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https://www.readbyqxmd.com/read/28326116/comparison-of-wearable-activity-tracker-with-actigraphy-for-sleep-evaluation-and-circadian-rest-activity-rhythm-measurement-in-healthy-young-adults
#1
Hyun-Ah Lee, Heon-Jeong Lee, Joung-Ho Moon, Taek Lee, Min-Gwan Kim, Hoh In, Chul-Hyun Cho, Leen Kim
OBJECTIVE: The purpose of this study was to evaluate the applicability of data obtained from a wearable activity tracker (Fitbit Charge HR) to medical research. This was performed by comparing the wearable activity tracker (Fitbit Charge HR) with actigraphy (Actiwatch 2) for sleep evaluation and circadian rest-activity rhythm measurement. METHODS: Sixteen healthy young adults (female participants, 62.5%; mean age, 22.8 years) wore the Fitbit Charge HR and the Actiwatch 2 on the same wrist; a sleep log was recorded over a 14-day period...
March 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28319983/reliability-and-validity-of-ten-consumer-activity-trackers-depend-on-walking-speed
#2
Tryntsje Fokkema, Thea J M Kooiman, Wim P Krijnen, Cees P VAN DER Schans, Martijn DE Groot
PURPOSE: To examine the test-retest reliability and validity of ten activity trackers for step counting at three different walking speeds. METHODS: Thirty-one healthy participants walked twice on a treadmill for 30 min while wearing 10 activity trackers (Polar Loop, Garmin Vivosmart, Fitbit Charge HR, Apple Watch Sport, Pebble Smartwatch, Samsung Gear S, Misfit Flash, Jawbone Up Move, Flyfit, and Moves). Participants walked three walking speeds for 10 min each; slow (3...
April 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28276176/user-profiles-of-an-electronic-mental-health-tool-for-ecological-momentary-assessment-memind
#3
María Luisa Barrigón, Sofian Berrouiguet, Juan José Carballo, Covadonga Bonal-Giménez, Pablo Fernández-Navarro, Bernadette Pfang, David Delgado-Gómez, Philippe Courtet, Fuensanta Aroca, Jorge Lopez-Castroman, Antonio Artés-Rodríguez, Enrique Baca-García
Ecological momentary assessment (EMA) is gaining importance in psychiatry. This article assesses the characteristics of patients who used a new electronic EMA tool: the MEmind Wellness Tracker. Over one year, 13811 adult outpatients in our Psychiatry Department were asked to use MEmind. We collected information about socio-demographic data, psychiatric diagnoses, illness severity, stressful life events and suicidal thoughts/behavior. We compared active users (N = 2838) and non-active users (N = 10,973) of MEmind and performed a Random Forest analysis to assess which variables could predict its use...
March 9, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28273796/image-based-multi-target-tracking-through-multi-bernoulli-filtering-with-interactive-likelihoods
#4
Anthony Hoak, Henry Medeiros, Richard J Povinelli
We develop an interactive likelihood (ILH) for sequential Monte Carlo (SMC) methods for image-based multiple target tracking applications. The purpose of the ILH is to improve tracking accuracy by reducing the need for data association. In addition, we integrate a recently developed deep neural network for pedestrian detection along with the ILH with a multi-Bernoulli filter. We evaluate the performance of the multi-Bernoulli filter with the ILH and the pedestrian detector in a number of publicly available datasets (2003 PETS INMOVE, Australian Rules Football League (AFL) and TUD-Stadtmitte) using standard, well-known multi-target tracking metrics (optimal sub-pattern assignment (OSPA) and classification of events, activities and relationships for multi-object trackers (CLEAR MOT))...
March 3, 2017: Sensors
https://www.readbyqxmd.com/read/28269687/stayfit-a-wearable-application-for-gym-based-power-training
#5
Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan
Comprehensive fitness training involves both cardiorespiratory and power components. Often power/muscle strength training is confused with cardiorespiratory endurance training. However, each of them target different physiological aspects of fitness. Although, wearable based fitness trackers designed towards cardiorespiratory endurance training are available in the market, a dedicated wearable based fitness application designed for power training/tracking is still not readily available to fitness enthusiasts...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28259040/relationship-between-ambulatory-physical-activity-assessed-by-activity-trackers-and-physical-frailty-among-nursing-home-residents
#6
F Buckinx, A Mouton, J Y Reginster, J L Croisier, N Dardenne, C Beaudart, J Nelis, E Lambert, G Appelboom, O Bruyère
BACKGROUNDS: The aim of this study was to assess the relationship between the level of ambulatory physical activity, measured by physical activity tracker, and the clinical components of physical frailty, among nursing home residents. METHODS: We proceeded in 3 steps: (1) Validation of the physical activity tracker (i.e. the Pebble): 24 volunteer adults walked on a treadmill. The number of steps recorded by the Pebble worn by the subjects was compared with the number of steps counted by the investigators, by means of the Intra-class correlation coefficients (ICC)...
February 20, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28252197/death-anxiety-and-visual-oculomotor-processing-of-arousing-stimuli-in-a-free-view-setting
#7
Linda Wendelberg, Frode Volden, Sule Yildirim-Yayilgan
The main goal of this study was to determine how death anxiety (DA) affects visual processing when confronted with arousing stimuli. A total of 26 males and females were primed with either DA or a neutral primer and were given a free view/free choice task where eye movement was measured using an eye tracker. The goal was to identify measurable/observable indicators of whether the subjects were under the influence of DA during the free view. We conducted an eye tracking study because this is an area where we believe it is possible to find observable indicators...
April 2017: Scandinavian Journal of Psychology
https://www.readbyqxmd.com/read/28249832/supporting-the-delivery-of-total-knee-replacements-care-for-both-patients-and-their-clinicians-with-a-mobile-app-and-web-based-tool-randomized-controlled-trial-protocol
#8
M Sazzad Hussain, Jane Li, Emily Brindal, Yasmin van Kasteren, Marlien Varnfield, Andrew Reeson, Shlomo Berkovsky, Jill Freyne
BACKGROUND: Total knee replacement (TKR) surgeries have increased in recent years. Exercise programs and other interventions following surgery can facilitate the recovery process. With limited clinician contact time, patients with TKR have a substantial burden of self-management and limited communication with their care team, thus often fail to implement an effective rehabilitation plan. OBJECTIVE: We have developed a digital orthopedic rehabilitation platform that comprises a mobile phone app, wearable activity tracker, and clinical Web portal in order to engage patients with self-management tasks for surgical preparation and recovery, thus addressing the challenges of adherence to and completion of TKR rehabilitation...
March 1, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28227948/stayfit-a-wearable-application-for-gym-based-power-training
#9
Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan, Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan, Rangavittal Narayanan, Vijay N Tiwari, Vivek Jilla, Aman Gaurav, Maram Maheedhar
Comprehensive fitness training involves both cardiorespiratory and power components. Often power/muscle strength training is confused with cardiorespiratory endurance training. However, each of them target different physiological aspects of fitness. Although, wearable based fitness trackers designed towards cardiorespiratory endurance training are available in the market, a dedicated wearable based fitness application designed for power training/tracking is still not readily available to fitness enthusiasts...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224926/a-30-month-worksite-based-lifestyle-program-to-promote-cardiovascular-health-in-middle-aged-bank-employees-design-of-the-tansnip-pesa-randomized-controlled-trial
#10
Jennifer K Coffeng, Hidde P van der Ploeg, José M Castellano, Juan M Fernández-Alvira, Borja Ibáñez, Inés García-Lunar, Allard J van der Beek, Antonio Fernández-Ortiz, Agustín Mocoroa, Laura García-Leal, Evelyn Cárdenas, Carolina Rojas, María I Martínez-Castro, Silvia Santiago-Sacristán, Miriam Fernández-Gallardo, José M Mendiguren, Sameer Bansilal, Willem van Mechelen, Valentín Fuster
BACKGROUND: Cardiovascular disease (CVD) is the leading cause of death worldwide. With atherosclerosis as the underlying cause for many CVD events, prevention or reduction of subclinical atherosclerotic plaque burden (SAPB) through a healthier lifestyle may have substantial public health benefits. OBJECTIVE: The objective was to describe the protocol of a randomized controlled trial investigating the effectiveness of a 30-month worksite-based lifestyle program aimed to promote cardiovascular health in participants having a high or a low degree of SAPB compared with standard care...
February 2017: American Heart Journal
https://www.readbyqxmd.com/read/28222805/use-of-activity-tracking-in-major-visceral-surgery-the-enhanced-perioperative-mobilization-epm-trial-study-protocol-for-a-randomized-controlled-trial
#11
Steffen Wolk, Theresa Meißner, Sebastian Linke, Benjamin Müssle, Ann Wierick, Andreas Bogner, Dorothée Sturm, Nuh N Rahbari, Marius Distler, Jürgen Weitz, Thilo Welsch
BACKGROUND: Enhanced recovery after surgery (ERAS) programs are aimed at minimizing postoperative stress and accelerating postoperative recovery by implementing multiple perioperative principles. "Early mobilization" is one such principle, but the quality of assessment and monitoring is poor, and evidence of improved outcome is lacking. Activity trackers allow precise monitoring and automatic feedback to the patients to enhance their motivation for early mobilization. The aim of the study is to monitor and increase the postoperative mobilization of patients by giving them continuous automatic feedback in the form of a step count using activity-tracking wristbands...
February 21, 2017: Trials
https://www.readbyqxmd.com/read/28214452/calorie-counting-and-fitness-tracking-technology-associations-with-eating-disorder-symptomatology
#12
Courtney C Simpson, Suzanne E Mazzeo
The use of online calorie tracking applications and activity monitors is increasing exponentially. Anecdotal reports document the potential for these trackers to trigger, maintain, or exacerbate eating disorder symptomatology. Yet, research has not examined the relation between use of these devices and eating disorder-related attitudes and behaviors. This study explored associations between the use of calorie counting and fitness tracking devices and eating disorder symptomatology. Participants (N=493) were college students who reported their use of tracking technology and completed measures of eating disorder symptomatology...
February 9, 2017: Eating Behaviors
https://www.readbyqxmd.com/read/28204959/phantom-study-investigating-the-accuracy-of-manual-and-automatic-image-fusion-with-the-ge-logiq-e9-implications-for-use-in-percutaneous-liver-interventions
#13
Mark Christiaan Burgmans, J Michiel den Harder, Philippa Meershoek, Nynke S van den Berg, Shaun Xavier Ju Min Chan, Fijs W B van Leeuwen, Arian R van Erkel
PURPOSE: To determine the accuracy of automatic and manual co-registration methods for image fusion of three-dimensional computed tomography (CT) with real-time ultrasonography (US) for image-guided liver interventions. MATERIALS AND METHODS: CT images of a skills phantom with liver lesions were acquired and co-registered to US using GE Logiq E9 navigation software. Manual co-registration was compared to automatic and semiautomatic co-registration using an active tracker...
February 15, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28193693/unresponsive-choline-transporter-as-a-trait-neuromarker-and-a-causal-mediator-of-bottom-up-attentional-biases
#14
Ajeesh Koshy Cherian, Aaron Kucinski, Kyle Pitchers, Brittney Yegla, Vinay Parikh, Youngsoo Kim, Paulina Valuskova, Sarika Gurnani, Craig W Lindsley, Randy D Blakely, Martin Sarter
Some rats [sign-trackers (STs)] are prone to attribute incentive salience to reward cues, which can manifest as a propensity to approach and contact pavlovian cues, and for addiction-like behavior. STs also exhibit poor attentional performance, relative to goal-trackers (GTs), which is associated with attenuated acetylcholine (ACh) levels in prefrontal cortex (Paolone et al., 2013). Here, we demonstrate a cellular mechanism, linked to ACh synthesis, that accounts for attenuated cholinergic capacity in STs. First, we found that electrical stimulation of the basal forebrain increased cortical choline transporter (CHT)-mediated choline transport in GTs, paralleled by a redistribution of CHTs to the synaptic plasma membrane...
March 15, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28186339/hand-eye-coordination-predicts-joint-attention
#15
Chen Yu, Linda B Smith
The present article shows that infant and dyad differences in hand-eye coordination predict dyad differences in joint attention (JA). In the study reported here, 51 toddlers ranging in age from 11 to 24 months and their parents wore head-mounted eye trackers as they played with objects together. We found that physically active toddlers aligned their looking behavior with their parent and achieved a substantial proportion of time spent jointly attending to the same object. However, JA did not arise through gaze following but rather through the coordination of gaze with manual actions on objects as both infants and parents attended to their partner's object manipulations...
February 10, 2017: Child Development
https://www.readbyqxmd.com/read/28181075/harnessing-the-potential-of-wearable-activity-trackers-for-heart-failure-self-care
#16
REVIEW
Muaddi Alharbi, Nicola Straiton, Robyn Gallagher
PURPOSE OF REVIEW: The purpose of this study was to explore the potential of wearable activity trackers to promote self-care management for physical activity in heart failure (HF). RECENT FINDINGS: Exercise participation decreases hospital admissions and improves quality of life in HF, and activity tracking devices provide more precise means to assess free-living physical activity and thus enable tailored exercise instruction. Use of activity trackers by cardiac patients for self-monitoring and motivational purposes is associated with increased levels of physical activity and is predictive of disease severity...
February 8, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28166824/in-lab-versus-at-home-activity-recognition-in-ambulatory-subjects-with-incomplete-spinal-cord-injury
#17
Mark V Albert, Yohannes Azeze, Michael Courtois, Arun Jayaraman
BACKGROUND: Although commercially available activity trackers can aid in tracking therapy and recovery of patients, most devices perform poorly for patients with irregular movement patterns. Standard machine learning techniques can be applied on recorded accelerometer signals in order to classify the activities of ambulatory subjects with incomplete spinal cord injury in a way that is specific to this population and the location of the recording-at home or in the clinic. METHODS: Subjects were instructed to perform a standardized set of movements while wearing a waist-worn accelerometer in the clinic and at-home...
February 6, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28163069/adipose-derived-stem-cells-protect-skin-flaps-against-ischemia-reperfusion-injury-via-interleukin-6-expression
#18
Chi-Ming Pu, Chen-Wei Liu, Chan-Jung Liang, Yu-Hsiu Yen, Shun-Hua Chen, Ya-Fen Jiang-Shieh, Chung-Liang Chien, Ya-Chun Chen, Yuh-Lien Chen
Flap necrosis is the most frequent postoperative complication encountered in reconstructive surgery. We elucidated whether adipose-derived stem cells (ADSCs) and their derivatives might induce neovascularization and protect skin flaps during ischemia/reperfusion (I/R) injury. Flaps were subjected to 3 h of ischemia by ligating long thoracic vessels and then to blood reperfusion. Q-tracker-labeled ADSCs, conditioned media (ADSC-CM), or exosomes (ADSC-Exo) were injected into the flaps. These treatments led to significantly increase flap survival and capillary density compared to I/R on postoperative day 5...
February 2, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28143805/assessing-the-influence-of-a-fitbit-physical-activity-monitor-on-the-exercise-practices-of-emergency-medicine-residents-a-pilot-study
#19
Justin David Schrager, Philip Shayne, Sarah Wolf, Shamie Das, Rachel Elizabeth Patzer, Melissa White, Sheryl Heron
BACKGROUND: Targeted interventions have improved physical activity and wellness of medical residents. However, no exercise interventions have focused on emergency medicine residents. OBJECTIVE: This study aimed to measure the effectiveness of a wearable device for tracking physical activity on the exercise habits and wellness of this population, while also measuring barriers to adoption and continued use. METHODS: This pre-post cohort study enrolled 30 emergency medicine residents...
January 31, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28117736/evaluation-of-commercial-self-monitoring-devices-for-clinical-purposes-results-from-the-future-patient-trial-phase-i
#20
Soren Leth, John Hansen, Olav W Nielsen, Birthe Dinesen
Commercial self-monitoring devices are becoming increasingly popular, and over the last decade, the use of self-monitoring technology has spread widely in both consumer and medical markets. The purpose of this study was to evaluate five commercially available self-monitoring devices for further testing in clinical applications. Four activity trackers and one sleep tracker were evaluated based on step count validity and heart rate validity. METHODS: The study enrolled 22 healthy volunteers in a walking test...
January 22, 2017: Sensors
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