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https://www.readbyqxmd.com/read/28343079/population-model-of-bladder-motion-and-deformation-based-on-dominant-eigenmodes-and-mixed-effects-models-in-prostate-cancer-radiotherapy
#1
Richard Rios, Renaud De Crevoisier, Juan D Ospina, Frederic Commandeur, Caroline Lafond, Antoine Simon, Pascal Haigron, Jairo Espinosa, Oscar Acosta
In radiotherapy for prostate cancer irradiation of neighboring organs at risk may lead to undesirable side-effects. Given this setting, the bladder presents the largest inter-fraction shape variations hampering the computation of the actual delivered dose vs. planned dose. This paper proposes a population model, based on longitudinal data, able to estimate the probability of bladder presence during treatment, using only the planning computed tomography (CT) scan as input information. As in previously-proposed principal component analysis (PCA) population-based models, we have used the data to obtain the dominant eigenmodes that describe bladder geometric variations between fractions...
March 8, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28343067/reading-problems-and-major-mental-disorders-co-occurrences-and-familial-overlaps-in-a-swedish-nationwide-cohort
#2
Martin Cederlöf, Barbara Maughan, Henrik Larsson, Brian M D'Onofrio, Robert Plomin
Reading problems often co-occur with ADHD and conduct disorder. However, the patterns of co-occurrence and familial overlap between reading problems and other psychiatric disorders have not been systematically explored. We conducted a register-based cohort study including 8719 individuals with reading problems and their siblings, along with matched comparison individuals. Conditional logistic regressions estimated risks for ADHD, autism, obsessive-compulsive disorder, anorexia nervosa, schizophrenia, bipolar disorder, depression, substance use disorder, and violent/non-violent criminality in individuals with reading problems and their siblings...
March 21, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28342724/a-hypergraph-and-arithmetic-residue-based-probabilistic-neural-network-for-classification-in-intrusion-detection-systems
#3
M R Gauthama Raman, Nivethitha Somu, Kannan Kirthivasan, V S Shankar Sriram
Over the past few decades, the design of an intelligent Intrusion Detection System (IDS) remains an open challenge to the research community. Continuous efforts by the researchers have resulted in the development of several learning models based on Artificial Neural Network (ANN) to improve the performance of the IDSs. However, there exists a tradeoff with respect to the stability of ANN architecture and the detection rate for less frequent attacks. This paper presents a novel approach based on Helly property of Hypergraph and Arithmetic Residue-based Probabilistic Neural Network (HG AR-PNN) to address the classification problem in IDS...
February 17, 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/28342455/repair-of-oxidatively-induced-dna-damage-by-dna-glycosylases-mechanisms-of-action-substrate-specificities-and-excision-kinetics
#4
REVIEW
Miral Dizdaroglu, Erdem Coskun, Pawel Jaruga
Endogenous and exogenous reactive species cause oxidatively induced DNA damage in living organisms by a variety of mechanisms. As a result, a plethora of mutagenic and/or cytotoxic products are formed in cellular DNA. This type of DNA damage is repaired by base excision repair, although nucleotide excision repair also plays a limited role. DNA glycosylases remove modified DNA bases from DNA by hydrolyzing the glycosidic bond leaving behind an apurinic/apyrimidinic (AP) site. Some of them also possess an accompanying AP-lyase activity that cleaves the sugar-phosphate chain of DNA...
January 2017: Mutation Research
https://www.readbyqxmd.com/read/28340482/the-effect-of-interprofessional-team-based-learning-among-nursing-students-a-quasi-experimental-study
#5
Arkers Kwan Ching Wong, Frances Kam Yuet Wong, Lap Ki Chan, Namkiu Chan, Fraide A Ganotice, Jacqueline Ho
BACKGROUND: Although interprofessional education has received attention in recent years as a means of providing opportunities for health-care professionals to learn with, from and about other disciplines and enhance the quality of patient care, evidence of its effectiveness is limited. Interprofessional team-based learning was introduced to make it possible for students in different healthcare disciplines to interact with each other, and to prepare them to function effectively within a team in their future career...
March 9, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28340414/intersection-crash-prediction-modeling-with-macro-level-data-from-various-geographic-units
#6
Jaeyoung Lee, Mohamed Abdel-Aty, Qing Cai
There have been great efforts to develop traffic crash prediction models for various types of facilities. The crash models have played a key role to identify crash hotspots and evaluate safety countermeasures. In recent, many macro-level crash prediction models have been developed to incorporate highway safety considerations in the long-term transportation planning process. Although the numerous macro-level studies have found that a variety of demographic and socioeconomic zonal characteristics have substantial effects on traffic safety, few studies have attempted to coalesce micro-level with macro-level data from existing geographic units for estimating crash models...
March 21, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28340348/the-evolutionary-pathway-to-virulence-of-an-rna-virus
#7
Adi Stern, Ming Te Yeh, Tal Zinger, Matt Smith, Caroline Wright, Guy Ling, Rasmus Nielsen, Andrew Macadam, Raul Andino
Paralytic polio once afflicted almost half a million children each year. The attenuated oral polio vaccine (OPV) has enabled world-wide vaccination efforts, which resulted in nearly complete control of the disease. However, poliovirus eradication is hampered globally by epidemics of vaccine-derived polio. Here, we describe a combined theoretical and experimental strategy that describes the molecular events leading from OPV to virulent strains. We discover that similar evolutionary events occur in most epidemics...
March 23, 2017: Cell
https://www.readbyqxmd.com/read/28340229/meaningful-use-in-the-safety-net-a-rapid-ethnography-of-patient-portal-implementation-at-five-community-health-centers-in-california
#8
Sara L Ackerman, Urmimala Sarkar, Lina Tieu, Margaret A Handley, Dean Schillinger, Kenneth Hahn, Mekhala Hoskote, Gato Gourley, Courtney Lyles
Objective: US health care institutions are implementing secure websites (patient portals) to achieve federal Meaningful Use (MU) certification. We sought to understand efforts to implement portals in "safety net" health care systems that provide services for low-income populations. Materials and Methods: Our rapid ethnography involved visits at 4 California safety net health systems and in-depth interviews at a fifth. Visits included interviews with clinicians and executives ( n  = 12), informal focus groups with front-line staff ( n  = 35), observations of patient portal sign-up procedures and clinic work, review of marketing materials and portal use data, and a brief survey ( n  = 45)...
March 15, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28340130/falling-down-on-the-job-evaluation-and-treatment-of-fall-risk-among-older-adults-with-upper-extremity-fragility-fractures
#9
Christine M McDonough, Carrie H Colla, Donald Carmichael, Anna N A Tosteson, Tor D Tosteson, John-Erik Bell, Robert V Cantu, Jonathan D Lurie, Julie P W Bynum
Background: Clinical practice guidelines recommend fall risk assessment and intervention for older adults who sustain a fall-related injury to prevent future injury and mobility decline. Objective: To describe how often Medicare beneficiaries with upper extremity fracture receive evaluation and treatment for fall risk. Design: Observational cohort. Methods Subjects: Fee-for-service beneficiaries age 66 to 99 treated as outpatients for proximal humerus or distal radius/ulna ("wrist") fragility fractures were studied using Carrier and Outpatient Hospital files...
March 2, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28339698/learning-from-errors-analysis-of-medication-order-voiding-in-cpoe-systems
#10
Thomas G Kannampallil, Joanna Abraham, Anna Solotskaya, Sneha G Philip, Bruce L Lambert, Gordon D Schiff, Adam Wright, William L Galanter
Objective: Medication order voiding allows clinicians to indicate that an existing order was placed in error. We explored whether the order voiding function could be used to record and study medication ordering errors. Materials and Methods: We examined medication orders from an academic medical center for a 6-year period (2006-2011; n  = 5 804 150). We categorized orders based on status (void, not void) and clinician-provided reasons for voiding. We used multivariable logistic regression to investigate the association between order voiding and clinician, patient, and order characteristics...
February 19, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28339636/a-before-after-study-of-multidisciplinary-out-of-hours-handover-combining-management-and-frontline-efforts-to-create-sustainable-improvement
#11
Christopher Pennell, Lorna Flynn, Belinda Boulton, Tracey Hughes, Graham Walker, Peter McCulloch
Objective: The importance of implementation strategy in systems improvement is increasingly recognized and both 'bottom-up' and 'top-down' approaches have significant barriers. A trial of a combined approach involving frontline and managerial staff therefore seems merited. We attempted to improve handover using a Human Factors-based approach integrated with a combined 'top and bottom' implementation strategy. Design: A before-after study was conducted across 9 months...
February 17, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28339497/women-s-knowledge-and-perception-of-male-circumcision-before-and-after-its-roll-out-in-the-south-african-township-of-orange-farm-from-community-based-cross-sectional-surveys
#12
Barbara Maraux, Pascale Lissouba, Reathe Rain-Taljaard, Dirk Taljaard, Julie Bouscaillou, David Lewis, Adrian Puren, Bertran Auvert
The roll-out of medical male circumcision (MC) is progressing in Southern and Eastern Africa. Little is known about the effect of this roll-out on women. The objective of this study was to assess the knowledge and perceptions of women regarding MC in a setting before and after the roll-out. This study was conducted in the South African township of Orange Farm where MC prevalence among men increased from 17% to 53% in the period 2008-2010. Data from three community-based cross sectional surveys conducted in 2007, 2010 and 2012 among 1258, 1197 and 2583 adult women, respectively were studied...
2017: PloS One
https://www.readbyqxmd.com/read/28339427/a-critical-analysis-of-obamacare-affordable-care-or-insurance-for-many-and-coverage-for-few
#13
Laxmaiah Manchikanti, Standiford Helm Ii, Ramsin M Benyamin, Joshua A Hirsch
The Affordable Care Act (ACA), of 2010, or Obamacare, was the most monumental change in US health care policy since the passage of Medicaid and Medicare in 1965. Since its enactment, numerous claims have been made on both sides of the aisle regarding the ACA's success or failure; these views often colored by political persuasion. The ACA had 3 primary goals: increasing the number of the insured, improving the quality of care, and reducing the costs of health care. One point often lost in the discussion is the distinction between affordability and access...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339426/evolution-of-us-health-care-reform
#14
Laxmaiah Manchikanti, Standiford Helm Ii, Ramsin M Benyamin, Joshua A Hirsch
Major health policy creation or changes, including governmental and private policies affecting health care delivery are based on health care reform(s). Health care reform has been a global issue over the years and the United States has seen proposals for multiple reforms over the years. A successful, health care proposal in the United States with involvement of the federal government was the short-lived establishment of the first system of national medical care in the South. In the 20th century, the United States was influenced by progressivism leading to the initiation of efforts to achieve universal coverage, supported by a Republican presidential candidate, Theodore Roosevelt...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339121/connecting-today-s-climates-to-future-analogs-to-facilitate-species-movement-under-climate-change
#15
Caitlin E Littlefield, Brad H McRae, Julia Michalak, Joshua J Lawler, Carlos Carroll
Increasing connectivity is an important strategy for facilitating species range shifts and maintaining biodiversity in the face of climate change. To date, however, few studies have included future climate projections in efforts to prioritize areas for increasing connectivity. Here, we identify key areas likely to facilitate climate-induced species movement across western North America. Using historical climate datasets and future climate projections, we mapped potential routes between current climates and their future analogs with a novel moving-window analysis based on electrical circuit theory...
March 24, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28338827/strategies-for-halting-the-rise-of-multidrug-resistant-tb-epidemics-assessing-the-effect-of-early-case-detection-and-isolation
#16
Aquino L Espindola, Marie Varughese, Marek Laskowski, Affan Shoukat, Jane M Heffernan, Seyed M Moghadas
Background: The increasing rates of multidrug resistant TB (MDR-TB) have posed the question of whether control programs under enhanced directly observed treatment, short-course (DOTS-Plus) are sufficient or implemented optimally. Despite enhanced efforts on early case detection and improved treatment regimens, direct transmission of MDR-TB remains a major hurdle for global TB control. Methods: We developed an agent-based simulation model of TB dynamics to evaluate the effect of transmission reduction measures on the incidence of MDR-TB...
March 7, 2017: International Health
https://www.readbyqxmd.com/read/28338485/creation-of-a-regional-human-milk-assembly-a-model-to-influence-practice-and-policy-change-in-the-nicu
#17
Diane L Spatz, Amanda Evans, Elizabeth Froh
BACKGROUND: The 2011 Surgeon General's Call to Action to Support Breastfeeding highlights a need for optimizing lactation-based education for all health professionals; however, few schools of nursing and medicine offer lactation-based curriculum. In an effort to address these gaps in education and care, the director of the lactation program at a large urban children's hospital developed and instituted the annual regional Human Milk Assembly (HMA), a half-day collaborative meeting of the hospital's regional and referral hospitals' neonatal intensive care unit (NICU) nursing staff, to address lactation-based educational and training needs of all participating institutions...
March 23, 2017: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/28338353/the-burden-of-familial-chylomicronemia-syndrome-interim-results-from-the-in-focus-study
#18
Michael Davidson, Michael Stevenson, Andrew Hsieh, Zahid Ahmad, Caroline Crowson, Joseph L Witztum
BACKGROUND: Familial Chylomicronemia Syndrome (FCS) is a rare genetic disorder that is caused by a decrease or an absence of lipoprotein lipase activity. FCS is characterized by marked accumulation of chylomicrons and extreme hypertriglyceridemia, which have major effects on both physical and mental health. To date, there have been no systematic efforts to characterize the impact of chylomicronemia on FCS patients' lives. In particular, the impact of FCS on the burden of illness (BoI) and quality of life (QoL) has not been fully described in the literature...
March 24, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28338157/-enhanced-recovery-after-surgery-in-the-west-china-problems-strategy-and-future
#19
Jingwang Ye, Baohua Liu, Weidong Tong
Enhanced recovery after surgery (ERAS) has been widely used in the world for near 20 years, which should be considered as the milestone of modern medicine advancement, changing the routine perioperative principle, accelerating the recovery speed following operation, minimizing the postoperative pain, and saving the medical resources. Despite the remarkable advance, the quality and application of ERAS in the west China needs further improvement if compared with international level or even some domestic hospitals...
March 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28338152/-development-and-future-of-minimally-invasive-surgery-in-western-china
#20
Peiwu Yu, Yingxue Hao
There are vast land and lots of people in western China, but the economy developing is relatively slow. However, the minimally invasive surgery was carried out firstly in China. Moreover, the type, number and difficulty of the minimally invasive surgery increased year by year. Especially, in the western area of China, Dr Zhou Zongguang, Yu Peiwu and Zheng Shuguo et al. have performed much pioneering work in laparoscopic surgery for rectal cancer, gastric cancer and laparoscopic liver resection. They led the standard development of minimally invasive in China...
March 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
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