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https://www.readbyqxmd.com/read/28640950/development-of-a-monte-carlo-multiple-source-model-for-inclusion-in-a-dose-calculation-auditing-tool
#1
Austin M Faught, Scott E Davidson, Jonas Fontenot, Stephen F Kry, Carol Etzel, Geoffrey S Ibbott, David S Followill
PURPOSE: The Imaging and Radiation Oncology Core Houston (IROC-H) (formerly the Radiological Physics Center) has reported varying levels of agreement in their anthropomorphic phantom audits. There is reason to believe one source of error in this observed disagreement is the accuracy of the dose calculation algorithms and heterogeneity corrections used. To audit this component of the radiotherapy treatment process an independent dose calculation tool is needed. METHODS: Monte Carlo multiple source models for Elekta 6MV and 10MV therapeutic x-ray beams were commissioned based on measurement of central axis depth dose data for a 10 x 10 cm(2) field size and dose profiles for a 40 x 40 cm(2) field size...
June 22, 2017: Medical Physics
https://www.readbyqxmd.com/read/28636762/european-diabetes-research-and-its-funding-2002-2013
#2
M Begum, G Lewison, S Sommariva, O Ciani, R Tarricone, R Sullivan
AIM: This study examined the outputs of research papers in diabetes from 31 European countries between 2002 and 2013, and their funding. METHODS: Diabetes research papers in the Web of Science were identified by means of a filter based on journals and title words. For 2009-2013 papers, the funders were coded to show their sector and nationality. RESULTS: Europe published 40 547 diabetes papers in the 12 years between 2002 and 2013. Denmark, Sweden and Finland published the most relative to their wealth, but the UK published the most absolutely despite an apparently low burden (as measured by disability-adjusted life years)...
June 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28635088/arts-and-cultural-activity-a-vital-part-of-the-health-and-care-system
#3
Paul L Cann
This article discusses how the arts and cultural activities are a vital part of a health and care system and have potential to fulfil the theme of active ageing. The changing nature of care provision in response to demographic change, fiscal pressure and increasingly consumerist attitudes on the part of care users, is considered. Selected examples of how participation in arts and cultural activities increases not only well-being but also health outcomes are then outlined. The article highlights the potential of 'cultural commissioning' and within that 'arts on prescription' - public funding of arts-related activities for people with care needs - and advocates investment in arts and cultural activities to better meet the demands of health, social care and aged care...
June 2017: Australasian Journal on Ageing
https://www.readbyqxmd.com/read/28634767/including-people-with-dementia-in-research-an-analysis-of-australian-ethical-and-legal-rules-and-recommendations-for-reform
#4
Nola M Ries, Katie A Thompson, Michael Lowe
Research is crucial to advancing knowledge about dementia, yet the burden of the disease currently outpaces research activity. Research often excludes people with dementia and other cognitive impairments because researchers and ethics committees are concerned about issues related to capacity, consent, and substitute decision-making. In Australia, participation in research by people with cognitive impairment is governed by a national ethics statement and a patchwork of state and territorial laws that have widely varying rules...
June 20, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/28634658/the-utci-and-the-isb
#5
Gerd Jendritzky, Peter Höppe
Thermal effects of the environment are the most prominent environmental influences on the human body. Keeping the body core temperature in a narrow optimum range is the dominating physiological process. Thus, assessing thermal environments has been a major field in biometeorology for many decades, which is also reflected in the number of respective articles and their citations. In the early days of thermal assessments, simple indices only considering a few environmental parameters were used. The next step has been the development of heat budget models describing all relevant heat/energy fluxes to and from the human body...
June 20, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28634495/choking-hazards-are-current-product-testing-methods-for-small-parts-adequate
#6
Athena Neofotistos, Nancy Cowles, Ragini Sharma
Choking on small parts remains one of the leading causes of death and injury in infants and toddlers. The current method of testing for small parts, created by the Consumer Product Safety Commission (CPSC), has become outdated and has yet to be changed despite the many deaths and injuries of children. The method uses a device called the small parts test fixture (SPTF) that is supposed to mimic the size of a fully expanded throat of a toddler. If a product does not fit inside the cavity of the SPTF, then it is deemed safe to play with because it "will not fit" in the esophagus of a child...
2017: International Journal of Pediatrics
https://www.readbyqxmd.com/read/28632979/baccn-clinically-commissioned-papers
#7
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Nursing in Critical Care
https://www.readbyqxmd.com/read/28631425/retraction-statement-mitochondrial-protein-acetylation-mediates-nutrient-sensing-of-mitochondrial-protein-synthesis-and-mitonuclear-protein-balance
#8
(no author information available yet)
IUBMB Life (2014) 66:793-802. DOI: 10.1002/iub.1328 The above article, published online on November 15, 2014 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the journal's Editors-in-Chief, Angelo Azzi and William J. Whelan, Corresponding Author Tina Wenz, the University of Cologne, and Wiley Periodicals, Inc. The article has been retracted on request of the University of Cologne that, after an investigation, established that the data reported in it are not reproducible...
July 2017: IUBMB Life
https://www.readbyqxmd.com/read/28630886/review-of-the-current-status-of-radiation-protection-in-diagnostic-radiology-in-africa
#9
REVIEW
Wilbroad Muhogora, Madan M Rehani
The aim of this paper is to review the available published studies from African countries on patient doses and medical radiation protection and identify strengths, weaknesses, and challenges. Papers on radiation doses to patients published until 2016 pertaining to studies in African countries were reviewed. Radiography, interventional radiology, computed tomography (CT), and mammography modalities were covered. In radiography, the entrance surface air kerma values were below the established diagnostic reference levels (DRLs) provided by the International Atomic Energy Agency, European Commission, and National Council on Radiation Protection and Measurements...
July 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28630655/neural-patterns-elicited-by-sentence-processing-uniquely-characterize-typical-development-sli-recovery-and-sli-persistence
#10
Eileen Haebig, Christine Weber, Laurence B Leonard, Patricia Deevy, J Bruce Tomblin
BACKGROUND: A substantial amount of work has examined language abilities in young children with specific language impairment (SLI); however, our understanding of the developmental trajectory of language impairment is limited. Along with studying the behavioral changes that occur across development, it is important to examine the neural indices of language processing for children with different language trajectories. The current study sought to examine behavioral and neural bases of language processing in adolescents showing three different trajectories: those with normal language development (NL), those exhibiting persistent SLI (SLI-Persistent), and those with a history of SLI who appear to have recovered (SLI-Recovered)...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28628782/incorporation-of-a-health-economic-modelling-tool-into-public-health-commissioning-evidence-use-in-a-politicised-context
#11
Tom Sanders, Amy Grove, Sarah Salway, Susan Hampshaw, Elizabeth Goyder
This paper explores how commissioners working in an English local government authority (LA) viewed a health economic decision tool for planning services in relation to diabetes. We conducted 15 interviews and 2 focus groups between July 2015 and February 2016, with commissioners (including public health managers, data analysts and council members). Two overlapping themes were identified explaining the obstacles and enablers of using such a tool in commissioning: a) evidence cultures, and b) system interdependency...
June 12, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28628151/-assessment-and-comparison-of-hospital-operating-efficiency-under-different-management-systems
#12
(no author information available yet)
OBJECTIVE: To assess and analyze the operation efficiency of 8 commission general public hospitals managed directly by National Health and Family Planning Commission and 8 municipal general hospitals managed directly by Beijing Municipal Administration of Hospitals in Beijing and to provide suggestions on improving service capacity and designing relevant health policy. METHODS: Input and output data of 8 commission hospitals and 8 municipal hospitals were obtained from Beijing Direct-Reported Health Statistics data from 2011 to 2014...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28626920/experimental-verification-of-egsnrc-monte-carlo-calculated-depth-doses-within-a-realistic-parallel-magnetic-field-in-a-polystyrene-phantom
#13
Andrei Ghila, Stephen Steciw, B Gino Fallone, Satyapal Rathee
PURPOSE: Integrating a linac with a magnetic resonance imager (MRI) will revolutionize the accuracy of external beam radiation treatments. Irradiating in the presence of a strong magnetic field, however, will modify the dose distribution. These dose modifications have been investigated previously, mainly using Monte Carlo simulations. The purpose of this work is to experimentally verify the use of the EGSnrc Monte Carlo (MC) package for calculating percent depth doses (PDDs) in a homogeneous phantom, in the presence of a realistic parallel magnetic field...
June 19, 2017: Medical Physics
https://www.readbyqxmd.com/read/28625946/educational-needs-of-epileptologists-regarding-psychiatric-comorbidities-of-the-epilepsies-a-descriptive-quantitative-survey
#14
Marco Mula, Esper Cavalheiro, Alla Guekht, Andres M Kanner, Hyang Woon Lee, Cigdem Ozkara, Alfredo Thomson, Sarah J Wilson
Psychiatric disorders are relatively frequent comorbidities in epilepsy and they have an impact on morbidity, mortality, and quality of life. This is a report from the Task Force on Education of the ILAE Commission on Neuropsychiatry based on a survey about educational needs of epileptologists regarding management of the psychiatric comorbidities of epilepsy. The Task Force designed a quantitative questionnaire to survey the self-perceived confidence of child and adult epileptologists and psychiatrists in managing major psychiatric comorbidities of epilepsy to identify: (1) critical areas of improvement from a list of skills that are usually considered necessary for effective management of these conditions, and (2) the preferred educational format for improving these skills...
June 19, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28625665/color-stability-of-glass-fiber-reinforced-polypropylene-for-non-metal-clasp-dentures
#15
Manamu Nagakura, Yasuhiro Tanimoto, Norihiro Nishiyama
PURPOSE: The purpose of this study was to investigate the color stability of a glass-fiber-reinforced thermoplastic (GFRTP), for use in non-metal clasp dentures (NMCDs). METHODS: GFRTPs composed of E-glass fibers and polypropylene with 2 mass% of pigments were fabricated using injection molding. According to our previous study on the optimum fiber content for GFRTPs, we prepared GFRTPs with fiber contents of 0, 10, and 20 mass% (GF0, GF10, and GF20). Commercially available NMCD and PMMA materials were used as controls...
June 15, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28625494/acute-stress-shifts-the-balance-between-controlled-and-automatic-processes-in-prospective-memory
#16
Marcus Möschl, Moritz Walser, Franziska Plessow, Thomas Goschke, Rico Fischer
In everyday life we frequently rely on our abilities to postpone intentions until later occasions (prospective memory; PM) and to deactivate completed intentions even in stressful situations. Yet, little is known about the effects of acute stress on these abilities. In the present work we investigated the impact of acute stress on PM functioning under high task demands. 1) Different from previous studies, in which intention deactivation required mostly low processing demands, we used salient focal PM cues to induce high processing demands during intention-deactivation phases...
June 15, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28624329/the-bebig-valencia-type-skin-applicators-dosimetric-study-and-implementation-of-a-dosimetric-hybrid-technique
#17
Georgios Anagnostopoulos, Michael Andrássy, Dimos Baltas
PURPOSE: To determine the relative dose rate distribution in water for the Bebig 20 mm and 30 mm skin applicators and report results in a form suitable for potential clinical use. Results for both skin applicators are also provided in the form of a hybrid Task Group 43 (TG-43) dosimetry technique. Furthermore, the radiation leakage around both skin applicators from the radiation protection point of view and the impact of the geometrical source position uncertainties are studied and reported...
June 14, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28622939/social-preferences-for-prioritizing-the-treatment-of-severely-ill-patients-the-relevance-of-severity-expected-benefit-past-health-and-lifetime-health
#18
John McKie, Jeff Richardson
The study examined the preferences of a sample of the Australian public and health professionals regarding the relative importance of four different criteria for prioritizing between patients: the severity of the condition, the size of the benefit from the intervention, past health losses and expected lifetime health. A discussion-group methodology was adopted to elicit social preferences. This allowed participants time to consider all of the alternatives fully, to seek clarification of the task, and to engage in open debate about the issues raised...
June 1, 2017: Health Policy
https://www.readbyqxmd.com/read/28622872/processes-of-local-alcohol-policy-making-in-england-does-the-theory-of-policy-transfer-provide-useful-insights-into-public-health-decision-making
#19
Lucy Gavens, John Holmes, Penny Buykx, Frank de Vocht, Matt Egan, Daniel Grace, Karen Lock, John D Mooney, Alan Brennan
BACKGROUND AND AIMS: Recent years have seen a rise in new and innovative policies to reduce alcohol consumption and related harm in England, which can be implemented by local, as opposed to national, policy-makers. The aim of this paper is to explore the processes that underpin the adoption of these alcohol policies within local authorities. In particular, it aims to assess whether the concept of policy transfer (i.e. a process through which knowledge about policies in one place is used in the development of policies in another time or place) provides a useful model for understanding local alcohol policy-making...
June 13, 2017: Health & Place
https://www.readbyqxmd.com/read/28622024/comparison-of-radiation-exposure-from-fixed-table-fluoroscopy-to-a-portable-c-arm-during-ureteroscopy
#20
Fernando Cabrera, Richard Shin, Kyle Waisanen, Giao Nguyen, Charles D Scales, Michael N Ferrandino, Glenn M Preminger, Terry T Yoshizumi, Michael Eric Lipkin
INTRODUCTION: Fluoroscopy is widely used during endourologic procedures and is associated with treatment required radiation exposure. Our objective was to estimate patient radiation exposure during fluoroscopy with either a fixed table or portable C-arm using a validated anthropomorphic adult male model. MATERIALS AND METHODS: A validated male anthropomorphic model was placed supine on both a cystoscopy operating room table and a fixed fluoroscopy table unit. Metal oxide semiconductor field effect transistor dosimeters were placed at 20 organ-specific locations in the model to measure organ specific dosages...
June 16, 2017: Journal of Endourology
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