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https://www.readbyqxmd.com/read/28734126/german-estsmoke-estimating-adult-smoking-related-costs-and-consequences-of-smoking-cessation-for-germany
#1
Diana Sonntag, Simon Gilbody, Winkler Volker, Shehzad Ali
AIMS: We compared predicted lifetime health care costs for current, never and ex-smokers in Germany under the current set of tobacco control polices. We compared these economic consequences of the current situation with an alternative in which Germany were to implement more comprehensive tobacco control policies consistent with the WHO Framework Convention for Tobacco Control (FCTC) guidelines. DESIGN: German EstSmoke, an adapted version of the UK EstSmoke simulation model, applies the Markov modelling approach...
July 22, 2017: Addiction
https://www.readbyqxmd.com/read/28732440/intravenous-injection-of-myelin-oligodendrocyte-glycoprotein-coated-plga-microparticles-have-tolerogenic-effects-in-experimental-autoimmune-encephalomyelitis
#2
Mehrdad Gholamzad, Masoumeh Ebtekar, Mehdi Shafiee Ardestani
The abnormal function of the T lymphocytes causes a range of autoimmune diseases, particularly multiple sclerosis; hence, several methods have been used to treat these disorders through the induction of antigen-specific tolerance in T cells. The present study aims to use a simple and low-cost method to produce poly (lactic-co-glycolic acid) (PLGA) nanoparticles for carrying antigens and inducing antigen-specific tolerance. In this study, PLGA nanoparticles were produced using the water/oil/water (W/O/W) method...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28732275/plot-farm-and-watershed-scale-effects-of-coffee-cultivation-in-runoff-and-sediment-production-in-western-puerto-rico
#3
Carlos E Ramos-Scharrón, Yasiel Figueroa-Sánchez
The combination of a topographically abrupt wet-tropical setting with the high level of soil exposure that typifies many sun-grown coffee farms represents optimal conditions for high erosion rates. Although traditionally considered as a main cause for water resource degradation, limited empirical evidence has existed to document its true contribution. This study relies on plot-scale experimental results conducted in western Puerto Rico to assess the impact of cultivated surfaces and farm access roads on runoff and sediment production from the plot to the farm and watershed scales...
July 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28732269/gyral-net-a-new-representation-of-cortical-folding-organization
#4
Hanbo Chen, Yujie Li, Fangfei Ge, Gang Li, Dinggang Shen, Tianming Liu
One distinct feature of the cerebral cortex is its convex (gyri) and concave (sulci) folding patterns. Due to the remarkable complexity and variability of gyral/sulcal shapes, it has been challenging to quantitatively model their organization patterns. Inspired by the observation that the lines of gyral crests can form a connected graph on each brain hemisphere, we propose a new representation of cortical gyri/sulci organization pattern - gyral net, which models cortical architecture from a graph perspective, starting with nodes and edges obtained from the reconstructed cortical surfaces...
July 15, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28732192/cost-and-quality-issues-in-establishing-hematopoietic-cell-transplant-program-in-developing-countries
#5
REVIEW
Shahrukh K Hashmi, Alok Srivastava, Walid Rasheed, Salman Adil, Tong Wu, Madan Jagasia, Amr Nassar, William Y K Hwang, Amir Ali Hamidieh, Hildegard T Greinix, Marcelo C Pasquini, Jane F Apperley, Mahmoud Aljurf
The hematopoietic cell transplant (HCT) activity has grown significantly over the past two decades in both developing and developed countries. Many challenges arise in establishing new HCT programs in developing countries, due to scarcity of resources and manpower in expertise in HCT. While cost issues can potentially hinder establishment of new HCT programs in certain regions, the focus on quality and value should be included in the general vision of leadership before establishing an HCT program. The main challenge in most developing countries is the lack of trained/qualified personnel, enormous start-up costs for a tertiary care center, and quality maintenance...
July 14, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28732080/age-related-decrements-in-dual-task-performance-comparison-of-different-mobility-and-cognitive-tasks-a-cross-sectional-study
#6
Paolo Riccardo Brustio, Daniele Magistro, Massimiliano Zecca, Emanuela Rabaglietti, Monica Emma Liubicich
This cross-sectional study investigated the age-related differences in dual-task performance both in mobility and cognitive tasks and the additive dual-task costs in a sample of older, middle-aged and young adults. 74 older adults (M = 72.63±5.57 years), 58 middle-aged adults (M = 46.69±4.68 years) and 63 young adults (M = 25.34±3.00 years) participated in the study. Participants performed different mobility and subtraction tasks under both single- and dual-task conditions. Linear regressions, repeated-measures and one-way analyses of covariance were used, The results showed: significant effects of the age on the dual and mobility tasks (p<0...
2017: PloS One
https://www.readbyqxmd.com/read/28732077/mutations-in-the-caenorhabditis-elegans-orthologs-of-human-genes-required-for-mitochondrial-trna-modification-cause-similar-electron-transport-chain-defects-but-different-nuclear-responses
#7
Carmen Navarro-González, Ismaïl Moukadiri, Magda Villarroya, Ernesto López-Pascual, Simon Tuck, M-Eugenia Armengod
Several oxidative phosphorylation (OXPHOS) diseases are caused by defects in the post-transcriptional modification of mitochondrial tRNAs (mt-tRNAs). Mutations in MTO1 or GTPBP3 impair the modification of the wobble uridine at position 5 of the pyrimidine ring and cause heart failure. Mutations in TRMU affect modification at position 2 and cause liver disease. Presently, the molecular basis of the diseases and why mutations in the different genes lead to such different clinical symptoms is poorly understood...
July 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28732054/types-of-devices-used-in-ridge-split-procedure-for-alveolar-bone-expansion-a-systematic-review
#8
Nayansi Jha, Eun Ha Choi, Nagendra Kumar Kaushik, Jae Jun Ryu
The aim of this systematic review was to evaluate instrumentation procedures of the alveolar ridge expansion technique (ARST) with or without Guided Bone Regeneration (GBR) and to identify the most used instruments for successful outcome. An electronic as well as manual literature search was conducted in several databases including Medline, Embase, and Cochrane Central Register of Controlled Trials, for articles written in English up to September 2016. The question in focus was to identify the type of device for ridge expansion that is most frequently used and provides adequate bone expansion and implant success rate...
2017: PloS One
https://www.readbyqxmd.com/read/28732022/global-economic-trade-offs-between-wild-nature-and-tropical-agriculture
#9
Luis R Carrasco, Edward L Webb, William S Symes, Lian P Koh, Navjot S Sodhi
Global demands for agricultural and forestry products provide economic incentives for deforestation across the tropics. Much of this deforestation occurs with a lack of information on the spatial distribution of benefits and costs of deforestation. To inform global sustainable land-use policies, we combine geographic information systems (GIS) with a meta-analysis of ecosystem services (ES) studies to perform a spatially explicit analysis of the trade-offs between agricultural benefits, carbon emissions, and losses of multiple ecosystem services because of tropical deforestation from 2000 to 2012...
July 2017: PLoS Biology
https://www.readbyqxmd.com/read/28732015/maintenance-costs-of-serotiny-in-a-variably-serotinous-pine-the-role-of-water-supply
#10
Ruth C Martín-Sanz, Marta Callejas-Díaz, Jeanne Tonnabel, José M Climent
Serotiny is an important adaptation for plants in fire-prone environments. However, different mechanisms also induce the opening of serotinous cones in the absence of fire in variably serotinous species. Xeriscence -cone opening driven by dry and hot conditions- is considered to be mediated only by the external environment, but endogenous factors could also play a significant role. Using the variably serotinous Pinus halepensis as our model species, we determined the effects of cone age and scales density in cone opening, and using in-situ and ex-situ manipulative experiments we investigated the role of water availability in the opening of serotinous cones...
2017: PloS One
https://www.readbyqxmd.com/read/28731998/laparoendoscopic-rendez-vous-a-safe-alternative-to-the-treatment-of-choledocholithiasis
#11
Fernanda Kreve, Jonas Takada, Janaina Gatto, Francisco S Loss, Everson L A Artifon
The choice treatment for choledocholithiasis when associated with lithiasic cholecystitis is endoscopic retrograde cholangiopancreatography (ERCP). However, in some cases this therapeutic fails, which requires an alternative method to extract the stones. The surgical approach tends to be the next step, but it is related to greater complexity of achievement and higher complications rates. In 1993, Deslandres et al. developed the combined treatment called laparoendoscopic rendez-vous, that unites in a single stage the endoscopic treatment of choledocholithiasis and laparoscopic removal of the gallbladder...
April 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28731932/investing-in-physicians-is-investing-in-patients-enhancing-patient-safety-through-physician-health-and-well-being-research
#12
Elizabeth Brooks, Doris C Gundersen, Michael H Gendel
Keeping medical practitioners healthy is an important consideration for workforce satisfaction and retention, as well as public safety. However, there is limited evidence demonstrating how to best care for this group. The absence of data is related to the lack of available funding in this area of research. Supporting investigations that examine physician health often "fall through the cracks" of traditional funding opportunities, landing somewhere between patient safety and workforce development priorities...
July 20, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28731911/expert-and-self-assessment-of-lifetime-symptoms-and-diagnosis-of-major-depressive-disorder-in-large-scale-genetic-studies-in-the-general-population-comparison-of-a-clinical-interview-and-a-self-administered-checklist
#13
Jessica Martin, Fabian Streit, Jens Treutlein, Maren Lang, Josef Frank, Andreas J Forstner, Franziska Degenhardt, Stephanie H Witt, Thomas G Schulze, Sven Cichon, Markus M Nöthen, Marcella Rietschel, Jana Strohmaier
Major depression disorder (MDD) is a complex neuropsychiatric disorder and an increasing number of genetic risk variants are being identified. Investigation of their influence in the general population requires accurate and efficient assessment of depressive symptoms. Here, clinical interviews conducted by clinicians are the gold standard. We investigated whether valid and reliable clinical phenotypes can be obtained efficiently using self-administered instruments. Lifetime depressive symptoms and lifetime MDD diagnosis were assessed in 464 population-based individuals using a clinical interview and a structured, self-administered checklist...
July 20, 2017: Psychiatric Genetics
https://www.readbyqxmd.com/read/28731898/steady-progress-toward-a-malaria-vaccine
#14
Kirsten E Lyke
PURPOSE OF REVIEW: Great progress has been made in reducing malaria morbidity and mortality, yet the parasite continues to cause a startling 200 million infections and 500 000 deaths annually. Malaria vaccine development is pushing new boundaries by steady advancement toward a licensed product. RECENT FINDINGS: Despite 50 years of research, the complexity of Plasmoidum falciparum confounds all attempts to eradicate the organism. This very complexity has pushed the boundaries of vaccine development to new heights, yet it remains to be seen if an affordable vaccine can provide durable and high-level protection...
July 20, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28731876/neuraxial-drug-delivery-for-the-management-of-cancer-pain-cost-updates-and-society-guidelines
#15
Collin F M Clarke
PURPOSE OF REVIEW: The present study discusses the utilization of neuraxial drug delivery (NDD) for the management of cancer pain, based on recent trials, reviews, and guidelines with a focus on cost analysis. RECENT FINDINGS: Almost all recent publications suggest that more stringent research is needed to improve evidence on NDD, particularly as conflicting reports exist regarding cost effectiveness of drug delivery systems. The combination of local anesthetics and opioids, with or without clonidine, continues to be reported as beneficial with the utilization of patient controlled systems providing an advantage over continuous ones...
July 20, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28731847/the-colorful-world-of-extracellular-electron-shuttles
#16
Nathaniel R Glasser, Scott H Saunders, Dianne K Newman
Descriptions of the changeable, striking colors associated with secreted natural products date back well over a century. These molecules can serve as extracellular electron shuttles (EESs) that permit microbes to access substrates at a distance. In this review, we argue that the colorful world of EESs has been too long neglected. Rather than simply serving as a diagnostic attribute of a particular microbial strain, redox-active natural products likely play fundamental, underappreciated roles in the biology of their producers, particularly those that inhabit biofilms...
July 21, 2017: Annual Review of Microbiology
https://www.readbyqxmd.com/read/28731839/cost-benefit-arbitration-between-multiple-reinforcement-learning-systems
#17
Wouter Kool, Samuel J Gershman, Fiery A Cushman
Human behavior is sometimes determined by habit and other times by goal-directed planning. Modern reinforcement-learning theories formalize this distinction as a competition between a computationally cheap but inaccurate model-free system that gives rise to habits and a computationally expensive but accurate model-based system that implements planning. It is unclear, however, how people choose to allocate control between these systems. Here, we propose that arbitration occurs by comparing each system's task-specific costs and benefits...
July 1, 2017: Psychological Science
https://www.readbyqxmd.com/read/28731826/convergently-evolved-toxic-secondary-metabolites-in-plants-drive-the-parallel-molecular-evolution-of-insect-resistance
#18
Georg Petschenka, Vera Wagschal, Michael von Tschirnhaus, Alexander Donath, Susanne Dobler
Natural selection imposed by natural toxins has led to striking levels of convergent evolution at the molecular level. Cardiac glycosides represent a group of plant toxins that block the Na,K-ATPase, a vital membrane protein in animals. Several herbivorous insects have convergently evolved resistant Na,K-ATPases, and in some species, convergent gene duplications have also arisen, likely to cope with pleiotropic costs of resistance. To understand the genetic basis and predictability of these adaptations, we studied five independent lineages of leaf-mining flies (Diptera: Agromyzidae)...
August 2017: American Naturalist
https://www.readbyqxmd.com/read/28731732/observation-of-flat-electron-temperature-profiles-in-the-lithium-tokamak-experiment
#19
D P Boyle, R Majeski, J C Schmitt, C Hansen, R Kaita, S Kubota, M Lucia, T D Rognlien
It has been predicted for over a decade that low-recycling plasma-facing components in fusion devices would allow high edge temperatures and flat or nearly flat temperature profiles. In recent experiments with lithium wall coatings in the Lithium Tokamak Experiment (LTX), a hot edge (>200  eV) and flat electron temperature profiles have been measured following the termination of external fueling. Reduced recycling was demonstrated by retention of ∼60% of the injected hydrogen in the walls following the discharge...
July 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28731725/skin-and-soft-tissue-infections-active-component-u-s-armed-forces-2013-2016
#20
Shauna Stahlman, Valerie F Williams, Gi-Taik Oh, Eugene V Millar, Jason W Bennett
During the 4-year surveillance period, there were 282,571 incident cases of skin and soft tissue infection (SSTI) among active component U.S. military members diagnosed in inpatient or outpatient settings, corresponding to an overall incidence of 558.2 per 10,000 person-years (p-yrs). An additional 10,904 cases occurred in theater of operations (460.0 per 10,000 p-yrs). Approximately half (49.4%) were classified as "other SSTI" (e.g., folliculitis, impetigo); 45.9% were cellulitis/abscess; 4.6% were carbuncles/furuncles; and 0...
July 2017: MSMR
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