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Wearable health devices

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https://www.readbyqxmd.com/read/28737748/inflammation-free-gas-permeable-lightweight-stretchable-on-skin-electronics-with-nanomeshes
#1
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...
July 17, 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
#2
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
#3
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
#4
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 19, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28714239/self-powered-real-time-arterial-pulse-monitoring-using-ultrathin-epidermal-piezoelectric-sensors
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/28698501/energy-harvesting-based-body-area-networks-for-smart-health
#8
Yixue Hao, Limei Peng, Huimin Lu, Mohammad Mehedi Hassan, Atif Alamri
Body area networks (BANs) are configured with a great number of ultra-low power consumption wearable devices, which constantly monitor physiological signals of the human body and thus realize intelligent monitoring. However, the collection and transfer of human body signals consume energy, and considering the comfort demand of wearable devices, both the size and the capacity of a wearable device's battery are limited. Thus, minimizing the energy consumption of wearable devices and optimizing the BAN energy efficiency is still a challenging problem...
July 10, 2017: Sensors
https://www.readbyqxmd.com/read/28679694/understanding-physical-activity-in-cancer-patients-and-survivors-new-methodology-new-challenges-and-new-opportunities
#9
REVIEW
Jennifer A Schrack, Gillian Gresham, Amal A Wanigatunga
Since the early 1990s, accumulating evidence has suggested that regular, sustained participation in physical activity may help prevent the onset and development of certain types of cancer. Given the worldwide incidence and prevalence of cancer, there is increasing interest in physical activity as a nonpharmacological intervention and prevention method. Moreover, the effectiveness of new and improved cancer therapies has also increased interest in the potential health benefits of physical activity during and after treatment...
July 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28678697/in-ear-audio-wearable-measurement-of-heart-and-breathing-rates-for-health-and-safety-monitoring
#10
Alexis Martin, Jeremie Voix
OBJECTIVE: This paper examines the integration of a non-invasive vital sign monitoring feature into the workers' hearing protection devices (HPDs) by using a microphone positioned within the earcanal under the HPD. METHODS: 25 test-subjects were asked to breathe at various rhythms and intensities and these realistic sound events were recorded in the earcanal. Digital signal processing algorithms were then developed to assess heart and breathing rates. Finally, to test the robustness of theses algorithms in noisy work environments, industrial noise was added to the in-ear recorded signals and an adaptive denoising filter was used...
June 27, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28676201/a-novel-wearable-device-for-continuous-non-invasion-blood-pressure-measurement
#11
Qin Xin, Jianping Wu
In this paper, we have developed a wearable cuffless device for daily blood pressure (BP) measurement. We incorporated the light based sensor and other hard wares in a small volume for BP detection. With optimized algorithm, the real-time BP reading could be achieved, the data could be presented in the screen and be transmitted by internet of things (IoT) for history data comparison and multi-terminal viewing. Thus, further analysis provides the probability for diet or sports suggestion and alarm. We have measured BP from more than 60 subjects, compare to traditional mercury blood pressure meter, no obvious error in both systolic blood pressure (SBP) and diastolic blood pressure (DBP) are detected...
May 19, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28661047/efficient-skin-temperature-sensor-and-stable-gel-less-sticky-ecg-sensor-for-a-wearable-flexible-healthcare-patch
#12
Yuki Yamamoto, Daisuke Yamamoto, Makoto Takada, Hiroyoshi Naito, Takayuki Arie, Seiji Akita, Kuniharu Takei
Wearable, flexible healthcare devices, which can monitor health data to predict and diagnose disease in advance, benefit society. Toward this future, various flexible and stretchable sensors as well as other components are demonstrated by arranging materials, structures, and processes. Although there are many sensor demonstrations, the fundamental characteristics such as the dependence of a temperature sensor on film thickness and the impact of adhesive for an electrocardiogram (ECG) sensor are yet to be explored in detail...
June 29, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28659255/mobile-device-accuracy-for-step-counting-across-age-groups
#13
François Modave, Yi Guo, Jiang Bian, Matthew J Gurka, Alice Parish, Megan D Smith, Alexandra M Lee, Thomas W Buford
BACKGROUND: Only one in five American meets the physical activity recommendations of the Department of Health and Human Services. The proliferation of wearable devices and smartphones for physical activity tracking has led to an increasing number of interventions designed to facilitate regular physical activity, in particular to address the obesity epidemic, but also for cardiovascular disease patients, cancer survivors, and older adults. However, the inconsistent findings pertaining to the accuracy of wearable devices for step counting needs to be addressed, as well as factors known to affect gait (and thus potentially impact accuracy) such as age, body mass index (BMI), or leading arm...
June 28, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28652228/a-community-based-physical-activity-counselling-program-for-people-with-knee-osteoarthritis-feasibility-and-preliminary-efficacy-of-the-track-oa-study
#14
Linda C Li, Eric C Sayre, Hui Xie, Cam Clayton, Lynne M Feehan
BACKGROUND: Physical activity can improve health outcomes in people with knee osteoarthritis (OA); however, participation in physical activity is very low in this population. OBJECTIVE: The objective of our study was to assess the feasibility and preliminary efficacy of the use of wearables (Fitbit Flex) and telephone counselling by a physical therapist (PT) for improving physical activity in people with a physician-confirmed diagnosis of knee OA, or who have passed 2 validated criteria for early OA...
June 26, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28647844/digital-health-technologies-to-promote-lifestyle-change-and-adherence
#15
REVIEW
Numan Khan, Francoise A Marvel, Jane Wang, Seth S Martin
Cardiovascular disease is the leading cause of morbidity and mortality worldwide with an estimated 17.5 million deaths annually, or 31% of all global deaths, according to the World Health Organization. The majority of these deaths are preventable by addressing lifestyle modification (i.e., smoking cessation, diet, obesity, and physical inactivity) and promoting medication adherence. At present, initiatives to develop cost-effective modalities to support self-management, lifestyle modification, and medication adherence are a leading priority...
August 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28638834/personalized-consent-flow-in-contemporary-data-sharing-for-medical-research-a-viewpoint
#16
Ester A Rake, Marleen M H J van Gelder, David C Grim, Barend Heeren, Lucien J L P G Engelen, Tom H van de Belt
BACKGROUND: Health data personally collected by individuals with wearable devices and smartphones is becoming an important data source for healthcare, but also for medical research. OBJECTIVE: To describe a new consent model that allows people to control their personally collected health data and determine to what extent they want to share these for research purposes. METHODS: We developed, in close collaboration with patients, researchers, healthcare professionals, privacy experts, and an accredited Medical Ethical Review Committee, an innovative concept called "personalized consent flow" within a research platform connected to a personal health record...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28633564/energy-harvesting-from-the-animal-human-body-for-self-powered-electronics
#17
Canan Dagdeviren, Zhou Li, Zhong Lin Wang
Living subjects (i.e., humans and animals) have abundant sources of energy in chemical, thermal, and mechanical forms. The use of these energies presents a viable way to overcome the battery capacity limitation that constrains the long-term operation of wearable/implantable devices. The intersection of novel materials and fabrication techniques offers boundless possibilities for the benefit of human health and well-being via various types of energy harvesters. This review summarizes the existing approaches that have been demonstrated to harvest energy from the bodies of living subjects for self-powered electronics...
June 21, 2017: Annual Review of Biomedical Engineering
https://www.readbyqxmd.com/read/28628594/telehealth-wearable-sensors-and-the-internet-will-they-improve-stroke-outcomes-through-increased-intensity-of-therapy-motivation-and-adherence-to-rehabilitation-programs
#18
Jane H Burridge, Alan Chong W Lee, Ruth Turk, Maria Stokes, Jill Whitall, Ravi Vaidyanathan, Phil Clatworthy, Ann-Marie Hughes, Claire Meagher, Enrico Franco, Lucy Yardley
BACKGROUND AND PURPOSE: Stroke, predominantly a condition of older age, is a major cause of acquired disability in the global population and puts an increasing burden on health care resources. Clear evidence for the importance of intensity of therapy in optimizing functional outcomes is found in animal models, supported by neuroimaging and behavioral research, and strengthened by recent meta-analyses from multiple clinical trials. However, providing intensive therapy using conventional treatment paradigms is expensive and sometimes not feasible because of social and environmental factors...
July 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28622499/the-measure-of-a-man
#19
Neil Savage
Moving beyond simple fitness tracking, wearable devices may soon offer opportunities for monitoring health and bring vast amounts of new data to the study of human diseases.
June 15, 2017: Cell
https://www.readbyqxmd.com/read/28618158/a-fitbit-and-facebook-mhealth-intervention-for-promoting-physical-activity-among-adolescent-and-young-adult-childhood-cancer-survivors-a-pilot-study
#20
Jason A Mendoza, K Scott Baker, Megan A Moreno, Kathryn Whitlock, Mark Abbey-Lambertz, Alan Waite, Trina Colburn, Eric J Chow
BACKGROUND: Physical activity (PA) may be important for preventing chronic diseases for adolescent and young adult (AYA) childhood cancer survivors. Randomized controlled trials (RCTs) of PA interventions for AYA survivors are sparse, but necessary to determine effective programs for increasing PA among this population. Thus, we conducted a pilot RCT, testing the feasibility of a mobile health (mHealth) intervention to promote PA among AYA survivors. PROCEDURE: We recruited 14- to 18-year-olds who were ≥1-year post cancer therapy from Seattle Children's Hospital...
June 15, 2017: Pediatric Blood & Cancer
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