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Tracking Fatigue

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https://www.readbyqxmd.com/read/29049040/the-relationship-between-nutritional-risks-and-cancer-related-fatigue-in-patients-with-colorectal-cancer-fast-track-surgery
#1
Jian-Ning Wei, Shu-Xia Li
BACKGROUND: Measurement of cancer-related fatigue and nutrition in the same colorectal cancer patient group using fast-track surgery has never been examined previously. The association between fatigue and nutritional status in the same patient group is thus worthwhile to be investigated. OBJECTIVE: The aim of this study was to evaluate the relationship between fatigue and nutrition risk factors in colorectal cancer patients with fast-track surgery. METHODS: This is a single-arm, observational study...
October 18, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/29016400/alterations-in-the-mechanical-response-of-deep-dorsal-neck-muscles-in-individuals-suffering-from-whiplash-associated-disorders-compared-to-healthy-controls-an-ultrasound-study
#2
Leila Rahnama, Gunnel Peterson, Anoshirvan Kazemnejad, Johan Trygg, Anneli Peolsson
OBJECTIVE: The purpose of this study was to investigate and compare the mechanical responses of dorsal neck muscles in individuals with whiplash-associated disorders (WAD) versus healthy individuals. DESIGN: This study included 36 individuals with WAD (26 women and 10 men) and 36 healthy controls (26 women and 10 men). Ultrasound imaging with speckle tracking was used to measure deformation and deformation rate in five dorsal neck muscles during a neck extension task...
October 7, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28994356/age-modification-of-the-relationship-between-c-reactive-protein-and-fatigue-findings-from-understanding-society-ukhls
#3
A Hughes, M Kumari
BACKGROUND: Systemic inflammation may play a role in the development of idiopathic fatigue, that is, fatigue not explained by infections or diagnosed chronic illness, but this relationship has never been investigated in community studies including the entire adult age span. We examine the association of the inflammatory marker C-reactive protein (CRP) and fatigue assessed annually in a 3-year outcome period for UK adults aged 16-98. METHODS: Multilevel models were used to track fatigue 7, 19, and 31 months after CRP measurement, in 10 606 UK individuals...
October 10, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28987265/performance-and-sleepiness-in-nurses-working-12-h-day-shifts-or-night-shifts-in-a-community-hospital
#4
Marian Wilson, Regan Permito, Ashley English, Sandra Albritton, Carlana Coogle, Hans P A Van Dongen
Hospitals are around-the-clock operations and nurses are required to care for patients night and day. The nursing shortage and desire for a more balanced work-to-home life has popularized 12-h shifts for nurses. The present study investigated sleep/wake cycles and fatigue levels in 22 nurses working 12-h shifts, comparing day versus night shifts. Nurses (11day shift and 11 night shift) were recruited from a suburban acute-care medical center. Participants wore a wrist activity monitor and kept a diary to track their sleep/wake cycles for 2 weeks...
October 5, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28918950/power-transfer-to-a-human-during-an-electric-eel-s-shocking-leap
#5
Kenneth C Catania
Electric eels have been the subject of investigation and curiosity for centuries [1]. They use high voltage to track [2] and control [3] prey, as well as to exhaust prey by causing involuntary fatigue through remote activation of prey muscles [4]. But their most astonishing behavior is the leaping attack, during which eels emerge from the water to directly electrify a threat [5, 6]. This unique defense has reportedly been used against both horses [7] and humans [8]. Yet the dynamics of the circuit that develops when a living animal is contacted and the electrical power transmitted to the target have not been directly investigated...
September 25, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28916400/assessing-changes-in-the-activity-levels-of-breast-cancer-patients-during-radiation-therapy
#6
Colin E Champ, Nitin Ohri, Rainer J Klement, Matthew Cantor, Sushil Beriwal, Scott M Glaser, Ryan P Smith
BACKGROUND: Radiation therapy (RT) is often delivered after lumpectomy for women with breast cancer. A common perceived side effect of RT is fatigue, yet its exact effect on activity levels and sleep is unknown. In this study we analyzed the change in activity levels and sleep using an activity tracking device before, during, and after RT for women with early stage breast cancer and ductal carcinoma in situ who underwent adjuvant RT. PATIENTS AND METHODS: After institutional review board approval, activity levels were quantified before, during, and after RT with measurements of steps, miles walked, calories burned, and sleep metrics in 10 women fitted with activity trackers...
August 24, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28894216/correlative-evaluation-of-mental-and-physical-workload-of-laparoscopic-surgeons-based-on-surface-electromyography-and-eye-tracking-signals
#7
Jian-Yang Zhang, Sheng-Lin Liu, Qing-Min Feng, Jia-Qi Gao, Qiang Zhang
Surgeons' mental and physical workloads are major focuses of operating room (OR) ergonomics, and studies on this topic have generally focused on either mental workload or physical workload, ignoring the interaction between them. Previous studies have shown that physically demanding work may affect mental performance and may be accompanied by impaired mental processing and decreased performance. In this study, 14 participants were recruited to perform laparoscopic cholecystectomy (LC) procedures in a virtual simulator...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818818/validation-of-a-smartphone-based-approach-to-in-situ-cognitive-fatigue-assessment
#8
Edward Price, George Moore, Leo Galway, Mark Linden
BACKGROUND: Acquired Brain Injuries (ABIs) can result in multiple detrimental cognitive effects, such as reduced memory capability, concentration, and planning. These effects can lead to cognitive fatigue, which can exacerbate the symptoms of ABIs and hinder management and recovery. Assessing cognitive fatigue is difficult due to the largely subjective nature of the condition and existing assessment approaches. Traditional methods of assessment use self-assessment questionnaires delivered in a medical setting, but recent work has attempted to employ more objective cognitive tests as a way of evaluating cognitive fatigue...
August 17, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28813798/a-novel-method-for-muscle-fatigue-assessment-during-robot-based-tracking-tasks
#9
Maddalena Mugnosso, Francesca Marini, Matteo Gillardo, Pietro Morasso, Jacopo Zenzeri
In this work we propose a novel method based on sEMG signals, easy and fast to perform, administered with a robotic device to maximize repeatability and objectivity. Muscle fatigue, which is frequently experienced by healthy subjects, can be a highly debilitating symptom in case of neuromuscular disorders. Its assessment provides crucial information on the progression of the disability itself, on patient's muscular function and on the efficacy of the eventual clinical intervention. Hence, a robust and objective protocol for fatigue assessment is fundamental in rehabilitation practice...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812120/risk-adapted-robotic-stereotactic-body-radiation-therapy-for-inoperable-early-stage-non-small-cell-lung-cancer
#10
Susanne Temming, Martin Kocher, Erich Stoelben, Lars Hagmeyer, De-Hua Chang, Konrad Frank, Khosro Hekmat, Juergen Wolf, Wolfgang W Baus, Robert Semrau, Christian Baues, S Marnitz
PURPOSE: To evaluate efficacy and toxicity of stereotactic body radiation therapy (SBRT) with CyberKnife® (Accuray, Sunnyvale, CA, USA) in a selected cohort of primary, medically inoperable early-stage non-small cell lung cancer (NSCLC) patients. METHODS: From 2012 to 2016, 106 patients (median age 74 years, range 50-94 years) with primary NSCLC were treated with SBRT using CyberKnife®. Histologic confirmation was available in 87 patients (82%). For mediastinal staging, 92 patients (87%) underwent (18)F-fluorodeoxyglucose positron-emission tomography (18-FDG-PET) and/or endobronchial ultrasound (EBUS)-guided lymph node biopsy or mediastinoscopy...
August 15, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28780328/impaired-patient-reported-outcomes-predict-poor-school-functioning-and-daytime-sleepiness-the-promis%C3%A2-pediatric-asthma-study
#11
Conor M Jones, Darren A DeWalt, I-Chan Huang
OBJECTIVES: Poor asthma control in children is related to impaired patient-reported outcomes (PROs; e.g., fatigue, depressive symptoms, anxiety), but less well studied is the impact of PROs on children's school performance and sleep outcomes. This study investigated whether the consistency status of PROs over time impacted school functioning and daytime sleepiness in children with asthma. METHODS: Of the 238 children with asthma enrolled in the Patient-Reported Outcomes Measurement Information System® (PROMIS®) Pediatric Asthma Study, 169 children who provided survey data for all four time points were used in analysis...
August 2, 2017: Academic Pediatrics
https://www.readbyqxmd.com/read/28773901/monitoring-poisson-s-ratio-degradation-of-frp-composites-under-fatigue-loading-using-biaxially-embedded-fbg-sensors
#12
Erdem Akay, Cagatay Yilmaz, Esat S Kocaman, Halit S Turkmen, Mehmet Yildiz
The significance of strain measurement is obvious for the analysis of Fiber-Reinforced Polymer (FRP) composites. Conventional strain measurement methods are sufficient for static testing in general. Nevertheless, if the requirements exceed the capabilities of these conventional methods, more sophisticated techniques are necessary to obtain strain data. Fiber Bragg Grating (FBG) sensors have many advantages for strain measurement over conventional ones. Thus, the present paper suggests a novel method for biaxial strain measurement using embedded FBG sensors during the fatigue testing of FRP composites...
September 19, 2016: Materials
https://www.readbyqxmd.com/read/28772393/monitoring-the-damage-state-of-fiber-reinforced-composites-using-an-fbg-network-for-failure-prediction
#13
Esat Selim Kocaman, Erdem Akay, Cagatay Yilmaz, Halit Suleyman Turkmen, Ibrahim Burc Misirlioglu, Afzal Suleman, Mehmet Yildiz
A structural health monitoring (SHM) study of biaxial glass fibre-reinforced epoxy matrix composites under a constant, high strain uniaxial fatigue loading is performed using fibre Bragg grating (FBG) optical sensors embedded in composites at various locations to monitor the evolution of local strains, thereby understanding the damage mechanisms. Concurrently, the temperature changes of the samples during the fatigue test have also been monitored at the same locations. Close to fracture, significant variations in local temperatures and strains are observed, and it is shown that the variations in temperature and strain can be used to predict imminent fracture...
January 3, 2017: Materials
https://www.readbyqxmd.com/read/28751468/overcoming-operational-challenges-to-ebola-case-investigation-in-sierra-leone
#14
Samuel T Boland, Erin Polich, Allison Connolly, Adam Hoar, Tom Sesay, Anh-Minh A Tran
The Ebola virus disease (EVD) epidemic that hit West Africa in 2013 was the worst outbreak of EVD in recorded history. While much has been published regarding the international and national-level EVD responses, there is a dearth of literature on district-level coordination and operational structures, successes, and failures. This article seeks to understand how the EVD response unfolded at the district level, namely the challenges to operationalizing EVD surveillance over the course of the outbreak in Port Loko and Kambia districts of Sierra Leone...
September 27, 2017: Global Health, Science and Practice
https://www.readbyqxmd.com/read/28721726/3d-printed-earable-smart-devices-for-real-time-detection-of-core-body-temperature
#15
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 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28717787/a-prospective-study-of-infectious-mononucleosis-in-college-students
#16
Leonard A Jason, Ben Katz, Kristen Gleason, Stephanie McManimen, Madison Sunnquist, Taylor Thorpe
BACKGROUND: The present study aims to prospectively investigate possible biological and psychological factors present in college students who will go on to develop chronic fatigue syndrome (CFS) following Infectious Mononucleosis (IM). Identification of risk factors predisposing patients towards developing CFS may help to understand the underlying mechanisms and ultimately prevent its occurrence. Our study is enrolling healthy college students over the age of 18. Enrollment began in March of 2013 and is ongoing...
2017: Int J Psychiatry (Overl Park)
https://www.readbyqxmd.com/read/28707505/biomechanical-analysis-of-the-thoracolumbar-spine-under-physiological-loadings-experimental-motion-data-corridors-for-validation-of-finite-element-models
#17
Marien Couvertier, Arnaud Germaneau, Mathieu Saget, Jean-Christophe Dupré, Pascal Doumalin, Fabrice Brémand, Franck Hesser, Cyril Brèque, Manuel Roulaud, Olivier Monlezun, Tanguy Vendeuvre, Philippe Rigoard
Biomechanical studies that involve normal, injured or stabilized human spines are sometimes difficult to perform on large samples due to limited access to cadaveric human spines and biological variability. Finite element models alleviate these limitations due to the possibility of reusing the same model, whereas cadaveric spines can be damaged during testing, or have their mechanicals behaviour modified by fatigue, permanent deformation or structural failure. Finite element models need to be validated with experimental data to make sure that they represent the complex mechanical and physiological behaviour of normal, injured and stabilized spinal segments...
July 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28665361/a-study-of-deep-cnn-based-classification-of-open-and-closed-eyes-using-a-visible-light-camera-sensor
#18
Ki Wan Kim, Hyung Gil Hong, Gi Pyo Nam, Kang Ryoung Park
The necessity for the classification of open and closed eyes is increasing in various fields, including analysis of eye fatigue in 3D TVs, analysis of the psychological states of test subjects, and eye status tracking-based driver drowsiness detection. Previous studies have used various methods to distinguish between open and closed eyes, such as classifiers based on the features obtained from image binarization, edge operators, or texture analysis. However, when it comes to eye images with different lighting conditions and resolutions, it can be difficult to find an optimal threshold for image binarization or optimal filters for edge and texture extraction...
June 30, 2017: Sensors
https://www.readbyqxmd.com/read/28661229/the-influence-of-malalignment-and-ageing-following-sterilisation-by-gamma-irradiation-in-an-inert-atmosphere-on-the-wear-of-ultra-high-molecular-weight-polyethylene-in-patellofemoral-replacements
#19
Raman Maiti, Raelene M Cowie, John Fisher, Louise M Jennings
Complications of patellofemoral arthroplasty often occur soon after implantation and, as well as other factors, can be due to the design of the implant or its surgical positioning. A number of studies have previously considered the wear of ultra-high-molecular-weight polyethylene patellae following suboptimal implantation; however, studies have primarily been carried out under a limited number of degrees of freedom. The aim of this study was to develop a protocol to assess the wear of patellae under a malaligned condition in a six-axis patellofemoral joint simulator...
July 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28658591/exploring-the-relationship-of-task-performance-and-physical-and-cognitive-fatigue-during-a-daylong-light-precision-task
#20
Marcus Yung, Rahim Manji, Richard P Wells
OBJECTIVE: Our aim was to explore the relationship between fatigue and operation system performance during a simulated light precision task over an 8-hr period using a battery of physical (central and peripheral) and cognitive measures. BACKGROUND: Fatigue may play an important role in the relationship between poor ergonomics and deficits in quality and productivity. However, well-controlled laboratory studies in this area have several limitations, including the lack of work relevance of fatigue exposures and lack of both physical and cognitive measures...
November 2017: Human Factors
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