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Whitney Marsh, Heith Copes, Travis Linnemann
BACKGROUND: Because of increased law enforcement and subsequent media attention, methamphetamine users appear in the public's imagination as diseased, zombie-like White trash. We explore methamphetamine users' perceptions about whether the images, people, and situations in anti-methamphetamine campaigns reflect their own lives and experiences using meth. METHODS: To explore these perceptions, we used photo-elicitation interviews with 47 people who used methamphetamine (30 former and 17 active)...
October 18, 2016: International Journal on Drug Policy
Alan F Cowman, Julie Healer, Danushka Marapana, Kevin Marsh
Malaria has been a major global health problem of humans through history and is a leading cause of death and disease across many tropical and subtropical countries. Over the last fifteen years renewed efforts at control have reduced the prevalence of malaria by over half, raising the prospect that elimination and perhaps eradication may be a long-term possibility. Achievement of this goal requires the development of new tools including novel antimalarial drugs and more efficacious vaccines as well as an increased understanding of the disease and biology of the parasite...
October 20, 2016: Cell
Helena Jahncke, Patrik Björkeholm, John E Marsh, Johan Odelius, Patrik Sörqvist
BACKGROUND: Background speech is one of the most disturbing noise sources at shared workplaces in terms of both annoyance and performance-related disruption. Therefore, it is important to identify techniques that can efficiently protect performance against distraction. It is also important that the techniques are perceived as satisfactory and are subjectively evaluated as effective in their capacity to reduce distraction. OBJECTIVE: The aim of the current study was to compare three methods of attenuating distraction from background speech: masking a background voice with nature sound through headphones, masking a background voice with other voices through headphones and merely wearing headphones (without masking) as a way to attenuate the background sound...
October 17, 2016: Work: a Journal of Prevention, Assessment, and Rehabilitation
Matthew Kurien, David S Sanders, Anders Ekbom, Carolina Ciacci, Jonas F Ludvigsson
BACKGROUND: The detection of celiac disease (CD) is suboptimal. AIMS: We hypothesized that misdiagnosis is leading to diagnostic delays, and examine this assertion by determining if patients have increased risk of abdominal surgery before CD diagnosis. METHODS: Through biopsy reports from Sweden's 28 pathology departments we identified all individuals with CD (Marsh stage 3; n=29,096). Using hospital-based data on inpatient and outpatient surgery recorded in the Swedish Patient Register, we compared abdominal surgery (appendectomy, laparotomy, biliary tract surgery, and uterine surgery) with that in 144,522 controls matched for age, sex, county and calendar year...
September 26, 2016: Digestive and Liver Disease
David Samuel Johnson, R Scott Warren, Linda A Deegan, Thomas J Mozdzer
In saltmarsh plant communities, bottom-up pressure from nutrient enrichment is predicted to increase productivity, alter community structure, decrease biodiversity, and alter ecosystem functioning. Previous work supporting these predictions has been based largely on short-term, plot-level (e.g., 1-300 m(2) ) studies, which may miss landscape-level phenomena that drive ecosystem-level responses. We implemented an ecosystem-scale, nine-year nutrient experiment to examine how saltmarsh plants respond to simulated conditions of coastal eutrophication...
July 27, 2016: Ecological Applications: a Publication of the Ecological Society of America
Alexandra Witze
No abstract text is available yet for this article.
October 19, 2016: Nature
Shannon Kelly, Keith Quirolo, Anne Marsh, Lynne Neumayr, Alicia Garcia, Brian Custer
BACKGROUND: Chronic red blood cell (RBC) transfusion therapy (CTT) is an integral component of the management of severe sickle cell disease (SCD) and can prevent complications, such as stroke. RBC units can be administered via simple transfusion or exchange transfusion, and erythrocytapheresis (automated RBC exchange transfusion [aRBX]), is increasingly used for CTT. Comparisons of simple and aRBX transfusions are limited, and the current scope of aRBX use is not known. STUDY DESIGN AND METHODS: We administered a survey to define current transfusion practices for CTT and performed a review of the erythrocytapheresis literature...
October 19, 2016: Transfusion
Leonie Segal, Claire Marsh, Rob Heyes
OBJECTIVES: We explored the real cost of training the workforce in a range of primary health care professions in Australia with a focus on the impact of retention to contribute to the debate on how best to achieve the optimal health workforce mix. METHODS: The cost to train an entry-level health professional across 12 disciplines was derived from university fees, payment for clinical placements and, where relevant, cost of internship, adjusted for student drop-out...
October 6, 2016: Journal of Health Services Research & Policy
Elizabeth Pisani, Peter Aaby, J Gabrielle Breugelmans, David Carr, Trish Groves, Michelle Helinski, Dorcas Kamuya, Steven Kern, Katherine Littler, Vicki Marsh, Souleymane Mboup, Laura Merson, Osman Sankoh, Micaela Serafini, Martin Schneider, Vreni Schoenenberger, Philippe J Guerin
No abstract text is available yet for this article.
October 10, 2016: BMJ: British Medical Journal
Fathy Abdel-Ghaffar, Rewaida Abdel-Gaber, Sherein Maher, Nashwa El Deeb, Reem Kamel, Saleh Al Quraishy, Heinz Mehlhorn
Myxozoans are one of the most economically important groups of protozoan parasites causing many serious diseases of their hosts. In the present study, a total of 60 live adult male specimens of the marsh frog Rana ridibunda have been randomly captured during the period of January-December 2015 in different areas at Kafr El-Sheikh Governorate, Egypt and were examined for infection by myxosporidian parasites. A total of 48 (80.0 %) out of 60 frog specimens were found to be infected with Myxobolus species. Parasitic infection was restricted to the testicular tissue of the examined frogs...
October 19, 2016: Parasitology Research
Agathe D Jadczak, Naresh Makwana, Natalie D Luscombe-Marsh, Renuka Visvanathan, Timothy J Schultz
The objectives of this umbrella review are to determine the effectiveness of exercise interventions, alone or in combination with other interventions, for improving physical function in community-dwelling older people who are identified as frail or at risk of frailty, and to identify if any particular intervention type or characteristic is the most effective.Specifically, the review question is: What is the effectiveness of exercise interventions, alone or in combination with other interventions, for improving physical function in community-dwelling older people identified as frail or at risk of frailty?...
September 2016: JBI Database of Systematic Reviews and Implementation Reports
Corey Butler, Suzanne Marsh, Joseph W Domitrovich, Jim Helmkamp
BACKGROUND: Wildland fire fighting is a high-risk occupation requiring considerable physical and psychological demands. Multiple agencies publish fatality summaries for wildland fire fighters; however, the reported number and types vary. At least five different surveillance systems capture deaths, each with varying case definitions and case inclusion/exclusion criteria. Four are population-level systems and one is case-based. System differences create challenges to accurately characterize fatalities...
October 18, 2016: Journal of Occupational and Environmental Hygiene
Michael Marsh
No abstract text is available yet for this article.
November 2016: BJOG: An International Journal of Obstetrics and Gynaecology
Yanan Cao, Xiangyi Cao, Zhenzhu Yue, Ling Wang
Behavioral and recent neuroimaging findings have shown reversal of interference effects due to manipulating proportion congruency (PC), which suggests that task-irrelevant stimulus-response (S-R) associations are strengthened and applied to predict responses. However, it is unclear how the strengthened S-R associations are represented and applied in the brain. We investigated with a between-subjects PC paradigm of the Hedge and Marsh task using electroencephalography (EEG). The behavioral results showed the reversal of the conflict effects, suggesting that task-irrelevant S-R associations were strengthened and used to prepare responses...
October 17, 2016: Cognitive, Affective & Behavioral Neuroscience
R Hurlemann, N Marsh
Numerous honorary initiatives for humanitarian aid towards refugees illustrate the high prevalence of altruistic behavior in the population. In medicine, an exquisite example of a human propensity for altruism is organ donation. Current perspectives on the neurobiology of altruism suggest that it is deeply rooted in the motivational architecture of the social brain. This is reflected by the social evolution of cooperation and parochialism, both of which are modulated by the evolutionarily conserved peptide hormone oxytocin...
October 17, 2016: Der Nervenarzt
Ong-Art Phruetthiphat, Michael Willey, Matthew D Karam, Yubo Gao, Brian O Westerlind, J Lawrence Marsh
OBJECTIVE: To compare patients with acetabular fractures that are isolated (acetabular fracture alone) and acetabular fracture presenting with additional non-acetabular injury using functional outcomes, complications, and readmissions. DESIGN: Retrospective review SETTING:: Level 1 Trauma CenterPatients/Participants: 215 patients underwent open surgical treatment for acetabular fracture between 2003 and 2012 with age ≥18 years and minimum one year follow-up inclusive of functional scores and complications...
October 5, 2016: Journal of Orthopaedic Trauma
Shanmuganathan Chandrakasan, Rebecca A Marsh, Gulbu Uzel, Steven M Holland, Kara N Shah, Jack Bleesing
Patients with NEMO deficiency tolerate myeloablative hematopoietic stem cell conditioning and transplant, and most patients achieve adequate immune reconstitution to correct the underlying immune deficiency.
October 12, 2016: Journal of Allergy and Clinical Immunology
Eve Normandin, Elizabeth Chmelo, Mary F Lyles, Anthony P Marsh, Barbara J Nicklas
PURPOSE: The prevalence of metabolic syndrome is greatest in older obese adults and effective evidence-based treatment strategies are lacking. This study determined the efficacy of adding caloric restriction (CR) for weight loss to resistance training (RT) on metabolic syndrome (MetS) and its individual components in older overweight and obese adults. METHODS: We performed a 5-month randomized controlled trial in 126 older (65-79 yrs) overweight and obese (Body Mass Index: 27-35 kg/m) men and women who were assigned to progressive 3-d/wk, moderate-intensity RT with (RT+CR) or without caloric restriction (RT)...
October 13, 2016: Medicine and Science in Sports and Exercise
Mafalda Dias, Jonathan Frazer, M C David Marsh
We construct ensembles of random scalar potentials for N_{f}-interacting scalar fields using nonequilibrium random matrix theory, and use these to study the generation of observables during small-field inflation. For N_{f}=O(few), these heavily featured scalar potentials give rise to power spectra that are highly nonlinear, at odds with observations. For N_{f}≫1, the superhorizon evolution of the perturbations is generically substantial, yet the power spectra simplify considerably and become more predictive, with most realizations being well approximated by a linear power spectrum...
September 30, 2016: Physical Review Letters
Maarten Schrama, Fons van der Plas, Matty P Berg, Han Olff
1.Terrestrial ecosystems are characterised by a strong functional connection between the green (plant-herbivore-based) and brown (detritus-detritivore-based) parts of the food web, which both develop over successional time. However, the interlinked changes in green and brown food web diversity patterns in relation to key ecosystem processes are rarely studied. 2.Here, we demonstrate changes in species richness, diversity and evenness over a wide range of invertebrate green and brown trophic groups during 100 years of primary succession in a salt marsh ecosystem, using a well-calibrated chronosequence...
October 14, 2016: Journal of Animal Ecology
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