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https://www.readbyqxmd.com/read/29150680/potential-landscape-of-high-dimensional-nonlinear-stochastic-dynamics-with-large-noise
#1
Ying Tang, Ruoshi Yuan, Gaowei Wang, Xiaomei Zhu, Ping Ao
Quantifying stochastic processes is essential to understand many natural phenomena, particularly in biology, including the cell-fate decision in developmental processes as well as the genesis and progression of cancers. While various attempts have been made to construct potential landscape in high dimensional systems and to estimate transition rates, they are practically limited to the cases where either noise is small or detailed balance condition holds. A general and practical approach to investigate real-world nonequilibrium systems, which are typically high-dimensional and subject to large multiplicative noise and the breakdown of detailed balance, remains elusive...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150480/effect-of-time-to-diagnostic-testing-for-breast-cervical-and-colorectal-cancer-screening-abnormalities-on-screening-efficacy-a-modeling-study
#2
Carolyn M Rutter, Jane J Kim, Reinier G S Meester, Brian L Sprague, Emily A Burger, Ann G Zauber, Mehmet Ali Ergun, Nicole G Campos, Chyke A Doubeni, Amy Trentham-Dietz, Stephen Sy, Oguz Alagoz, Natasha Stout, Iris Lansdorp-Vogelaar, Douglas A Corley, Anna Tosteson
BACKGROUND: Patients who receive an abnormal cancer screening result require follow-up for diagnostic testing, but the time to follow-up varies across patients and practices. METHODS: We used a simulation study to estimate the change in lifetime screening benefits when time to follow-up for breast, cervical, and colorectal cancers was increased. Estimates were based on four independently developed microsimulation models that each simulated the life course of adults eligible for breast (women aged 50-74 years), cervical (women aged 21-65 years), or colorectal (adults aged 50-75 years) cancer screening...
November 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29150313/safety-practices-perceptions-and-behaviors-in-radiation-oncology-a-national-survey-of-radiation-therapists
#3
Kristina Demas Woodhouse, David Hashemi, Kathryn Betcher, Abigail Doucette, Allison Weaver, Brian Monzon, Seth A Rosenthal, Neha Vapiwala
PURPOSE: Radiation therapy is complex and demands high vigilance and precise coordination. Radiation therapists (RTTs) directly deliver radiation and are often the first to discover an error. Yet, few studies have examined the practices of RTTs regarding patient safety. We conducted a national survey to explore the perspectives of RTTs related to quality and safety. METHODS AND MATERIALS: In 2016, an electronic survey was sent to a random sample of 1500 RTTs in the United States...
June 15, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29150192/thirty-day-reoperation-and-or-admission-after-elective-hand-surgery-in-adults-a%C3%A2-10-year-review
#4
Avi D Goodman, Joseph A Gil, Adam M Starr, Edward Akelman, Arnold-Peter C Weiss
PURPOSE: Whereas acute complications following elective hand surgery have been assumed to be rare, the incidence of 30-day unplanned reoperation and/or admission for the most common elective procedures has not been well described. Our goal was to calculate the incidence and identify the risk factors associated with these complications in a busy academic practice. METHODS: Our institution's quality assurance database was examined retrospectively for unplanned reoperations and/or admissions within 30 days in adults undergoing elective procedures with 2 senior attending surgeons from February 2006 to January 2016...
November 15, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29149701/risk-factor-analysis-of-equine-strongyle-resistance-to-anthelmintics
#5
G Sallé, J Cortet, I Bois, C Dubès, Q Guyot-Sionest, C Larrieu, V Landrin, G Majorel, S Wittreck, E Woringer, A Couroucé, J Guillot, P Jacquiet, F Guégnard, A Blanchard, A Leblond
Intestinal strongyles are the most problematic endoparasites of equids as a result of their wide distribution and the spread of resistant isolates throughout the world. While abundant literature can be found on the extent of anthelmintic resistance across continents, empirical knowledge about associated risk factors is missing. This study brought together results from anthelmintic efficacy testing and risk factor analysis to provide evidence-based guidelines in the field. It involved 688 horses from 39 French horse farms and riding schools to both estimate Faecal Egg Count Reduction (FECR) after anthelmintic treatment and to interview farm and riding school managers about their practices...
November 2, 2017: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/29149240/z-scores-based-methods-and-their-application-to-biological-monitoring-an-example-in-professional-soccer-players
#6
Guillaume Saulière, Jérôme Dedecker, Laurie-Anne Marquet, Pierre Rochcongar, Jean-Francois Toussaint, Geoffroy Berthelot
The clinical and biological follow-up of individuals, such as the biological passport for athletes, is typically based on the individual and longitudinal monitoring of hematological or urine markers. These follow-ups aim to identify abnormal behavior by comparing the individual's biological samples to an established baseline. These comparisons may be done via different ways, but each of them requires an appropriate extra population to compute the significance levels, which is a non-trivial issue. Moreover, it is not necessarily relevant to compare the measures of a biomarker of a professional athlete to that of a reference population (even restricted to other athletes), and a reasonable alternative is to detect the abnormal values by considering only the other measurements of the same athlete...
November 15, 2017: Biostatistics
https://www.readbyqxmd.com/read/29148114/on-the-character-and-production-of-active-participation-in-neuro-rehabilitation-an-actor-network-perspective
#7
Simon Horton, Kathryn Mares, Neil Coull, Fiona Poland
The importance of patients' active involvement in neuro-rehabilitation after acquired brain injury has been consistently emphasised in recent years. However, most approaches fail to show how 'active participation' is practically enacted, focusing on individualised explanations of patient choice and behaviours, or notions of inherent patient traits. Using actor-network theory (ANT) as a sensitising concept, we investigated neuro-rehabilitation practices, asking how participation is shaped through biological and socio-material specificities, how rights to knowledge and expertise are constructed, and how a body acclimatises and adjusts within an order of participation and transformation...
November 2017: Sociology of Health & Illness
https://www.readbyqxmd.com/read/29147800/the-pediatric-heart-failure-workforce-an-international-multicenter-survey
#8
Scott R Auerbach, Melanie D Everitt, Ryan J Butts, David N Rosenthal, Yuk M Law
Our objective was to understand the scope of pediatric heart failure (HF) and the current staffing environment of HF programs. An online survey was distributed to members of the Pediatric Heart Transplant Study and the Pediatric Council of the International Society for Heart and Lung Transplantation. All participants received the primary 23-question survey. Additionally, HF program directors received a 32-question supplemental survey. Of 235 invitations sent, there were 69 (29%) primary surveys and 34 program director surveys completed (24 U...
November 17, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29147017/oxidation-behavior-of-graphene-coated-copper-at-intrinsic-graphene-defects-of-different-origins
#9
Jinsung Kwak, Yongsu Jo, Soon-Dong Park, Na Yeon Kim, Se-Yang Kim, Hyung-Joon Shin, Zonghoon Lee, Sung Youb Kim, Soon-Yong Kwon
The development of ultrathin barrier films is vital to the advanced semiconductor industry. Graphene appears to hold promise as a protective coating; however, the polycrystalline and defective nature of engineered graphene hinders its practical applications. Here, we investigate the oxidation behavior of graphene-coated Cu foils at intrinsic graphene defects of different origins. Macro-scale information regarding the spatial distribution and oxidation resistance of various graphene defects is readily obtained using optical and electron microscopies after the hot-plate annealing...
November 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/29146660/changing-physical-activity-behaviour-for-people-with-multiple-sclerosis-protocol-of-a-randomised-controlled-feasibility-trial-istep-ms
#10
Jennifer M Ryan, Jennifer Fortune, Andrea Stennett, Cherry Kilbride, Nana Anokye, Christina Victor, Wendy Hendrie, Mohamed Abdul, Lorraine DeSouza, Grace Lavelle, Debbie Brewin, Lee David, Meriel Norris
INTRODUCTION: Although physical activity may reduce disease burden, fatigue and disability, and improve quality of life among people with multiple sclerosis (MS), many people with MS are physically inactive and spend significant time in sedentary behaviour. Behaviour change interventions may assist people with MS to increase physical activity and reduce sedentary behaviour. However, few studies have investigated their effectiveness using objective measures of physical activity, particularly in the long term...
November 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29146031/avian-ganglioneuritis-in-clinical-practice
#11
REVIEW
Giacomo Rossi, Robert D Dahlhausen, Livio Galosi, Susan E Orosz
Avian ganglioneuritis (AG) comprises one of the most intricate pathologies in avian medicine and is researched worldwide. Avian bornavirus (ABV) has been shown to be a causative agent of proventricular dilatation disease in birds. The avian Bornaviridae represent a genetically diverse group of viruses that are widely distributed in captive and wild populations around the world. ABV and other infective agents are implicated as a cause of the autoimmune pathology that leads to AG, similar to human Guillain Barrè syndrome...
January 2018: Veterinary Clinics of North America. Exotic Animal Practice
https://www.readbyqxmd.com/read/29145584/critical-lessons-from-high-value-oncology-practices
#12
Douglas W Blayney, Melora K Simon, Beatrice Podtschaske, Scott Ramsey, Margaret Shyu, Craig Lindquist, Arnold Milstein
Importance: Cancer care is expensive. Cancer care provided by practice organizations varies in total spending incurred by patients and payers during treatment episodes and in quality of care, and this unnecessary variation contributes to the high cost. Objective: To use the variation in total spending and quality of care to assess oncology practice attributes distinguishing "high value" that may be tested and adopted by others to produce similar results. Design, Setting, and Participants: "Positive deviance" was used in this exploratory mixed-methods (quantitative and qualitative) analysis of interview results...
November 16, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29145425/statistical-analysis-of-co-occurrence-patterns-in-microbial-presence-absence-datasets
#13
Kumar P Mainali, Sharon Bewick, Peter Thielen, Thomas Mehoke, Florian P Breitwieser, Shishir Paudel, Arjun Adhikari, Joshua Wolfe, Eric V Slud, David Karig, William F Fagan
Drawing on a long history in macroecology, correlation analysis of microbiome datasets is becoming a common practice for identifying relationships or shared ecological niches among bacterial taxa. However, many of the statistical issues that plague such analyses in macroscale communities remain unresolved for microbial communities. Here, we discuss problems in the analysis of microbial species correlations based on presence-absence data. We focus on presence-absence data because this information is more readily obtainable from sequencing studies, especially for whole-genome sequencing, where abundance estimation is still in its infancy...
2017: PloS One
https://www.readbyqxmd.com/read/29145327/current-practice-and-usual-care-of-major-cervical-disorders-in-korea-a-cross-sectional-study-of-korean-health-insurance-review-and-assessment-service-national-patient-sample-data
#14
A Ryeon Choi, Joon-Shik Shin, Jinho Lee, Yoon Jae Lee, Me-Riong Kim, Min-Seok Oh, Eun-Jung Lee, Sungchul Kim, Mia Kim, In-Hyuk Ha
Neck pain is a highly common condition and is the 4th major cause of years lived with disability. Previous literature has focused on the effect of specific treatments, and observations of actual practice are lacking to date. This study examined Korean health insurance review and assessment service (HIRA) claims data to the aim of assessing prevalence and comparing current medical practice and costs of cervical disorders in Korea.Current practice trends were determined through assessment of prevalence, total expenses, per-patient expense, average days in care, average days of visits, sociodemographic characteristics, distribution of medical costs, and frequency of treatment types of high frequency cervical disorders (cervical sprain/strain, cervical intervertebral disc displacement [IDD], and cervicalgia)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144047/evaluation-of-patient-satisfaction-in-pediatric-dermatology
#15
Sarah Ahmed, Jonathan Miller, James F Burrows, Ben Khallouq Bertha, Paul Rosen
BACKGROUND/OBJECTIVES: There remains a lack of investigation into which factors patients and families value the most in their experience at pediatric dermatology clinics. Most of the current literature on quality improvement in dermatology does not encompass the pediatric population. To determine the drivers that are most predictive of a positive patient experience, we observed the indirect relationship between several factors of the patient experience and their role in patient satisfaction...
November 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/29143930/photovoltaic-cell-electrical-heating-system-for-removing-snow-on-panel-including-verification
#16
Agnes Weiss, Helmut Weiss
Small photovoltaic plants in private ownership are typically rated at 5 kW (peak). The panels are mounted on roofs at a decline angle of 20° to 45°. In winter time, a dense layer of snow at a width of e.g., 10 cm keeps off solar radiation from the photovoltaic cells for weeks under continental climate conditions. Practically, no energy is produced over the time of snow coverage. Only until outside air temperature has risen high enough for a rather long-time interval to allow partial melting of snow; the snow layer rushes down in an avalanche...
November 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29143920/distinguishing-the-disease-associated-snps-based-on-composition-frequency-analysis
#17
Wenling Li, Menglong Li, Xuemei Pu, Yanzhi Guo
Single-nucleotide polymorphism (SNP) is a basical variation in genome. When SNPs occur at the binding sites of microRNA, they can influence the binding efficiency, cause a fluctuation of the mRNA in vivo, and thus arouse posttranscriptional level abnormality. Therefore, SNP has a strong correlation with diseases. Although enormous SNPs have been experimentally identified, only a tiny proportion of them are truly disease-associated SNPs (dSNPs) that relate to microRNA modification and then are involved in disease causing process...
November 16, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/29143453/professional-competencies-and-work-related-support-in-relation-to-periodontal-therapy-and-work-satisfaction-a-questionnaire-study-among-swedish-dental-hygienists
#18
A Liss, A Y Alian, J L Wennström, K H Abrahamsson
OBJECTIVES: To analyse dental hygienists' (DHs) views on professional competencies and behavioural interventions in the treatment of periodontitis patients, perceived work-related support and work satisfaction. METHODS: A Web-based questionnaire was distributed to all DHs employed at the public dental service in the county of Västra Götaland, Sweden. 302 (83%) responded to the questionnaire; 291 of these DHs stated that they on regular basis treated periodontitis patients and thus constituted the sample for analyses...
November 16, 2017: International Journal of Dental Hygiene
https://www.readbyqxmd.com/read/29143220/validation-of-the-8th-ajcc-prognostic-staging-system-for-breast-cancer-in-a-population-based-setting
#19
Omar Abdel-Rahman
OBJECTIVES: To validate the newly proposed American Joint Committee on Cancer (AJCC) prognostic staging system for breast cancer. METHODS: Surveillance, epidemiology, and end results (SEER) database (2010-2014) was accessed. Cumulative incidence function was conducted (through assessment of sub-distribution hazard) according to both anatomical and prognostic stages. Likewise, Cox cause-specific hazard ratio with pairwise hazard ratio comparisons were also assessed for both anatomical and prognostic stages...
November 15, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29141818/does-including-the-full-cvlt-ii-and-bvmt-r-improve-bicams-evidence-from-a-belgian-dutch-validation-study
#20
Lars Costers, Jeroen Gielen, Piet L Eelen, Jeroen Van Schependom, Jorne Laton, Ann Van Remoortel, Ellen Vanzeir, Bart Van Wijmeersch, Pierrette Seeldrayers, Marie-Claire Haelewyck, Miguel D'Haeseleer, Marie-Beatrice D'hooghe, Dawn Langdon, Guy Nagels
BACKGROUND: The Brief International Cognitive Assessment for Multiple Sclerosis (BICAMS) is a fast, easy-to-administer and already widely validated neuropsychological battery for cognition in multiple sclerosis. OBJECTIVE: The goals of our study were to validate the BICAMS in a Belgian Dutch-speaking population and to investigate to what extent including extensive versions of two of the three BICAMS subtests improved its psychometric qualities. METHODS: Ninety-seven persons with MS and ninety-seven healthy controls were included and group-matched on age, education level and gender...
November 2017: Multiple Sclerosis and related Disorders
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