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Wearable health devices

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https://www.readbyqxmd.com/read/28901746/a-lab-on-skin-a-review-of-flexible-and-stretchable-electronics-for-wearable-health-monitoring
#1
Yuhao Liu, Matt Pharr, Giovanni Antonio Salvatore
Skin is the largest organ of the human body, and it offers a diagnostic interface rich with vital biological signals from the inner organs, blood vessels, muscles, and dermis/epidermis. Soft, flexible, and stretchable electronic devices provide a novel platform to interface with soft tissues for robotic feedback and control, regenerative medicine, and continuous health monitoring. Here, we introduce the term "lab-on-skin" to describe a set of electronic devices that have physical properties, such as thickness, thermal mass, elastic modulus, and water-vapor permeability, which resemble those of the skin...
September 13, 2017: ACS Nano
https://www.readbyqxmd.com/read/28890355/impact-of-a-workplace-physical-activity-tracking-program-on-biometric-health-outcomes
#2
Jiani Yu, Jean M Abraham, Bryan Dowd, Lucas F Higuera, John A Nyman
Wellness programs are a popular strategy utilized by large U.S. employers. As mobile health applications and wearable tracking devices increase in prevalence, many employers now offer physical activity tracking applications. This longitudinal study evaluates the impact of engagement with a web-based, physical activity tracking program on changes in individuals' biometric outcomes in an employer population. The study population includes active employees and adult dependents continuously enrolled in an eligible health plan and who have completed at least two biometric screenings (n=36,882 person-years with 11,436 unique persons) between 2011 and 2014...
September 8, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28887351/using-predictive-analytics-and-big-data-to-optimize-pharmaceutical-outcomes
#3
Inmaculada Hernandez, Yuting Zhang
PURPOSE: The steps involved, the resources needed, and the challenges associated with applying predictive analytics in healthcare are described, with a review of successful applications of predictive analytics in implementing population health management interventions that target medication-related patient outcomes. SUMMARY: In healthcare, the term big data typically refers to large quantities of electronic health record, administrative claims, and clinical trial data as well as data collected from smartphone applications, wearable devices, social media, and personal genomics services; predictive analytics refers to innovative methods of analysis developed to overcome challenges associated with big data, including a variety of statistical techniques ranging from predictive modeling to machine learning to data mining...
September 15, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28838886/smartphone-enabled-health-coaching-intervention-imove-to-promote-long-term-maintenance-of-physical-activity-in-breast-cancer-survivors-protocol-for-a-feasibility-pilot-randomized-controlled-trial
#4
Paul Ritvo, Maya Obadia, Daniel Santa Mina, Shabbir Alibhai, Catherine Sabiston, Paul Oh, Kristin Campbell, David McCready, Leslie Auger, Jennifer Michelle Jones
BACKGROUND: Although physical activity has been shown to contribute to long-term disease control and health in breast cancer survivors, a majority of breast cancer survivors do not meet physical activity guidelines. Past research has focused on promoting physical activity components for short-term breast cancer survivor benefits, but insufficient attention has been devoted to long-term outcomes and sustained exercise adherence. We are assessing a health coach intervention (iMOVE) that uses mobile technology to increase and sustain physical activity maintenance in initially inactive breast cancer survivors...
August 24, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28837773/wearable-electrocardiogram-monitor-using-carbon-nanotube-electronics-and-color-tunable-organic-light-emitting-diodes
#5
Ja Hoon Koo, Seongjin Jeong, Hyung Joon Shim, Donghee Son, Jaemin Kim, Dong Chan Kim, Suji Choi, Jong-In Hong, Dae-Hyeong Kim
With the rapid advances in wearable electronics, the research on carbon-based and/or organic materials and devices has become increasingly important, owing to their advantages in terms of cost, weight, and mechanical deformability. Here, we report an effective material and device design for an integrative wearable cardiac monitor based on carbon nanotube (CNT) electronics and voltage-dependent color-tunable organic light-emitting diodes (CTOLEDs). A p-MOS inverter based on four CNT transistors allows high amplification and thereby successful acquisition of the electrocardiogram (ECG) signals...
August 28, 2017: ACS Nano
https://www.readbyqxmd.com/read/28835518/a-lower-extremity-exoskeleton-improves-knee-extension-in-children-with-crouch-gait-from-cerebral-palsy
#6
Zachary F Lerner, Diane L Damiano, Thomas C Bulea
The ability to walk contributes considerably to physical health and overall well-being, particularly in children with motor disability, and is therefore prioritized as a rehabilitation goal. However, half of ambulatory children with cerebral palsy (CP), the most prevalent childhood movement disorder, cease to walk in adulthood. Robotic gait trainers have shown positive outcomes in initial studies, but these clinic-based systems are limited to short-term programs of insufficient length to maintain improved function in a lifelong disability such as CP...
August 23, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28829323/channel-deviation-based-power-control-in-body-area-networks
#7
Son Dinh Van, Simon L Cotton, David B Smith
Internet enabled body area networks (BANs) will form a core part of future remote health monitoring and Ambient Assisted Living (AAL) technology. In BAN applications, due to the dynamic nature of human activity, the off-body BAN channel can be prone to deep fading caused by body shadowing and multipath fading. Using this knowledge, we present some novel practical adaptive power control protocols based on the channel deviation to simultaneously prolong the lifetime of wearable devices and reduce outage probability...
August 18, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28800221/graphene-paper-pressure-sensor-for-detecting-human-motions
#8
Lu-Qi Tao, Kun-Ning Zhang, He Tian, Ying Liu, Dan-Yang Wang, Yuan-Quan Chen, Yi Yang, Tian-Ling Ren
The pressure sensors should have an excellent sensitivity in the range of 0-20kPa when applied in wearable applications. Traditional pressure sensors can't achieve both a high sensitivity and a large working range simultaneously, which results to their limited applications in wearable fields. There is an urgent need to develop a pressure sensor to make a breakthrough in both sensitivity and working range. In this paper, a graphene-paper pressure sensor which shows excellent performance in the range of 0-20kPa is proposed...
August 11, 2017: ACS Nano
https://www.readbyqxmd.com/read/28783651/automatic-recognition-of-activities-of-daily-living-utilizing-insole-based-and-wrist-worn-wearable-sensors
#9
Nagaraj Hegde, Matthew Bries, Tracy Swibas, Edward Melanson, Edward Sazonov
Automatic recognition of activities of daily living (ADL) is an important component in understanding of energy balance, quality of life and other areas of health and well-being. In our previous work, we had proposed an insole based activity monitor - SmartStep, designed to be socially acceptable and comfortable. The goals of the current study were: first, validation of SmartStep in recognition of a broad set of ADL; second, comparison of the SmartStep to a wrist sensor and testing these in combination; third, evaluation of SmartStep accuracy in measuring wear non-compliance and a novel activity class (driving); fourth, performing the validation in free living against a well-studied criterion measure (ActivPAL, PAL Technologies); and fifth, quantitative evaluation of the perceived comfort of SmartStep...
August 1, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28782353/a-self-powered-wearable-noninvasive-electronic-skin-for-perspiration-analysis-based-on-piezo-biosensing-unit-matrix-of-enzyme-zno-nanoarrays
#10
Wuxiao Han, Haoxuan He, Linlin Zhang, Chuanyi Dong, Hui Zeng, Yitong Dai, Lili Xing, Yan Zhang, Xinyu Xue
The emerging multifunctional flexible electronic-skin for establishing body-electric interaction can enable real-time monitoring of personal health status as a new personalized medicine technique. A key difficulty in the device design is the flexible power supply. Here a self-powered wearable noninvasive electronic-skin for perspiration analysis has been realized on the basis of a piezo-biosensing unit matrix of enzyme/ZnO nanoarrays. The electronic-skin can detect lactate, glucose, uric acid, and urea in the perspiration, and no outside electrical power supply or battery is used in the biosensing process...
August 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28761162/hearables-multimodal-physiological-in-ear-sensing
#11
Valentin Goverdovsky, Wilhelm von Rosenberg, Takashi Nakamura, David Looney, David J Sharp, Christos Papavassiliou, Mary J Morrell, Danilo P Mandic
Future health systems require the means to assess and track the neural and physiological function of a user over long periods of time, and in the community. Human body responses are manifested through multiple, interacting modalities - the mechanical, electrical and chemical; yet, current physiological monitors (e.g. actigraphy, heart rate) largely lack in cross-modal ability, are inconvenient and/or stigmatizing. We address these challenges through an inconspicuous earpiece, which benefits from the relatively stable position of the ear canal with respect to vital organs...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28747154/the-interplay-between-individual-social-behavior-and-clinical-symptoms-in-small-clustered-groups
#12
Piero Poletti, Roberto Visintainer, Bruno Lepri, Stefano Merler
BACKGROUND: Mixing patterns of human populations play a crucial role in shaping the spreading paths of infectious diseases. The diffusion of mobile and wearable devices able to record close proximity interactions represents a great opportunity for gathering detailed data on social interactions and mixing patterns in human populations. The aim of this study is to investigate how social interactions are affected by the onset of symptomatic conditions and to what extent the heterogeneity in human behavior can reflect a different risk of infection...
July 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28743682/estimating-heart-rate-energy-expenditure-and-physical-performance-with-a-wrist-photoplethysmographic-device-during-running
#13
Jakub Parak, Maria Uuskoski, Jan Machek, Ilkka Korhonen
BACKGROUND: Wearable sensors enable long-term monitoring of health and wellbeing indicators. An objective evaluation of sensors' accuracy is important, especially for their use in health care. OBJECTIVE: The aim of this study was to use a wrist-worn optical heart rate (OHR) device to estimate heart rate (HR), energy expenditure (EE), and maximal oxygen intake capacity (VO2Max) during running and to evaluate the accuracy of the estimated parameters (HR, EE, and VO2Max) against golden reference methods...
July 25, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28737748/inflammation-free-gas-permeable-lightweight-stretchable-on-skin-electronics-with-nanomeshes
#14
Akihito Miyamoto, Sungwon Lee, Nawalage Florence Cooray, Sunghoon Lee, Mami Mori, Naoji Matsuhisa, Hanbit Jin, Leona Yoda, Tomoyuki Yokota, Akira Itoh, Masaki Sekino, Hiroshi Kawasaki, Tamotsu Ebihara, Masayuki Amagai, Takao Someya
Thin-film electronic devices can be integrated with skin for health monitoring and/or for interfacing with machines. Minimal invasiveness is highly desirable when applying wearable electronics directly onto human skin. However, manufacturing such on-skin electronics on planar substrates results in limited gas permeability. Therefore, it is necessary to systematically investigate their long-term physiological and psychological effects. As a demonstration of substrate-free electronics, here we show the successful fabrication of inflammation-free, highly gas-permeable, ultrathin, lightweight and stretchable sensors that can be directly laminated onto human skin for long periods of time, realized with a conductive nanomesh structure...
September 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28729003/the-effects-of-an-activity-promotion-system-on-active-living-in-overweight-subjects-with-metabolic-abnormalities
#15
Ya-Ping Yang, Chi-Jane Wang, Jing-Jy Wang, Che-Wei Lin, Ya-Ting Carolyn Yang, Jeen-Shing Wang, Yen Kuang Yang, Yi-Ching Yang
OBJECTIVES: The aim of this study is to examine the effects of Activity Promotion System (APs) on promoting physical activity (PA) for overweight subjects with metabolic abnormalities. METHODS: We designed a six-month randomised controlled trial with a cross-over design, and recruited 53 subjects. Subjects in group A used APs with a wearable device measuring whole-day PA, including sleep time, sedentary, light, moderate and vigorous PA and a web-based feedback system in the first three months and followed by usual care with traditional health education in the next three months...
July 17, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28723207/wearable-flexible-and-multifunctional-healthcare-device-with-an-isfet-chemical-sensor-for-simultaneous-sweat-ph-and-skin-temperature-monitoring
#16
Shogo Nakata, Takayuki Arie, Seiji Akita, Kuniharu Takei
Real-time daily healthcare monitoring may increase the chances of predicting and diagnosing diseases in their early stages which, currently, occurs most frequently during medical check-ups. Next-generation noninvasive healthcare devices, such as flexible multifunctional sensor sheets designed to be worn on skin, are considered to be highly suitable candidates for continuous real-time health monitoring. For healthcare applications, acquiring data on the chemical state of the body, alongside physical characteristics such as body temperature and activity, are extremely important for predicting and identifying potential health conditions...
March 24, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28721726/3d-printed-earable-smart-devices-for-real-time-detection-of-core-body-temperature
#17
Hiroki Ota, Minghan Chao, Yuji Gao, Eric Wu, Li-Chia Tai, Kevin Chen, Yasutomo Matsuoka, Kosuke Iwai, Hossain M Fahad, Wei Gao, Hnin Yin Yin Nyein, Liwei Lin, Ali Javey
Real-time detection of basic physiological parameters such as blood pressure and heart rate is an important target in wearable smart devices for healthcare. Among these, the core body temperature is one of the most important basic medical indicators of fever, insomnia, fatigue, metabolic functionality, and depression. However, traditional wearable temperature sensors are based upon the measurement of skin temperature, which can vary dramatically from the true core body temperature. Here, we demonstrate a three-dimensional (3D) printed wearable "earable" smart device that is designed to be worn on the ear to track core body temperature from the tympanic membrane (i...
July 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28714239/self-powered-real-time-arterial-pulse-monitoring-using-ultrathin-epidermal-piezoelectric-sensors
#18
Dae Yong Park, Daniel J Joe, Dong Hyun Kim, Hyewon Park, Jae Hyun Han, Chang Kyu Jeong, Hyelim Park, Jung Gyu Park, Boyoung Joung, Keon Jae Lee
Continuous monitoring of an arterial pulse using a pressure sensor attached on the epidermis is an important technology for detecting the early onset of cardiovascular disease and assessing personal health status. Conventional pulse sensors have the capability of detecting human biosignals, but have significant drawbacks of power consumption issues that limit sustainable operation of wearable medical devices. Here, a self-powered piezoelectric pulse sensor is demonstrated to enable in vivo measurement of radial/carotid pulse signals in near-surface arteries...
July 17, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28714112/wearables-in-epilepsy-and-parkinson-s-disease-a-focus-group-study
#19
A Ozanne, D Johansson, U Hällgren Graneheim, K Malmgren, F Bergquist, M Alt Murphy
OBJECTIVES: Wearable sensors that measure movement and physiological variables are attractive for clinical evaluation of neurological diseases such as epilepsy and Parkinson's disease (PD). The aim of this study was to explore perceptions regarding the use of wearable technology in disease monitoring and management as reported by individuals with epilepsy and Parkinson's disease as well as health professionals working with these patient groups. MATERIALS AND METHODS: Six patient groups (n=25) and two groups with health professionals (n=15) participated in this qualitative, descriptive study with focus group interviews...
July 16, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28705994/wearable-brain-imaging-with-multi-modal-physiological-recording
#20
Gary E Strangman, Vladimir Ivkovic, Quan Zhang
The brain is a central component of cognitive and physical human performance. Measures including functional brain activation, cerebral perfusion, cerebral oxygenation, evoked electrical responses, and resting hemodynamic and electrical activity are all related to, or can predict health status or performance decrements. However, measuring brain physiology typically requires large, stationary machines that are not suitable for mobile or self-monitoring. Moreover, when individuals are ambulatory, systemic physiological fluctuations-e...
July 13, 2017: Journal of Applied Physiology
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