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Wearable health devices

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https://www.readbyqxmd.com/read/28212327/a-robust-random-forest-based-approach-for-heart-rate-monitoring-using-photoplethysmography-signal-contaminated-by-intense-motion-artifacts
#1
Yalan Ye, Wenwen He, Yunfei Cheng, Wenxia Huang, Zhilin Zhang
The estimation of heart rate (HR) based on wearable devices is of interest in fitness. Photoplethysmography (PPG) is a promising approach to estimate HR due to low cost; however, it is easily corrupted by motion artifacts (MA). In this work, a robust approach based on random forest is proposed for accurately estimating HR from the photoplethysmography signal contaminated by intense motion artifacts, consisting of two stages. Stage 1 proposes a hybrid method to effectively remove MA with a low computation complexity, where two MA removal algorithms are combined by an accurate binary decision algorithm whose aim is to decide whether or not to adopt the second MA removal algorithm...
February 16, 2017: Sensors
https://www.readbyqxmd.com/read/28212076/selecting-power-efficient-signal-features-for-a-low-power-fall-detector
#2
Changhong Wang, Stephen Redmond, Wei Lu, Michael Stevens, Stephen Lord, Nigel Lovell
Falls are a serious threat to the health of older people. A wearable fall detector can automatically detect the occurrence of a fall and alert a caregiver or an emergency response service so they may deliver immediate assistance, improving the chances of recovering from fall-related injuries. One constraint of such a wearable technology is its limited battery life. Thus, minimization of power consumption is an important design concern, all the while maintaining satisfactory accuracy of the fall detection algorithms implemented on the wearable device...
February 15, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28208839/interventions-for-preventing-childhood-obesity-with-smartphones-and-wearable-device-a-protocol-for-a-non-randomized-controlled-trial
#3
Hye Jung Yang, Jae-Heon Kang, Ok Hyun Kim, Mona Choi, Myungju Oh, Jihyun Nam, Eunju Sung
BACKGROUND: Childhood obesity is a critical health issue, both currently and for the foreseeable future. To prevent obesity, behavior changes are essential. Smartphones can be a good tool, as the number of child smartphone users is rapidly increasing. We have developed a mobile platform system named "HAPPY ME," which is a smartphone application coupled with a wearable device, designed to improve healthy behaviors to prevent childhood obesity. This study aimed to evaluate the effectiveness of obesity prevention among children 10-12 years of age using HAPPY ME...
February 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28193033/wearable-potentiometric-chloride-sweat-sensor-the-critical-role-of-the-salt-bridge
#4
Dong-Hoon Choi, Jin Seob Kim, Garry R Cutting, Peter C Searson
The components of sweat provide an array of potential biomarkers for health and disease. Sweat chloride is of interest as a biomarker for cystic fibrosis, electrolyte metabolism disorders, electrolyte balance, and electrolyte loss during exercise. Developing wearable sensors for biomarkers in sweat is a major technological challenge. Potentiometric sensors provide a relatively simple technology for on-body sweat chloride measurement, however, equilibration between reference and test solutions has limited the time over which accurate measurements can be made...
December 20, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/28155094/ethical-implications-of-user-perceptions-of-wearable-devices
#5
REVIEW
L H Segura Anaya, Abeer Alsadoon, N Costadopoulos, P W C Prasad
Health Wearable Devices enhance the quality of life, promote positive lifestyle changes and save time and money in medical appointments. However, Wearable Devices store large amounts of personal information that is accessed by third parties without user consent. This creates ethical issues regarding privacy, security and informed consent. This paper aims to demonstrate users' ethical perceptions of the use of Wearable Devices in the health sector. The impact of ethics is determined by an online survey which was conducted from patients and users with random female and male division...
February 2, 2017: Science and Engineering Ethics
https://www.readbyqxmd.com/read/28138532/printed-multifunctional-flexible-device-with-an-integrated-motion-sensor-for-health-care-monitoring
#6
Yuki Yamamoto, Shingo Harada, Daisuke Yamamoto, Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
Real-time health care monitoring may enable prediction and prevention of disease or improve treatment by diagnosing illnesses in the early stages. Wearable, comfortable, sensing devices are required to allow continuous monitoring of a person's health; other important considerations for this technology are device flexibility, low-cost components and processing, and multifunctionality. To address these criteria, we present a flexible, multifunctional printed health care sensor equipped with a three-axis acceleration sensor to monitor physical movement and motion...
November 2016: Science Advances
https://www.readbyqxmd.com/read/28129141/wearable-devices-for-sports-new-integrated-technologies-allow-coaches-physicians-and-trainers-to-better-understand-the-physical-demands-of-athletes-in-real-time
#7
Dhruv R Seshadri, Colin Drummond, John Craker, James R Rowbottom, James E Voos
Elite-level athletes and professional sports teams are continually searching for opportunities to improve athletic performance and gain a competitive advantage on the field. Advances in technology have provided new avenues to maximize player health and safety. Over the last decade, time?motion analysis systems, such as video recording and computer digitization, have been used to measure human locomotion and improve sports performance. While these techniques were state of the art at the time, their usefulness is inhibited by the questionable validity of the acquired data, the labor-intensive nature of collecting data with manual hand-notation techniques, and their inability to track athlete position, movement, displacement, and velocity...
January 2017: IEEE Pulse
https://www.readbyqxmd.com/read/28114076/a-multi-technique-reconfigurable-electrochemical-biosensor-enabling-personal-health-monitoring-in-mobile-devices
#8
Alexander Sun, A G Venkatesh, Drew A Hall
This paper describes the design and characterization of a reconfigurable, multi-technique electrochemical biosensor designed for direct integration into smartphone and wearable technologies to enable remote and accurate personal health monitoring. By repurposing components from one mode to the next, the biosensor's potentiostat is able reconfigure itself into three different measurements modes to perform amperometric, potentiometric, and impedance spectroscopic tests all with minimal redundant devices. A [Formula: see text] PCB prototype of the module was developed with discrete components and tested using Google's Project Ara modular smartphone...
September 26, 2016: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28113439/wearable-noncontact-armband-for-mobile-ecg-monitoring-system
#9
Vega Pradana Rachim, Wan-Young Chung
One of the best ways to obtain health information is from an electrocardiogram (ECG). Through an ECG, characteristics such as patients' heartbeats, heart conditions, and heart disease can be analyzed. Unfortunately, most available healthcare devices do not provide clinical data such as information regarding patients' heart activities. Many researchers have tried to solve this problem by inventing wearable heart monitoring systems with a chest strap or wristband, but their performances were not feasible for practical applications...
May 18, 2016: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28113209/dynamic-computation-offloading-for-low-power-wearable-health-monitoring-systems
#10
Haik Kalantarian, Costas Sideris, Bobak Mortazavi, Nabil Alshurafa, Majid Sarrafzadeh
OBJECTIVE: The objective of our work is to describe and evaluate an algorithm to reduce power usage and increase battery lifetime for wearable health-monitoring devices. METHODS: We describe a novel dynamic computation offloading scheme for real-time wearable health monitoring devices that adjusts the partitioning of data processing between the wearable device and mobile application as a function of desired classification accuracy. RESULTS: By making the correct offloading decision based on current system parameters, we show that we are able to reduce system power by as much as 20%...
May 18, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28113176/a-multi-technique-reconfigurable-electrochemical-biosensor-enabling-personal-health-monitoring-in-mobile-devices
#11
Alexander Sun, A G Venkatesh, Drew A Hall
This paper describes the design and characterization of a reconfigurable, multi-technique electrochemical biosensor designed for direct integration into smartphone and wearable technologies to enable remote and accurate personal health monitoring. By repurposing components from one mode to the next, the biosensor's potentiostat is able reconfigure itself into three different measurements modes to perform amperometric, potentiometric, and impedance spectroscopic tests all with minimal redundant devices. A [Formula: see text] PCB prototype of the module was developed with discrete components and tested using Google's Project Ara modular smartphone...
October 2016: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28113167/wearables-and-the-internet-of-things-for-health-wearable-interconnected-devices-promise-more-efficient-and-comprehensive-health-care
#12
David Metcalf, Sharlin T J Milliard, Melinda Gomez, Michael Schwartz
In our recent book Health-e Everything: Wearables and the Internet of Things for Health, we capture in an interactive e-book format some global thought-leader perspectives as well as early examples of case studies and novel innovations that are driving this emerging technology domain. Here, we provide a brief snapshot of key findings related to these novel technologies and use cases, which are driving both health care practitioners and health consumers (patients). As technologists, having a firm understanding of customer-driven innovation and the actual user benefits of interconnective devices for health will help us engineer better solutions that are more targeted to the triple aim of better, faster, and cheaper health solutions...
September 2016: IEEE Pulse
https://www.readbyqxmd.com/read/28106333/translating-precision
#13
EDITORIAL
Michael A Pacanowski
Precision medicine is based on a simple precept that deep information about an individual patient can be used to guide his or her health care. In the not-too-distant future, clinicians may have point-of-care access to an individual's entire genome, dense data captured from wearable devices, and informatics tools that aggregate data from clinical experience to allow for real-time decision support. The innovative technologies being developed in pursuit of precision medicine afford researchers and clinicians the opportunity to generate and consume information at an unprecedented scale...
January 20, 2017: Clinical and Translational Science
https://www.readbyqxmd.com/read/28100086/tracking-down-a-solution-exploring-the-acceptability-and-value-of-wearable-gps-devices-for-older-persons-individuals-with-a-disability-and-their-support-persons
#14
Brittany Williamson, Tammy Aplin, Desleigh de Jonge, Matthew Goyne
PURPOSE: To explore the acceptability and value of three wearable GPS devices for older persons and individuals with a disability and safety concerns when accessing the community. METHODS: This pilot study explored six wearers' and their support persons' experience of using three different wearable GPS devices (a pendant, watch, and mini GPS phone), each for a two-week period. RESULTS: Participants identified safety as the main value of using a wearable GPS device...
January 18, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28097627/adherence-with-physical-activity-monitoring-wearable-devices-in-a-community-based-population-observations-from-the-washington-d-c-cardiovascular-health-and-needs-assessment
#15
Leah R Yingling, Valerie Mitchell, Colby R Ayers, Marlene Peters-Lawrence, Gwenyth R Wallen, Alyssa T Brooks, James F Troendle, Joel Adu-Brimpong, Samantha Thomas, JaWanna Henry, Johnetta N Saygbe, Dana M Sampson, Allan A Johnson, Avis P Graham, Lennox A Graham, Kenneth L Wiley, Tiffany Powell-Wiley
Wearable mobile health (mHealth) technologies offer approaches for targeting physical activity (PA) in resource-limited, community-based interventions. We sought to explore user characteristics of PA tracking, wearable technology among a community-based population within a health and needs assessment. In 2014-2015, we conducted the Washington, D.C., Cardiovascular Health and Needs Assessment in predominantly African-American churches among communities with higher obesity rates and lower household incomes. Participants received a mHealth PA monitor and wirelessly uploaded PA data weekly to church data collection hubs...
January 17, 2017: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/28086890/feasibility-and-preliminary-efficacy-of-the-heyman-healthy-lifestyle-program-for-young-men-a-pilot-randomised-controlled-trial
#16
Lee M Ashton, Philip J Morgan, Melinda J Hutchesson, Megan E Rollo, Clare E Collins
BACKGROUND: In young men, unhealthy lifestyle behaviours can be detrimental to their physical and/or mental health and set them on a negative health trajectory into adulthood. Despite this, there is a lack of evidence to guide development of effective health behaviour change interventions for young men. This study assessed the feasibility and preliminary efficacy of the 'HEYMAN' (Harnessing Ehealth to enhance Young men's Mental health, Activity and Nutrition) healthy lifestyle program for young men...
January 13, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28081144/digital-health-tracking-physiomes-and-activity-using-wearable-biosensors-reveals-useful-health-related-information
#17
Xiao Li, Jessilyn Dunn, Denis Salins, Gao Zhou, Wenyu Zhou, Sophia Miryam Schüssler-Fiorenza Rose, Dalia Perelman, Elizabeth Colbert, Ryan Runge, Shannon Rego, Ria Sonecha, Somalee Datta, Tracey McLaughlin, Michael P Snyder
A new wave of portable biosensors allows frequent measurement of health-related physiology. We investigated the use of these devices to monitor human physiological changes during various activities and their role in managing health and diagnosing and analyzing disease. By recording over 250,000 daily measurements for up to 43 individuals, we found personalized circadian differences in physiological parameters, replicating previous physiological findings. Interestingly, we found striking changes in particular environments, such as airline flights (decreased peripheral capillary oxygen saturation [SpO2] and increased radiation exposure)...
January 2017: PLoS Biology
https://www.readbyqxmd.com/read/28080048/wearable-sensors-for-personal-monitoring-and-estimation-of-inhaled-traffic-related-air-pollution-evaluation-of-methods
#18
Evi Dons, Michelle Laeremans, Juan Pablo Orjuela, Ione Avila-Palencia, Glòria Carrasco-Turigas, Tom Cole-Hunter, Esther Anaya-Boig, Arnout Standaert, Patrick De Boever, Tim Nawrot, Thomas Götschi, Audrey de Nazelle, Mark Nieuwenhuijsen, Luc Int Panis
Physical activity and ventilation rates have an effect on an individual's dose and may be important to consider in exposure-response relationships; however, these factors are often ignored in environmental epidemiology studies. The aim of this study was to evaluate methods of estimating the inhaled dose of air pollution and understand variability in the absence of a true gold standard metric. Five types of methods were identified: (1) methods using (physical) activity types, (2) methods based on energy expenditure, METs (metabolic equivalents of task), and oxygen consumption, (3) methods based on heart rate or (4) breathing rate, and (5) methods that combine heart and breathing rate...
January 27, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28076861/potential-applications-of-smart-multifunctional-wearable-materials-to-gerontology
#19
David G Armstrong, Bijan Najafi, Mohsen Shahinpoor
Smart multifunctional materials can play a constructive role in addressing some very important aging-related issues. Aging affects the ability of older adults to continue to live safely and economically in their own residences for as long as possible. Thus, there will be a greater need for preventive, acute, rehabilitative, and long-term health care services for older adults as well as a need for tools to enable them to function independently during daily activities. The objective of this paper is, thus, to present a comprehensive review of some potential smart materials and their areas of applications to gerontology...
January 12, 2017: Gerontology
https://www.readbyqxmd.com/read/28071895/flexible-cuttable-and-self-waterproof-bending-strain-sensors-using-microcracked-gold-nanofilms-paper-substrate
#20
Xinqin Liao, Zheng Zhang, Qijie Liang, Qingliang Liao, Yue Zhang
Rapid advances in functional sensing electronics place tremendous demands on innovation toward creative uses of versatile advanced materials and effective designs of device structures. Here, we first report a feasible and effective fabrication strategy to integrate commercial abrasive papers with microcracked gold (Au) nanofilms to construct cuttable and self-waterproof crack-based resistive bending strain sensors. Via introducing surface microstructures, the sensitivities of the bending strain sensors are greatly enhanced by 27 times than that of the sensors without surface microstructures, putting forward an alternative suggestion for other flexible electronics to improve their performances...
February 1, 2017: ACS Applied Materials & Interfaces
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