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https://www.readbyqxmd.com/read/29227372/osteofibrous-dysplasia-of-the-tibia-in-children-outcome-without-resection
#1
Daniel Westacott, Peter Kannu, Jennifer Stimec, Sevan Hopyan, Andrew Howard
BACKGROUND: The proposed association between osteofibrous dysplasia and adamantinoma has led some to advocate resection of the entire lesion, which can require major subsequent reconstruction. However, this link remains unproven and there is some support in more recent literature for a less aggressive approach. This study aims to describe our experience managing pediatric tibial osteofibrous dysplasia with such an approach and to report functional outcomes in children treated thus. METHODS: A total of 28 cases of osteofibrous dysplasia in 25 patients were managed at a referral center for pediatric bone tumors with observation in the first instance, then limited surgical intervention if required to address pain and deformity...
December 8, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29226259/recreational-boating-site-choice-and-the-impact-of-water-quality
#2
John Curtis, Stephen Hynes, Benjamin Breen
This paper examines whether water quality has an effect on recreational boating activity. The analysis is based on survey data collected by face-to-face interviews with recreational visitors to 10 waterway sites across Ireland. We model the respondent's choice decision to travel to a specific site for the purposes of beginning their recreational boating activity. Water quality data is from European Union Water Framework Directive monitoring stations. Across recreational sites, which have generally high water quality levels within our sample, we find that boaters favour sites with better water quality; as indicated by biological oxygen demand and phosphates metrics...
October 2017: Heliyon
https://www.readbyqxmd.com/read/29223915/marijuana-buyers-in-the-united-states-2010-2014
#3
Alejandro Azofeifa, Laura J Sherman, Margaret E Mattson, Rosalie L Pacula
BACKGROUND: Obtaining or purchasing marijuana in the U.S. can be done only in certain states via a lawful market, for medical or non-medical (recreational) purposes, or via an unlawful market ("black market") by home cultivation and unlicensed vendors and individuals. Given the evolving U.S. state marijuana legislation landscape, the objective of this study is to describe individuals who report buying marijuana in the past year by selected characteristics and U.S. geographical location...
December 5, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29223902/people-pollution-and-pathogens-global-change-impacts-in-mountain-freshwater-ecosystems
#4
REVIEW
Dirk S Schmeller, Adeline Loyau, Kunshan Bao, Werner Brack, Antonis Chatzinotas, Francois De Vleeschouwer, Jan Friesen, Laure Gandois, Sophia V Hansson, Marilen Haver, Gaël Le Roux, Ji Shen, Roman Teisserenc, Vance T Vredenburg
Mountain catchments provide for the livelihood of more than half of humankind, and have become a key destination for tourist and recreation activities globally. Mountain ecosystems are generally considered to be less complex and less species diverse due to the harsh environmental conditions. As such, they are also more sensitive to the various impacts of the Anthropocene. For this reason, mountain regions may serve as sentinels of change and provide ideal ecosystems for studying climate and global change impacts on biodiversity...
December 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29223777/child-care-centre-adherence-to-infant-physical-activity-and-screen-time-recommendations-in-australia-canada-and-the-united-states-an-observational-study
#5
Lyndel Hewitt, Sara E Benjamin-Neelon, Valerie Carson, Rebecca M Stanley, Ian Janssen, Anthony D Okely
OBJECTIVE: The aim of this study was to compare adherence to physical activity and sedentary behaviour recommendations within the 2011 Institute of Medicine Early Childhood Obesity Prevention Policies as well as screen time recommendations from the 2013 American Academy of Pediatrics for samples of infants in child care centres in Australia, Canada, and the United States (US). METHODS: This cross-sectional study used data from: the Australian 2013 Standing Preschools (N=9) and the 2014-2017 Early Start Baseline (N=22) studies; the 2011 Canadian Healthy Living Habits in Pre-School Children study (N=14); and the American 2008 (N=31) and 2013-2017 (N=31) Baby Nutrition and Physical Activity Self-Assessment for Child Care (NAP SACC) trials...
December 7, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/29223196/application-of-psychological-theories-in-agent-based-modeling-the-case-of-the-theory-of-planned-behavior
#6
Andrea Scalco, Andrea Ceschi, Riccardo Sartori
It is likely that computer simulations will assume a greater role in the next future to investigate and understand reality (Rand & Rust, 2011). Particularly, agent-based models (ABMs) represent a method of investigation of social phenomena that blend the knowledge of social sciences with the advantages of virtual simulations. Within this context, the development of algorithms able to recreate the reasoning engine of autonomous virtual agents represents one of the most fragile aspects and it is indeed crucial to establish such models on well-supported psychological theoretical frameworks...
January 2018: Nonlinear Dynamics, Psychology, and Life Sciences
https://www.readbyqxmd.com/read/29223107/recreation-economics-to-inform-migratory-species-conservation-case-study-of-the-northern-pintail
#7
Brady J Mattsson, James A Dubovsky, Wayne E Thogmartin, Kenneth J Bagstad, Joshua H Goldstein, John B Loomis, James E Diffendorfer, Darius J Semmens, Ruscena Wiederholt, Laura López-Hoffman
Quantification of the economic value provided by migratory species can aid in targeting management efforts and funding to locations yielding the greatest benefits to society and species conservation. Here we illustrate a key step in this process by estimating hunting and birding values of the northern pintail (Anas acuta) within primary breeding and wintering habitats used during the species' annual migratory cycle in North America. We used published information on user expenditures and net economic values (consumer surplus) for recreational viewing and hunting to determine the economic value of pintail-based recreation in three primary breeding areas and two primary wintering areas...
December 6, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29222802/recreating-intestinal-peristalsis-in-the-petri-dish
#8
Rosa Espinosa-Luna, Alma R Barajas-Espinosa, Fernando Ochoa-Cortez, Carlos Barajas-López
Here we describe a culture technique of cells dissociated from the external muscularis of the guinea pig small intestine, which allows us to maintain all the elements involved in the intestinal peristaltic reflex. After a few days in culture, these cells reorganize to form a small group of cells that permit the generation of pacemaker activity, spontaneous contractions, and the development of inhibitory and excitatory junction potentials in the petri dish, all elements involved in the peristaltic reflex. Therefore, these co-cultures are suitable to study the cellular and molecular aspects related to the development, maintenance, and modulation of motor intestinal functions...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29222683/evaluation-of-urban-transformation-areas-in-terms-of-user-satisfaction-the-case-study-of-za%C3%A4-nos-valley-trabzon-turkey
#9
Ertan Düzgüneş, Elif Saraç
Following the Industrial Revolution, rapid urbanization brought about many socio-economic, physical, and cultural problems. The concept of urban transformation has come to the fore as a solution to these emerging troubles. Especially since 1980, in Turkey, like other developing countries, the concept of urban transformation has only been evaluated as an economic standpoint ignoring the social and spatial dimensions of that area and the quality of life of people residing in the area. Therefore, the necessity of these socially accessible areas where individuals can regenerate themselves in spiritual and physical terms has increased even more...
December 8, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29219885/displaced-clavicle-fractures-in-cyclists-return-to-athletic-activity-after-anteroinferior-plate-fixation
#10
Ven Denise J C van der, Tim K Timmers, Ivo A M J Broeders, Olden G D J van
BACKGROUND: One of the most commonly observed injuries in cycling is fracture of the clavicle. Nevertheless, there is limited literature available on clinical outcomes after plate fixation of clavicle fractures in cyclists, rehabilitation protocols, and the time to return to sports. PURPOSE: The aim of this study was to evaluate the functional outcome, complications, and return to athletic activity at short-term follow-up after surgical repair. STUDY DESIGN: Case series...
December 1, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29219008/powered-off-road-wheelchair-for-the-transportation-of-tetraplegics-along-mountain-trails
#11
Michele Gabrio Antonelli, Stefano Alleva, Pierluigi Beomonte Zobel, Francesco Durante, Terenziano Raparelli
PURPOSE: For off-road mobility, some manual or power assisted devices were conceived to be self-driven by paraplegics while for tetraplegics non power-assisted devices were conceived. These devices require one or more conductors who are subjected to a high physical demand thus potentially creating: precarious safety condition for the user an elevated physical demand of conductors could reduce the care and the attention to give to the user; the time of the outdoor adventure experience of the user could be limited...
December 8, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29218644/cardiovascular-complications-of-marijuana-and-related-substances-a-review
#12
REVIEW
Amitoj Singh, Sajeev Saluja, Akshat Kumar, Sahil Agrawal, Munveer Thind, Sudip Nanda, Jamshid Shirani
The recreational use of cannabis has sharply increased in recent years in parallel with its legalization and decriminalization in several countries. Commonly, the traditional cannabis has been replaced by potent synthetic cannabinoids and cannabimimetics in various forms. Despite overwhelming public perception of the safety of these substances, an increasing number of serious cardiovascular adverse events have been reported in temporal relation to recreational cannabis use. These have included sudden cardiac death, vascular (coronary, cerebral and peripheral) events, arrhythmias and stress cardiomyopathy among others...
December 7, 2017: Cardiology and Therapy
https://www.readbyqxmd.com/read/29218332/evaluating-author-and-user-experience-for-an-audio-haptic-system-for-annotation-of-physical-models
#13
James M Coughlan, Joshua Miele
We describe three usability studies involving a prototype system for creation and haptic exploration of labeled locations on 3D objects. The system uses a computer, webcam, and fiducial markers to associate a physical 3D object in the camera's view with a predefined digital map of labeled locations ("hotspots"), and to do real-time finger tracking, allowing a blind or visually impaired user to explore the object and hear individual labels spoken as each hotspot is touched. This paper describes: (a) a formative study with blind users exploring pre-annotated objects to assess system usability and accuracy; (b) a focus group of blind participants who used the system and, through structured and unstructured discussion, provided feedback on its practicality, possible applications, and real-world potential; and (c) a formative study in which a sighted adult used the system to add labels to on-screen images of objects, demonstrating the practicality of remote annotation of 3D models...
October 2017: ASSETS Association for Computing Machinery
https://www.readbyqxmd.com/read/29217828/frequently-used-bioinformatics-tools-overestimate-the-damaging-effect-of-allelic-variants
#14
Line Lykke Andersen, Ewa Terczyńska-Dyla, Nanna Mørk, Carsten Scavenius, Jan J Enghild, Klara Höning, Veit Hornung, Mette Christiansen, Trine H Mogensen, Rune Hartmann
We selected two sets of naturally occurring human missense allelic variants within innate immune genes. The first set represented eleven non-synonymous variants in six different genes involved in interferon (IFN) induction, present in a cohort of patients suffering from herpes simplex encephalitis (HSE) and the second set represented sixteen allelic variants of the IFNLR1 gene. We recreated the variants in vitro and tested their effect on protein function in a HEK293T cell based assay. We then used an array of 14 available bioinformatics tools to predict the effect of these variants upon protein function...
December 4, 2017: Genes and Immunity
https://www.readbyqxmd.com/read/29217424/modelling-the-impact-of-future-socio-economic-and-climate-change-scenarios-on-river-microbial-water-quality
#15
M M Majedul Islam, Muhammad Shahid Iqbal, Rik Leemans, Nynke Hofstra
Microbial surface water quality is important, as it is related to health risk when the population is exposed through drinking, recreation or consumption of irrigated vegetables. The microbial surface water quality is expected to change with socio-economic development and climate change. This study explores the combined impacts of future socio-economic and climate change scenarios on microbial water quality using a coupled hydrodynamic and water quality model (MIKE21FM-ECOLab). The model was applied to simulate the baseline (2014-2015) and future (2040s and 2090s) faecal indicator bacteria (FIB: E...
December 4, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29217379/major-epidemiological-factors-associated-with-leptospirosis-in-malaysia
#16
REVIEW
Bashiru Garba, Abdul Rani Bahaman, Siti Khairani Bejo, Zunita Zakaria, Abdul Rahim Mutalib, Faruku Bande
INTRODUCTION: Leptospirosis is a zoonotic disease caused by a diverse pathogenic leptospira species and serovars. The disease is transmitted directly following contact with infected urine and other body fluids or indirectly after contact with water or soil contaminated with infected urine. OBJECTIVES: While a wide range of domestic and wild animals are known to be reservoirs of the disease, occupation, international travel and recreation are beginning to assume a center stage in the transmission of the disease...
December 5, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29216523/use-of-synthetic-stimulants-and-hallucinogens-in-a-cohort-of-electronic-dance-music-festival-attendees
#17
Amanda L A Mohr, Melissa Friscia, Jillian K Yeakel, Barry K Logan
Novel psychoactive substances (NPS), often characterized as unregulated psychoactive compounds designed to circumvent existing legislation, have become mainstream on the illicit drug market. Because of their physical and mind-altering properties, NPS may be deliberately or inadvertently ingested at electronic dance music (EDM) festivals to enhance the attendees' appreciation of the music and overall experience. Their widespread use at EDM festivals have been well documented and several adverse events and fatalities associated with NPS ingestion have been reported in the United States...
November 21, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29216446/comparison-of-two-equated-resistance-training-weekly-volume-routines-using-different-frequencies-on-body-composition-and-performance-in-trained-males
#18
Yue Fu, Bettina Karsten, Eneko Larumbe-Zabala, Marcos Seijo, Fernando Naclerio
The present study compared the effects of two weekly-equalized volume and relative load interventions on body composition, strength and power. Based on individual baseline maximal strength values, eighteen recreationally trained men were pair-matched and consequently randomly assigned to one of the following experimental groups: a low volume per session with a high frequency (LV-HF, n = 9) group who trained 4-days (Mondays, Tuesdays, Thursdays and Fridays) or a high volume per session and low frequency (HV-LF, n = 9) group who trained 2-days (Mondays and Thursdays)...
December 7, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29215571/application-of-the-superelastic-niti-spring-in-ankle-foot-orthosis-afo-to-create-normal-ankle-joint-behavior
#19
Amirhesam Amerinatanzi, Hashem Zamanian, Narges Shayesteh Moghaddam, Ahmadreza Jahadakbar, Mohammad Elahinia
Hinge-based Ankle Foot Orthosis (HAFO) is one of the most common non-surgical solutions for the foot drop. In conventional HAFOs, the ankle joint is almost locked, and plantar flexion is restricted due to the high stiffness of the hinge mechanism. This often leads to a rigid walking gate cycle, poor muscle activity, and muscle atrophy. Since the ankle torque-angle loop has a non-linear profile, the use of a superelastic NiTi spring within the hinge, due to its nonlinear behavior, could recreate a close-to-normal stiffness of the normal ankle joint, which, in turn, could create a more natural walk...
December 7, 2017: Bioengineering
https://www.readbyqxmd.com/read/29215355/quantitative-microbial-risk-assessment-to-estimate-the-health-risk-from-exposure-to-noroviruses-in-polluted-surface-water-in-south-africa
#20
Nicole Van Abel, Janet Mans, Maureen B Taylor
This study assessed the risks posed by noroviruses (NoVs) in surface water used for drinking, domestic, and recreational purposes in South Africa (SA), using a quantitative microbial risk assessment (QMRA) methodology that took a probabilistic approach coupling an exposure assessment with four dose-response models to account for uncertainty. Water samples from three rivers were found to be contaminated with NoV GI (80-1,900 gc/L) and GII (420-9,760 gc/L) leading to risk estimates that were lower for GI than GII...
October 2017: Journal of Water and Health
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