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https://www.readbyqxmd.com/read/28926952/medium-access-control-protocols-for-cognitive-radio-ad-hoc-networks-a-survey
#1
REVIEW
Mahdi Zareei, A K M Muzahidul Islam, Sabariah Baharun, Cesar Vargas-Rosales, Leyre Azpilicueta, Nafees Mansoor
New wireless network paradigms will demand higher spectrum use and availability to cope with emerging data-hungry devices. Traditional static spectrum allocation policies cause spectrum scarcity, and new paradigms such as Cognitive Radio (CR) and new protocols and techniques need to be developed in order to have efficient spectrum usage. Medium Access Control (MAC) protocols are accountable for recognizing free spectrum, scheduling available resources and coordinating the coexistence of heterogeneous systems and users...
September 16, 2017: Sensors
https://www.readbyqxmd.com/read/28926804/name-that-tune-mitigation-of-driver-fatigue-via-a-song-naming-game
#2
Michael C Trumbo, Aaron P Jones, Charles S H Robinson, Kerstan Cole, James D Morrow
Fatigued driving contributes to a substantial number of motor vehicle accidents each year. Music listening is often employed as a countermeasure during driving in order to mitigate the effects of fatigue. Though music listening has been established as a distractor in the sense that it increases cognitive load during driving, it is possible that increased cognitive load is desirable under particular circumstances. For instance, during situations that typically result in cognitive underload, such as driving in a low-traffic monotonous stretch of highway, it may be beneficial for cognitive load to increase, thereby necessitating allocation of greater cognitive resources to the task of driving and attenuating fatigue...
September 16, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28926030/the-allocation-of-resources-for-animal-health
#3
K S Howe
Economics is too important to be left to the experts. This paper is therefore mainly for animal health policy-makers who are not economists but want a better appreciation of how economics can contribute to resource allocation decisions. First, the methodology of economic analysis is outlined with the objective of dispelling criticisms of its simplifying assumption of rationality. Then, unusual in economics but more familiar to biological and veterinary scientists, the technical aspects of transforming resources into products are discussed...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28926028/achieving-an-optimal-allocation-of-resources-for-animal-health-surveillance-intervention-and-disease-mitigation
#4
B Hasler, A Delabouglise, S Babo Martins
The primary role of animal health economics is to inform decision-making by determining optimal investments for animal health. Animal health surveillance produces information to guide interventions. Consequently, investments in surveillance and intervention must be evaluated together. This article explores the different theoretical frameworks and methods developed to assess and optimise the spending of resources in surveillance and intervention and their technical interdependence. The authors present frameworks that define the relationship between health investment and losses due to disease, and the relationship between surveillance and intervention resources...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28925716/differential-neural-activation-when-voluntarily-regulating-emotions-in-service-members-with-chronic-mild-traumatic-brain-injury
#5
Michael N Dretsch, Thomas A Daniel, Adam M Goodman, Jeffrey S Katz, Thomas Denney, Gopikrishna Deshpande, Jennifer L Robinson
The objective of this study was to characterize the functional activation of the neural correlates of voluntary regulation of emotion in soldiers both with and without chronic mild traumatic brain injury (mTBI). Using functional magnetic resonance imaging (fMRI) and a battery of cognitive and psychological health measures, we assessed differences between active-duty U.S. soldiers with chronic mTBI (n = 37) and without (Controls, n = 35). Participants were instructed to maintain (passively view), enhance, and suppress emotions associated with negative and neutral visual stimuli...
September 19, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28925587/lessons-learned-from-the-development-and-parameterization-of-a-computer-simulation-model-to-evaluate-task-modification-for-healthcare-providers
#6
Parastu Kasaie, W David Kelton, Rachel M Ancona, Michael J Ward, Craig M Froehle, Michael S Lyons
Computer simulation is a highly advantageous method for understanding and improving healthcare operations with a wide variety of possible applications. Most computer-simulation studies in emergency medicine have sought to improve allocation of resources to meet demand, or to assess the impact of hospital and other system policies on emergency department (ED) throughput. These models have enabled essential discoveries that can be used to improve the general structure and functioning of EDs. Theoretically, computer simulation could also be used to examine the impact of adding or modifying specific provider tasks...
September 19, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28925508/the-cost-effectiveness-of-oral-health-interventions-a-systematic-review-of-cost-utility-analyses
#7
Ruvini M Hettiarachchi, Sanjeewa Kularatna, Martin J Downes, Joshua Byrnes, Jeroen Kroon, Ratilal Lalloo, Newell W Johnson, Paul A Scuffham
OBJECTIVES: To assess the usage of cost-utility analysis (CUA) in oral health interventions and to evaluate the methods used and the reporting quality of CUA in publications on oral health interventions. METHODS: A systematic review was performed on literature published between 2000 and 2016 where cost-utility analyses of oral health interventions were included. The reporting quality of these oral health CUAs was assessed against the Consolidated Health Economic Evaluation Reporting Standards (CHEERS) checklist...
September 19, 2017: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/28923070/univariate-and-multivariate-spatial-models-of-health-facility-utilisation-for-childhood-fevers-in-an-area-on-the-coast-of-kenya
#8
Paul O Ouma, Nathan O Agutu, Robert W Snow, Abdisalan M Noor
BACKGROUND: Precise quantification of health service utilisation is important for the estimation of disease burden and allocation of health resources. Current approaches to mapping health facility utilisation rely on spatial accessibility alone as the predictor. However, other spatially varying social, demographic and economic factors may affect the use of health services. The exclusion of these factors can lead to the inaccurate estimation of health facility utilisation. Here, we compare the accuracy of a univariate spatial model, developed only from estimated travel time, to a multivariate model that also includes relevant social, demographic and economic factors...
September 18, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28922206/hidden-costs-of-hospitalization-after-firearm-injury-national-analysis-of-different-hospital-readmission
#9
Rishi Rattan, Joshua Parreco, Nicholas Namias, Gerd D Pust, D Dante Yeh, Tanya L Zakrison
OBJECTIVE: To compare the risk factors and costs associated with readmission after firearm injury nationally, including different hospitals. BACKGROUND: No national studies capture readmission to different hospitals after firearm injury. METHODS: The 2013 to 2014 Nationwide Readmissions Database was queried for patients admitted after firearm injury. Logistic regression identified risk factors for 30-day same and different hospital readmission...
September 15, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28920519/withdrawal-of-spatial-overt-attention-following-intentional-forgetting-evidence-from-eye-movements
#10
Yuh-Shiow Lee
Eye movements were measured to examine whether item-method directed forgetting involved a spatial overt attention shift. Experiment 1 showed that participants' eyes were moved away from the study word following the forget and ignore cues, but not the remember cue. Experiment 2 revealed that the eyes were moved away from the area that covered by the study word even when the study word disappeared upon the presentation of the memory cue. Both the study word and memory cue were presented auditorily in Experiment 3...
September 18, 2017: Memory
https://www.readbyqxmd.com/read/28920504/outpatient-cervical-ripening-in-a-district-general-hospital-a-five-year-retrospective-cohort-study
#11
Lauren Barnfield, Edmund Neale, Sarah Reynolds
The number of women undergoing induction of labour has risen steadily in recent years. Outpatient induction is becoming more common in the UK in response to the required increase in resources, although evidence supporting its safety is lacking. We reviewed the notes of low-risk women presenting for outpatient cervical ripening using prostaglandins over a five-year period, and compared our neonatal and maternal outcomes to local and national data. Of the 502 eligible women, 400 underwent outpatient treatment...
September 18, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28919118/global-regional-and-national-disability-adjusted-life-years-dalys-for-333-diseases-and-injuries-and-healthy-life-expectancy-hale-for-195-countries-and-territories-1990-2016-a-systematic-analysis-for-the-global-burden-of-disease-study-2016
#12
(no author information available yet)
BACKGROUND: Measurement of changes in health across locations is useful to compare and contrast changing epidemiological patterns against health system performance and identify specific needs for resource allocation in research, policy development, and programme decision making. Using the Global Burden of Diseases, Injuries, and Risk Factors Study 2016, we drew from two widely used summary measures to monitor such changes in population health: disability-adjusted life-years (DALYs) and healthy life expectancy (HALE)...
September 16, 2017: Lancet
https://www.readbyqxmd.com/read/28918762/standard-comparison-of-local-mental-health-care-systems-in-eight-european-countries
#13
M R Gutiérrez-Colosía, L Salvador-Carulla, J A Salinas-Pérez, C R García-Alonso, J Cid, D Salazzari, I Montagni, F Tedeschi, G Cetrano, K Chevreul, J Kalseth, G Hagmair, C Straßmayr, A L Park, R Sfectu, T Ala-Nikkola, J L González-Caballero, L Rabbi, B Kalseth, F Amaddeo
AIMS: There is a need of more quantitative standardised data to compare local Mental Health Systems (MHSs) across international jurisdictions. Problems related to terminological variability and commensurability in the evaluation of services hamper like-with-like comparisons and hinder the development of work in this area. This study was aimed to provide standard assessment and comparison of MHS in selected local areas in Europe, contributing to a better understanding of MHS and related allocation of resources at local level and to lessen the scarcity in standard service comparison in Europe...
September 18, 2017: Epidemiology and Psychiatric Sciences
https://www.readbyqxmd.com/read/28916772/limits-of-predictability-of-cascading-overload-failures-in-spatially-embedded-networks-with-distributed-flows
#14
A Moussawi, N Derzsy, X Lin, B K Szymanski, G Korniss
Cascading failures are a critical vulnerability of complex information or infrastructure networks. Here we investigate the properties of load-based cascading failures in real and synthetic spatially-embedded network structures, and propose mitigation strategies to reduce the severity of damages caused by such failures. We introduce a stochastic method for optimal heterogeneous distribution of resources (node capacities) subject to a fixed total cost. Additionally, we design and compare the performance of networks with N-stable and (N-1)-stable network-capacity allocations by triggering cascades using various real-world node-attack and node-failure scenarios...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28915808/fall-prevention-is-the-stratify-tool-the-right-instrument-in-italian-hospital-inpatient-a-retrospective-observational-study
#15
Greta Castellini, Antonia Demarchi, Monica Lanzoni, Silvana Castaldi
BACKGROUND: Although several risk assessment tools are in use, uncertainties on their accuracy in detecting fall risk already exist. Choosing the most accurate tool for hospital inpatient is still a challenge for the organizations. We aimed to retrospectively assess the appropriateness of a fall risk prevention program with the STRATIFY assessment tool in detecting acute-care inpatient fall risk. METHODS: Number of falls and near falls, occurred from January 2014 to March 2015, was collected through the incident reporting web-system implemented in the hospital's intranet...
September 15, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28915513/the-influence-of-executive-functions-on-phonemic-processing-in-children-who-do-and-do-not-stutter
#16
Jayanthi Sasisekaran, Shriya Basu
Purpose: The aim of the present study was to investigate dual-task performance in children who stutter (CWS) and those who do not to investigate if the groups differed in the ability to attend and allocate cognitive resources effectively during task performance. Method: Participants were 24 children (12 CWS) in both groups matched for age and sex. For the primary task, participants performed a phoneme monitoring in a picture-written word interference task. For the secondary task, participants made pitch judgments on tones presented at varying (short, long) stimulus onset asynchrony (SOA) from the onset of the picture...
September 15, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28914585/planning-future-care-services-analyses-of-investments-in-norwegian-municipalities
#17
Terje P Hagen, Laila Tingvold
AIMS: To analyse whether the Norwegian Central Government's goal of subsidizing 12,000 places in nursing homes or sheltered housing using an earmarked grant was reached and to determine towards which group of users the planned investments were targeted. METHODS: Data from the investment plans at municipal level were provided by the Norwegian Housing Bank and linked to variables describing the municipalities' financial situation as well as variables describing the local needs for services provided by Statistics Norway...
September 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28914169/development-of-an-algorithm-for-determination-of-the-likelihood-of-virological-failure-in-hiv-positive-adults-receiving-antiretroviral-therapy-in-decentralized-care
#18
Anton Reepalu, Taye Tolera Balcha, Sten Skogmar, Per-Erik Isberg, Patrik Medstrand, Per Björkman
BACKGROUND: Early identification of virological failure (VF) limits occurrence and spread of drug-resistant viruses in patients receiving antiretroviral treatment (ART). Viral load (VL) monitoring is therefore recommended, but capacities to comply with this are insufficient in many low-income countries. Clinical algorithms might identify persons at higher likelihood of VF to allocate VL resources. OBJECTIVES: We aimed to construct a VF algorithm (the Viral Load Testing Criteria; VLTC) and compare its performance to the 2013 WHO treatment failure criteria...
2017: Global Health Action
https://www.readbyqxmd.com/read/28913937/healthcare-professionals-perceptions-of-neglect-of-older-people-in-mexico-a-qualitative-secondary-analysis
#19
Billy A Caceres, Linda Bub, Maria Isabel Negrete, Liliana Giraldo Rodríguez, Allison P Squires
AIMS AND OBJECTIVES: To describe healthcare professionals' perceptions of neglect of older people in Mexico. BACKGROUND: Mistreatment of older people, particularly neglect, has emerged as a significant public health concern worldwide. However, few studies have been conducted to examine neglect of older people in low- and middle-income countries. Most research has focused on estimating the prevalence of neglect in older populations with little emphasis on the perceptions of healthcare professionals and their role in addressing neglect of older people...
September 15, 2017: International Journal of Older People Nursing
https://www.readbyqxmd.com/read/28913887/the-equity-of-access-to-primary-dental-care-in-s%C3%A3-o-paulo-brazil-a-geospatial-analysis
#20
Aidan Yuen, Carla Martins Rocha, Estie Kruger, Marc Tennant
OBJECTIVES: Brazil is one of the largest countries in the world, in terms of geography and population. Most Brazilians reside in the south and south-eastern regions, with notable numbers in the regions' megacities, such as São Paulo city. Healthcare provision in such a complex environment is difficult. Thus, a clear understanding of the distribution - or rather, the maldistribution - of these services is fundamental for optimising the allocation of human and financial resources to areas of greatest privation...
September 15, 2017: International Dental Journal
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