelectret-structure
#13
Sujoy Kumar Ghosh, Mengying Xie, Christopher Rhys Bowen, Philip R Davies, David J Morgan, Dipankar Mandal
In this paper, a novel infra-red (IR) sensitive Er3+ modified poly(vinylidene fluoride) (PVDF) (Er-PVDF) film is developed for converting both mechanical and thermal energies into useful electrical power. The addition of Er3+ to PVDF is shown to improve piezoelectric properties due to the formation of a self-polarized ferroelectric β-phase and the creation of an electret-like porous structure. In addition, we demonstrate that Er3+ acts to enhance heat transfer into the Er-PVDF film due to its excellent infrared absorbance, which, leads to rapid and large temperature fluctuations and improved pyroelectric energy transformation...
December 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29180909/wearable-cardioverter-defibrillators-for-the-prevention-of-sudden-cardiac-arrest-a-health-technology-assessment-and-patient-focus-group-study
#14
Sabine Ettinger, Michal Stanak, Piotr Szymański, Claudia Wild, Romana Tandara Haček, Darija Erčević, Renata Grenković, Mirjana Huić
Aim: To summarize the evidence on clinical effectiveness and safety of wearable cardioverter defibrillator (WCD) therapy for primary and secondary prevention of sudden cardiac arrest in patients at risk. Methods: We performed a systematic literature search in databases including MEDLINE via OVID, Embase, the Cochrane Library, and CRD (DARE, NHS-EED, HTA). The evidence obtained was summarized according to GRADE methodology. A health technology assessment (HTA) was conducted using the HTA Core Model® for rapid relative effectiveness assessment...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/29164773/recent-advances-in-flexible-stretchable-supercapacitors-for-wearable-electronics
#15
REVIEW
La Li, Zheng Lou, Di Chen, Kai Jiang, Wei Han, Guozhen Shen
The popularization of personalized wearable devices has accelerated the development of flexible/stretchable supercapacitors (SCs) that possess remarkable features of miniaturization, high security, and easy integration to build an all-in-one integrated system, and realize the functions of comfortable, noninvasive and continuous health monitoring, motion records, and information acquisition, etc. This Review presents a brief phylogeny of flexible/stretchable SCs, represented by planar micro-supercapacitors (MSCs) and 1D fibrous SCs...
November 22, 2017: Small
https://www.readbyqxmd.com/read/29164542/-vr-and-ar-applications-in-medical-practice-and-education
#16
Min-Chai Hsieh, Yu-Hsuan Lin
As technology advances, mobile devices have gradually turned into wearable devices. Furthermore, virtual reality (VR), augmented reality (AR), and mixed reality (MR) are being increasingly applied in medical fields such as medical education and training, surgical simulation, neurological rehabilitation, psychotherapy, and telemedicine. Research results demonstrate the ability of VR, AR, and MR to ameliorate the inconveniences that are often associated with traditional medical care, reduce incidents of medical malpractice caused by unskilled operations, and reduce the cost of medical education and training...
December 2017: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/29157447/the-usefulness-and-actual-use-of-wearable-devices-among-the-elderly-population
#17
Shwetambara Kekade, Chung-Ho Hseieh, Md Mohaimenul Islam, Suleman Atique, Abdulwahed Mohammed Khalfan, Yu-Chuan Li, Shabbir Syed Abdul
BACKGROUND AND OBJECTIVE: Elderly populations are more prone to diseases and need continuous monitoring of parameters to ensure good health. Wearable devices (WDs) can be helpful in the early detection and management of medical conditions. However, less is known about the use of currently available WDs among elderly populations. The objectives of this study were to determine the usefulness and actual use of wearable devices among the elderly population. METHODS: Our methodology was based on a systematic review and a survey questionnaire...
January 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29155557/wearable-nanoplasmonic-patch-detecting-sun-uv-exposure
#18
Jessica G Barajas-Carmona, Leydi Francisco-Aldana, Eden Morales-Narváez
Sun exposure is known to yield beneficial health outcomes, including synthesis of adequate levels of vitamin D, beneficial modulation of blood pressure and is a valuable factor in mental health care. However, the increasing incidence of sun/UV exposure-related illness, such as skin cancer, is seriously concerning public health authorities as well as the scientific community. Consequently, moderate sun/UV exposure is strongly recommended. A wearable nanoplasmonic patch whose original color changes upon sun exposure due to its UV-responsive capabilities that are visually detectable has been engineered...
November 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29152973/epidermal-microfluidic-electrochemical-detection-system-enhanced-sweat-sampling-and-metabolite-detection
#19
Aida Martin, Jayoung Kim, Jonas F Kurniawan, Juliane R Sempionatto, Jose R Moreto, Guangda Tang, Alan C Campbell, Andrew Shin, Min Yul Lee, Xiaofeng Liu, Joseph Wang
Despite tremendous recent efforts, non-invasive sweat monitoring is still far from delivering its early analytical promise. Here, we describe a flexible epidermal microfluidic detection platform fabricated through hybridization of lithographic and screen-printed technologies for efficient sweat sampling and continuous real-time electrochemical monitoring of sweat glucose and lactate levels. This soft, skin-mounted device judiciously merges lab-on-a-chip and electrochemical detection technologies, integrated with a miniaturized flexible electronic board for real-time wireless data transmission to a smart device...
November 20, 2017: ACS Sensors
https://www.readbyqxmd.com/read/29128285/prolonged-and-localized-sweat-stimulation-by-iontophoretic-delivery-of-the-slowly-metabolized-cholinergic-agent-carbachol
#20
Phillip Simmers, S Kevin Li, Gerald Kasting, Jason Heikenfeld
BACKGROUND: Continuous non-invasive sampling and sensing of multiple classes of analytes could revolutionize medical diagnostics and wearable technologies, but also remains highly elusive because of the many confounding factors for candidate biofluids such as interstitial fluid, tears, saliva, and sweat. Eccrine sweat biosensing has seen a recent surge in demonstrations of wearable sampling and sensing devices. However, for subjects at rest, access to eccrine sweat is highly limited and unpredictable compared to saliva and tears...
November 8, 2017: Journal of Dermatological Science
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