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Tracking Fatigue

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https://www.readbyqxmd.com/read/28339702/subclinical-chronic-left-ventricular-systolic-dysfunction-resulting-from-phosphine-poisoning
#1
E Szymczyk, M Wiszniewska, J Walusiak-Skorupa, J D Kasprzak, P Lipiec
We present a case of a 32-year-old male crew member of a cargo ship, accidentally exposed to phosphine, a fumigating substance. He and other crew members developed increasing fatigue and digestive disorders 24 h later; two died from acute pulmonary oedema. The patient was admitted to hospital, where bilateral pneumonia, acute nephritis, hepatopathy, electrolyte imbalance and leucopenia were diagnosed. He was discharged from hospital 3 weeks later. He was examined 4 months later for possible chronic consequences of acute phosphine poisoning, which included echocardiography showing normal heart size and cardiac function...
February 21, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28328567/effects-of-a-simulated-game-on-upper-extremity-pitching-mechanics-and-muscle-activations-among-various-pitch-types-in-youth-baseball-pitchers
#2
Gretchen D Oliver, Hillary Plummer, Lisa Henning, Michael Saper, Gabrielle Glimer, Allison Brambeck, James R Andrews
BACKGROUND: Throwing requires proper stability and orientation of the pelvis and scapula for efficient energy transfer during pitching. Fatigue of the pelvis and scapular musculature throughout the course of a game can impair pitching performance, and place excessive demands on the throwing arm leading to injury. The purpose of this study was to examine differences in pelvis, torso, and upper extremity pitching mechanics and muscle activations between the fastball, change-up, and curveball pitches in youth baseball pitchers following a simulated game...
March 21, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28302595/behavioral-indicators-on-a-mobile-sensing-platform-predict-clinically-validated-psychiatric-symptoms-of-mood-and-anxiety-disorders
#3
Skyler Place, Danielle Blanch-Hartigan, Channah Rubin, Cristina Gorrostieta, Caroline Mead, John Kane, Brian P Marx, Joshua Feast, Thilo Deckersbach, Alex Sandy Pentland, Andrew Nierenberg, Ali Azarbayejani
BACKGROUND: There is a critical need for real-time tracking of behavioral indicators of mental disorders. Mobile sensing platforms that objectively and noninvasively collect, store, and analyze behavioral indicators have not yet been clinically validated or scalable. OBJECTIVE: The aim of our study was to report on models of clinical symptoms for post-traumatic stress disorder (PTSD) and depression derived from a scalable mobile sensing platform. METHODS: A total of 73 participants (67% [49/73] male, 48% [35/73] non-Hispanic white, 33% [24/73] veteran status) who reported at least one symptom of PTSD or depression completed a 12-week field trial...
March 16, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28283993/development-and-validity-of-the-rating-of-fatigue-scale
#4
D Micklewright, A St Clair Gibson, V Gladwell, A Al Salman
OBJECTIVE: The purpose of these experiments was to develop a rating-of-fatigue (ROF) scale capable of tracking the intensity of perceived fatigue in a variety of contexts. METHODS: Four experiments were carried out. The first provided the evidential basis for the construction of the ROF scale. The second tested the face validity of the ROF, and the third tested the convergent and divergent validity of the ROF scale during ramped cycling to exhaustion and 30 min of resting recovery...
March 10, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28282238/changes-in-the-sleep-wake-rhythm-sleep-quality-mood-and-quality-of-life-of-patients-receiving-treatment-for-lung-cancer-a-longitudinal-study
#5
Wen-Pei Chang, Chia-Chin Lin
Studies on the diurnal sleep-wake rhythm of patients with lung cancer have mostly examined patients cross-sectionally, whereas the effects of lung cancer treatment over time have rarely been considered. Through long-term longitudinal tracking of patients with lung cancer, this study examined changes in their sleep-wake rhythm, sleep quality, anxiety, depressive symptoms, fatigue and quality of life (QoL) at various treatment stages. In addition, factors affecting their QoL were explored. Hierarchical linear modeling was adopted to analyze a convenience sample of 82 patients with lung cancer...
March 10, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28281106/tracking-daily-fatigue-fluctuations-in-multiple-sclerosis-ecological-momentary-assessment-provides-unique-insights
#6
Daniel J H Powell, Christina Liossi, Wolff Schlotz, Rona Moss-Morris
Studies investigating the prevalence, cause, and consequence of multiple sclerosis (MS) fatigue typically use single measures that implicitly assume symptom-stability over time, neglecting information about if, when, and why severity fluctuates. We aimed to examine the extent of moment-to-moment and day-to-day variability in fatigue in relapsing-remitting MS and healthy individuals, and identify daily life determinants of fluctuations. Over 4 weekdays, 76 participants (38 relapsing-remitting MS; 38 controls) recruited from multiple sites provided real-time self-reports six times daily (n = 1661 observations analyzed) measuring fatigue severity, stressors, mood, and physical exertion, and daily self-reports of sleep quality...
March 9, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28249595/non-contact-synchronous-dynamic-measurement-of-respiratory-rate-and-heart-rate-based-on-dual-sensitive-regions
#7
Bing Wei, Xuan He, Chao Zhang, Xiaopei Wu
BACKGROUND: Currently, many imaging photoplethysmography (IPPG) researches have reported non-contact measurements of physiological parameters, such as heart rate (HR), respiratory rate (RR), etc. However, it is accepted that only HR measurement has been mature for applications, and other estimations are relatively incapable for reliable applications. Thus, it is worth keeping on persistent studies. Besides, there are some issues commonly involved in these approaches need to be explored further...
January 17, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28188371/the-effect-of-functional-overreaching-on-parameters-of-autonomic-heart-rate-regulation
#8
Clint R Bellenger, Rebecca L Thomson, Eileen Y Robertson, Kade Davison, Maximillian J Nelson, Laura Karavirta, Jonathan D Buckley
PURPOSE: Correlations between fatigue-induced changes in performance and maximal rate of HR increase (rHRI) may be affected by differing assessment workloads. This study evaluated the effect of assessing rHRI at different workloads on performance tracking, and compared this with HR variability (HRV) and HR recovery (HRR). METHODS: Performance [5-min cycling time trial (5TT)], rHRI (at multiple workloads), HRV and HRR were assessed in 12 male cyclists following 1 week of light training (LT), 2 weeks of heavy training (HT) and a 10-day taper (T)...
March 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28167303/psychological-and-lifestyle-factors-that-influence-the-serial%C3%A2-reporting-of-postconcussion-like-symptoms-in-a-nonconcussed-population
#9
Arun Prasad Balasundaram, Josie Athens, Anthony Gerard Schneiders, Paul McCrory, Stephen John Sullivan
BACKGROUND: Symptoms related to concussion are generally found to be nonspecific in nature, as they are also reported by nonconcussed individuals. What is currently not known is whether the symptoms vary over time, and whether they are also influenced by a multitude of factors. OBJECTIVE: The aim of this study was to investigate the potential influence of psychological, lifestyle, and situational factors on the change in postconcussion-like symptoms reported over 7 consecutive days in a cohort of normal individuals...
February 4, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28156607/yoga-program-for-patients-with-brain-tumors-undergoing-radiotherapy-xrt-and-their-family-caregivers
#10
Smith Mallaiah, Anita Mahajan, Terri S Armstrong, Shiao-Pei S Weathers, Kathryn E Moss, Nazli Goktepe, Amy Spelman, Lorenzo Cohen
200 Background: The role of behavioral medicine in the symptom management of glioma patients is largely unknown. Moreover, although the literature revealed that family caregivers are at risk of physical and psychological burden, the needs of caregivers generally remain unaddressed. The purpose of this study was to establish feasibility and preliminary efficacy of a couple-based Yoga (CBY) intervention in glioma patients and their caregivers targeting QOL outcomes. METHODS: This small, single-arm pilot trial included adults with low and high grade glioma undergoing XRT and their family caregivers...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28150503/yoga-program-for-high-grade-glioma-patients-undergoing-radiotherapy-and-their-family-caregivers
#11
Kathrin Milbury, Smitha Mallaiah, Anita Mahajan, Terri Armstrong, Shioa-Pei Weathers, Kathryn E Moss, Nazli Goktepe, Amy Spelman, Lorenzo Cohen
BACKGROUND: Despite their high symptom burden and poor prognosis, evidence-based supportive care interventions for adults with high-grade glioma (HGG) and their caregivers are lacking. Thus, we aimed to establish feasibility of a patient-caregiver dyadic yoga program (DYP) for newly diagnosed HGG patients and their family caregivers targeting quality-of-life (QOL) outcomes. METHOD: In this single-arm pilot trial, dyads participated in a 12-session DYP program across the course of patients' radiotherapy...
January 1, 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28129271/fatigue-failure-in-extra-articular-proximal-tibia-fractures-locking-intramedullary-nail-versus-double-locking-plates-a-biomechanical-study
#12
Utku Kandemir, Safa Herfat, Mary Herzog, Paul Viscogliosi, Murat Pekmezci
OBJECTIVES: The goal of this study is to compare the fatigue strength of a locking intramedullary nail (LN) construct with a double locking plate (DLP) construct in comminuted proximal extra-articular tibia fractures. METHODS: Eight pairs of fresh frozen cadaveric tibias with low bone mineral density [age: 80 ± 7 (SD) years, T-score: -2.3 ± 1.2] were used. One tibia from each pair was fixed with LN, whereas the contralateral side was fixed with DLP for complex extra-articular multifragmentary metaphyseal fractures (simulating OTA 41-A3...
February 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28102449/development-of-a-new-assessment-tool-for-cervical-myelopathy-using-hand-tracking-sensor-part-2-normative-values
#13
M Abdulhadi Alagha, Mahmoud A Alagha, Eleanor Dunstan, Olaf Sperwer, Kate A Timmins, Bronek M Boszczyk
PURPOSE: To set a baseline measurement of the number of hand flexion-extension cycles and analyse the degree of motion in young healthy individuals, measured by leap motion controller (LMC), besides describing gender and dominant hand differences. METHODS: Fifty healthy participants were asked to fully grip-and-release their dominant hand as rapidly as possible for a maximum of 3 min or until subjects fatigued, while wearing a non-metal wrist splint. Participants also performed a 15-s grip-and-release test...
January 19, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28095075/a-pilot-study-using-entropy-as-a-non-invasive-assessment-of-running
#14
Andrew M Murray, Joong Hyun Ryu, John Sproule, Anthony P Turner, Phil Graham-Smith, Marco Cardinale
PURPOSE: Running performance is influenced by the interaction of biomechanical and physiological factors. Miniaturised accelerometers worn by the athlete can be used to quantify mechanical aspects of running and be used as a non-invasive tool to assess training status and progression. The aim of this study was to define and validate a method to assess running regularity and allow the estimation of an individual's V̇O2 and/or blood lactate [La]b based on data collected with accelerometers and heart rate (HR)...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28081144/digital-health-tracking-physiomes-and-activity-using-wearable-biosensors-reveals-useful-health-related-information
#15
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/28068294/canine-olfaction-as-an-alternative-to-analytical-instruments-for-disease-diagnosis-understanding-dog-personality-to-achieve-reproducible-results
#16
Klaus Hackner, Joachim Pleil
Recent literature has touted the use of canine olfaction as a diagnostic tool for identifying pre-clinical disease status, especially cancer and infection from biological media samples. Studies have shown a wide range of outcomes, ranging from almost perfect discrimination, all the way to essentially random results. This disparity is not likely to be a detection issue; dogs have been shown to have extremely sensitive noses as proven by their use for tracking, bomb detection and search and rescue. However, in contrast to analytical instruments, dogs are subject to boredom, fatigue, hunger and external distractions...
January 9, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28064032/tmj-energy-densities-in-healthy-men-and-women
#17
L R Iwasaki, Y M Gonzalez, Y Liu, H Liu, M Markova, L M Gallo, J C Nickel
OBJECTIVE: Cartilage fatigue, due to mechanical work, may account for the early development of degenerative joint disease (DJD) in the temporomandibular joint (TMJ), and why women are three times more likely to be afflicted. This study tested for gender differences in mechanical energy densities in women and men with healthy TMJs. DESIGN: Eighteen women and eighteen men gave informed consent. Research diagnostic criteria including imaging were used to ensure that subjects' TMJs were normal, without disc displacement or signs of DJD...
January 5, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28054815/try-to-look-on-the-bright-side-children-and-adults-can-sometimes-override-their-tendency-to-prioritize-negative-faces
#18
Kristin Hansen Lagattuta, Hannah J Kramer
We used eye tracking to examine 4- to 10-year-olds' and adults' (N = 173) visual attention to negative (anger, fear, sadness, disgust) and neutral faces when paired with happy faces in 2 experimental conditions: free-viewing ("look at the faces") and directed ("look only at the happy faces"). Regardless of instruction, all age groups more often looked first to negative versus positive faces (no age differences), suggesting that initial orienting is driven by bottom-up processes. In contrast, biases in more sustained attention-last looks and looking duration-varied by age and could be modified by top-down instruction...
January 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28048139/su-f-j-227-accuracy-of-passive-magnetic-ultrasound-needle-guidance-in-high-fidelity-conventional-and-novel-simulated-block-approach-phantoms
#19
A Johnson
PURPOSE: The objective of this research was to demonstrate accuracy of a real-time passive ultrasound magnetic needle guidance technology (NGT) and target localization algorithm using conventional anechogenic contact phantoms and a novel fluid-filled hyperechogenic phantom simulating nerve block technique. METHODS: Accuracy (mm to phantom target) was assessed by observing 35 medical practitioners (16 anesthesiologists and 19 residents) performing 560 needle procedures in high-fidelity ex vivo porcine tissue phantoms...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28028197/limited-cognitive-resources-explain-a-trade-off-between-perceptual-and-metacognitive-vigilance
#20
Brian Maniscalco, Li Yan McCurdy, Brian Odegaard, Hakwan Lau
Why do experimenters give subjects short breaks in long behavioral experiments? Whereas previous studies suggest it is difficult to maintain attention and vigilance over long periods of time, it is unclear precisely what mechanisms benefit from rest after short experimental blocks. Here, we evaluate decline in both perceptual performance and metacognitive sensitivity (i.e., how well confidence ratings track perceptual decision accuracy) over time and investigate whether characteristics of prefrontal cortical areas correlate with these measures...
February 1, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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