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https://www.readbyqxmd.com/read/28208787/a-web-of-things-based-emerging-sensor-network-architecture-for-smart-control-systems
#1
Murad Khan, Bhagya Nathali Silva, Kijun Han
The Web of Things (WoT) plays an important role in the representation of the objects connected to the Internet of Things in a more transparent and effective way. Thus, it enables seamless and ubiquitous web communication between users and the smart things. Considering the importance of WoT, we propose a WoT-based emerging sensor network (WoT-ESN), which collects data from sensors, routes sensor data to the web, and integrate smart things into the web employing a representational state transfer (REST) architecture...
February 9, 2017: Sensors
https://www.readbyqxmd.com/read/28208694/novel-hierarchical-fall-detection-algorithm-using-a-multiphase-fall-model
#2
Chia-Yeh Hsieh, Kai-Chun Liu, Chih-Ning Huang, Woei-Chyn Chu, Chia-Tai Chan
Falls are the primary cause of accidents for the elderly in the living environment. Reducing hazards in the living environment and performing exercises for training balance and muscles are the common strategies for fall prevention. However, falls cannot be avoided completely; fall detection provides an alarm that can decrease injuries or death caused by the lack of rescue. The automatic fall detection system has opportunities to provide real-time emergency alarms for improving the safety and quality of home healthcare services...
February 8, 2017: Sensors
https://www.readbyqxmd.com/read/28208672/assessing-human-activity-in-elderly-people-using-non-intrusive-load-monitoring
#3
José M Alcalá, Jesús Ureña, Álvaro Hernández, David Gualda
The ageing of the population, and their increasing wish of living independently, are motivating the development of welfare and healthcare models. Existing approaches based on the direct heath-monitoring using body sensor networks (BSN) are precise and accurate. Nonetheless, their intrusiveness causes non-acceptance. New approaches seek the indirect monitoring through monitoring activities of daily living (ADLs), which proves to be a suitable solution. ADL monitoring systems use many heterogeneous sensors, are less intrusive, and are less expensive than BSN, however, the deployment and maintenance of wireless sensor networks (WSN) prevent them from a widespread acceptance...
February 11, 2017: Sensors
https://www.readbyqxmd.com/read/28202651/naturalistic-path-integration-of-cataglyphis-desert-ants-on-an-air-cushioned-lightweight-spherical-treadmill
#4
Hansjürgen Dahmen, Verena L Wahl, Sarah E Pfeffer, Hanspeter A Mallot, Matthias Wittlinger
Air-cushioned spheres are widely used as treadmills to study behavioural and neurophysiological questions in numerous species. We describe an improved spherical treadmill design that reliably registers the path and walking behaviour of an animal walking on top of the sphere. The simple and robust set-up consists of a very light hollowed styrofoam ball supported by an air stream in a hollow half sphere and can be used indoors and outdoors. Two optical mouse sensors provided with lenses of 4.6 mm focal length detect the motion of the sphere with a temporal resolution of more than 200 frames s(-1) and a spatial resolution of less than 0...
February 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28190507/best-practices-in-early-phase-medical-device-development-engineering-prototyping-and-the-beginnings-of-a-quality-management-system
#5
Kristy Fearis, Aidan Petrie
Kristy Fearis is the founder and president of KPConsulting. She has held various positions in the medical device and research industry. She has led programs for medical industry leaders Medtronic, Edward Lifesciences, and Kimberly-Clark Healthcare to develop and commercialize Class II and III devices. Although a true quality management systems specialist at heart, Kristy has a passion for effectively and efficiently applying quality systems principles to early stage development to maximize benefit while minimizing impact on resources and time to market...
March 2017: Surgery
https://www.readbyqxmd.com/read/28187881/a-clinical-decision-making-mechanism-for-context-aware-and-patient-specific-remote-monitoring-systems-using-the-correlations-of-multiple-vital-signs
#6
Abdur Rahim Mohammad Forkan, Ibrahim Khalil
BACKGROUND AND OBJECTIVES: In home-based context-aware monitoring patient's real-time data of multiple vital signs (e.g. heart rate, blood pressure) are continuously generated from wearable sensors. The changes in such vital parameters are highly correlated. They are also patient-centric and can be either recurrent or can fluctuate. The objective of this study is to develop an intelligent method for personalized monitoring and clinical decision support through early estimation of patient-specific vital sign values, and prediction of anomalies using the interrelation among multiple vital signs...
February 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28183323/the-tech-home-study-a-technological-intervention-to-reduce-caregiver-burden-for-informal-caregivers-of-people-with-dementia-study-protocol-for-a-randomized-controlled-trial
#7
Agneta Malmgren Fänge, Steven M Schmidt, Maria H Nilsson, Gunilla Carlsson, Anna Liwander, Caroline Dahlgren Bergström, Paolo Olivetti, Per Johansson, Carlos Chiatti
BACKGROUND: It is estimated that global dementia rates will more than triple by 2050 and result in a staggering economic burden on families and societies. Dementia carries significant physical, psychological and social challenges for individuals and caregivers. Informal caregiving is common and increasing as more people with dementia are being cared for at home instead of in nursing homes. Caregiver burden is associated with lower perceived health, lower social coherence, and increased risk of morbidity and mortality...
February 9, 2017: Trials
https://www.readbyqxmd.com/read/28176828/cognitive-impairment-categorized-in-community-dwelling-older-adults-with-and-without-dementia-using-in-home-sensors-that-recognise-activities-of-daily-living
#8
Prabitha Urwyler, Reto Stucki, Luca Rampa, René Müri, Urs P Mosimann, Tobias Nef
Cognitive impairment due to dementia decreases functionality in Activities of Daily Living (ADL). Its assessment is useful to identify care needs, risks and monitor disease progression. This study investigates differences in ADL pattern-performance between dementia patients and healthy controls using unobtrusive sensors. Around 9,600 person-hours of activity data were collected from the home of ten dementia patients and ten healthy controls using a wireless-unobtrusive sensors and analysed to detect ADL. Recognised ADL were visualized using activity maps, the heterogeneity and accuracy to discriminate patients from healthy were analysed...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28176431/comparison-between-clinical-gait-and-daily-life-gait-assessments-of-fall-risk-in-older-people
#9
Matthew A Brodie, Milou J Coppens, Andreas Ejupi, Yves J Gschwind, Janneke Annegarn, Daniel Schoene, Rainer Wieching, Stephen R Lord, Kim Delbaere
AIM: Falls are a leading cause of disability in older people. Here we investigate if daily-life gait assessments are better than clinical gait assessments at discriminating between older people with and without a history of falls. METHODS: A total of 96 independent-living participants (age 75.5 ± 7.8) underwent sensorimotor, psychological and cognitive assessments, and the Timed Up and Go and 10-m walk tests. Participants wore a small pendant sensor device for a week in their home environment, from which the new remote assessments of daily-life gait were determined...
February 8, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28165382/real-time-apnoea-monitoring-of-children-using-the-microsoft-kinect-sensor-a-pilot-study
#10
Ali Al-Naji, Kim Gibson, Sang-Heon Lee, Javaan Chahl
The objective of this study was to design a non-invasive system for the observation of respiratory rates and detection of apnoea using analysis of real time image sequences captured in any given sleep position and under any light conditions (even in dark environments). A Microsoft Kinect sensor was used to visualize the variations in the thorax and abdomen from the respiratory rhythm. These variations were magnified, analyzed and detected at a distance of 2.5 m from the subject. A modified motion magnification system and frame subtraction technique were used to identify breathing movements by detecting rapid motion areas in the magnified frame sequences...
February 3, 2017: Sensors
https://www.readbyqxmd.com/read/28152361/a-home-based-exercise-program-driven-by-tablet-application-and-mobility-monitoring-for-frail-older-adults-feasibility-and-practical-implications
#11
Hilde A E Geraedts, Wiebren Zijlstra, Wei Zhang, Sophie L W Spoorenberg, Marcos Báez, Iman Khaghani Far, Heribert Baldus, Martin Stevens
INTRODUCTION: Stimulation of a physically active lifestyle among older adults is essential to health and well-being. The objective of this study was to evaluate the feasibility and user opinion of a home-based exercise program supported by a sensor and tablet application for frail older adults. METHODS: Community-dwelling older adults (aged ≥70 y) living in The Netherlands were recruited in 2014. Participants exercised 3 months with and 3 months without supervision from a remote coach...
February 2, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28151878/a-training-approach-to-improve-stepping-automaticity-while-dual-tasking-in-parkinson-s-disease-a-prospective-pilot-study
#12
Taylor Chomiak, Alexander Watts, Nicole Meyer, Fernando V Pereira, Bin Hu
BACKGROUND: Deficits in motor movement automaticity in Parkinson's disease (PD), especially during multitasking, are early and consistent hallmarks of cognitive function decline, which increases fall risk and reduces quality of life. This study aimed to test the feasibility and potential efficacy of a wearable sensor-enabled technological platform designed for an in-home music-contingent stepping-in-place (SIP) training program to improve step automaticity during dual-tasking (DT). METHODS: This was a 4-week prospective intervention pilot study...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28146069/enhanced-living-by-assessing-voice-pathology-using-a-co-occurrence-matrix
#13
Ghulam Muhammad, Mohammed F Alhamid, M Shamim Hossain, Ahmad S Almogren, Athanasios V Vasilakos
A large number of the population around the world suffers from various disabilities. Disabilities affect not only children but also adults of different professions. Smart technology can assist the disabled population and lead to a comfortable life in an enhanced living environment (ELE). In this paper, we propose an effective voice pathology assessment system that works in a smart home framework. The proposed system takes input from various sensors, and processes the acquired voice signals and electroglottography (EGG) signals...
January 29, 2017: Sensors
https://www.readbyqxmd.com/read/28134564/glucose-outcomes-with-the-in-home-use-of-a-hybrid-closed-loop-insulin-delivery-system-in-adolescents-and-adults-with-type-1-diabetes
#14
Satish K Garg, Stuart A Weinzimer, William V Tamborlane, Bruce A Buckingham, Bruce W Bode, Timothy S Bailey, Ronald L Brazg, Jacob Ilany, Robert H Slover, Stacey M Anderson, Richard M Bergenstal, Benyamin Grosman, Anirban Roy, Toni L Cordero, John Shin, Scott W Lee, Francine R Kaufman
BACKGROUND: The safety and effectiveness of the in-home use of a hybrid closed-loop (HCL) system that automatically increases, decreases, and suspends insulin delivery in response to continuous glucose monitoring were investigated. METHODS: Adolescents (n = 30, ages 14-21 years) and adults (n = 94, ages 22-75 years) with type 1 diabetes participated in a multicenter (nine sites in the United States, one site in Israel) pivotal trial. The Medtronic MiniMed(®) 670G system was used during a 2-week run-in phase without HCL control, or Auto Mode, enabled (Manual Mode) and, thereafter, with Auto Mode enabled during a 3-month study phase...
January 30, 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28131197/time-for-a-strategy-in-night-time-dopaminergic-therapy-an-objective-sensor-based-analysis-of-nocturnal-hypokinesia-and-sleeping-positions-in-parkinson-s-disease
#15
Jirada Sringean, Chanawat Anan, Chusak Thanawattano, Roongroj Bhidayasiri
BACKGROUND: Nocturnal hypokinesia is a common night-time symptom in patients with Parkinson's disease (PD). However, there is still little understanding of the nature, and variations of severity of this symptom. OBJECTIVES: To evaluate the severity of nocturnal hypokinesia and sleep positions in PD patients using multisite wearable sensors. METHODS: Nocturnal parameters and sleep positions in 18 PD couples were assessed and compared using wearable sensors (limbs and trunk) for one night in their homes...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28129741/life-space-and-movement-behavior-in-nursing-home-residents-results-of-a-new-sensor-based-assessment-and-associated-factors
#16
Carl-Philipp Jansen, Mona Diegelmann, Eva-Luisa Schnabel, Hans-Werner Wahl, Klaus Hauer
BACKGROUND: Studies on life-space (LS) and its determinants have previously been limited to community-dwelling subjects but are lacking in institutionalized older persons. The purpose of this study was to provide an advanced descriptive analysis of LS in nursing home residents and to identify associated factors based on an established theoretical framework, using an objective, sensor-based assessment with a high spatiotemporal resolution. METHODS: Cross-sectional study in two nursing homes in Heidelberg, Germany (n = 65; mean age: 82...
January 28, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28125056/customization-of-uwb-3d-rtls-based-on-the-new-uncertainty-model-of-the-aoa-ranging-technique
#17
Bartosz Jachimczyk, Damian Dziak, Wlodek J Kulesza
The increased potential and effectiveness of Real-time Locating Systems (RTLSs) substantially influence their application spectrum. They are widely used, inter alia, in the industrial sector, healthcare, home care, and in logistic and security applications. The research aims to develop an analytical method to customize UWB-based RTLS, in order to improve their localization performance in terms of accuracy and precision. The analytical uncertainty model of Angle of Arrival (AoA) localization in a 3D indoor space, which is the foundation of the customization concept, is established in a working environment...
January 25, 2017: Sensors
https://www.readbyqxmd.com/read/28119390/myaircoach-the-use-of-home-monitoring-and-mhealth-systems-to-predict-deterioration-in-asthma-control-and-the-occurrence-of-asthma-exacerbations-study-protocol-of-an-observational-study
#18
Persijn J Honkoop, Andrew Simpson, Matteo Bonini, Jiska B Snoeck-Stroband, Sally Meah, Kian Fan Chung, Omar S Usmani, Stephen Fowler, Jacob K Sont
INTRODUCTION: Asthma is a variable lung condition whereby patients experience periods of controlled and uncontrolled asthma symptoms. Patients who experience prolonged periods of uncontrolled asthma have a higher incidence of exacerbations and increased morbidity and mortality rates. The ability to determine and to predict levels of asthma control and the occurrence of exacerbations is crucial in asthma management. Therefore, we aimed to determine to what extent physiological, behavioural and environmental data, obtained by mobile healthcare (mHealth) and home-monitoring sensors, as well as patient characteristics, can be used to predict episodes of uncontrolled asthma and the onset of asthma exacerbations...
January 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28113559/development-of-an-emg-acc-based-upper-limb-rehabilitation-training-system
#19
Ling Liu, Xiang Chen, Zhiyuan Lu, Shuai Cao, De Wu, Xu Zhang
This paper focuses on the development of an upper limb rehabilitation training system designed for use by children with cerebral palsy (CP). It attempts to meet the requirements of in-home training by taking advantage of the combination of portable accelerometers (ACC) and surface electromyography (SEMG) sensors worn on the upper limb to capture functional movements. In the proposed system, the EMG-ACC acquisition device works essentially as wireless game controller, and three rehabilitation games were designed for improving upper limb motor function under a clinician's guidance...
April 29, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28113254/non-contact-pressure-based-sleep-wake-discrimination
#20
Lorcan Walsh, Sean McLoone, Joesph Ronda, Jeanne F Duffy, Charles A Czeisler
Poor sleep is increasingly being recognised as an important prognostic parameter of health. For those with suspected sleep disorders, patients are referred to sleep clinics which guide treatment. However, sleep clinics are not always a viable option due to their high cost, a lack of experienced practitioners, lengthy waiting lists and an unrepresentative sleeping environment. A home-based non-contact sleep/wake monitoring system may be used as a guide for treatment potentially stratifying patients by clinical need or highlighting longitudinal changes in sleep and nocturnal patterns...
October 25, 2016: IEEE Transactions on Bio-medical Engineering
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