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https://www.readbyqxmd.com/read/28737834/vitamin-k-antagonists-versus-low-molecular-weight-heparin-for-the-long-term-treatment-of-symptomatic-venous-thromboembolism
#1
REVIEW
Alina Andras, Adriano Sala Tenna, Marlene Stewart
BACKGROUND: People with venous thromboembolism (VTE) generally are treated for five days with intravenous unfractionated heparin or subcutaneous low-molecular-weight heparin (LMWH), followed by three months of vitamin K antagonists (VKAs). Treatment with VKAs requires regular laboratory measurements and carries risk of bleeding; some patients have contraindications to such treatment. Treatment with LMWH has been proposed to minimise the risk of bleeding complications. This is the second update of a review first published in 2001...
July 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28737684/angular-rate-sensing-with-gyrowheel-using-genetic-algorithm-optimized-neural-networks
#2
Yuyu Zhao, Hui Zhao, Xin Huo, Yu Yao
GyroWheel is an integrated device that can provide three-axis control torques and two-axis angular rate sensing for small spacecrafts. Large tilt angle of its rotor and de-tuned spin rate lead to a complex and non-linear dynamics as well as difficulties in measuring angular rates. In this paper, the problem of angular rate sensing with the GyroWheel is investigated. Firstly, a simplified rate sensing equation is introduced, and the error characteristics of the method are analyzed. According to the analysis results, a rate sensing principle based on torque balance theory is developed, and a practical way to estimate the angular rates within the whole operating range of GyroWheel is provided by using explicit genetic algorithm optimized neural networks...
July 22, 2017: Sensors
https://www.readbyqxmd.com/read/28736864/brain-tumor-segmentation-using-holistically-nested-neural-networks-in-mri-images
#3
Ying Zhuge, Andra V Krauze, Holly Ning, Jason Y Cheng, Barbara C Arora, Kevin Camphausen, Robert W Miller
PURPOSE: Gliomas are rapidly progressive, neurologically devastating, largely fatal brain tumors. Magnetic Resonance Imaging (MRI) is a widely used technique employed in the diagnosis and management of gliomas in clinical practice. MRI is also the standard imaging modality used to delineate the brain tumor target as part of treatment planning for the administration of radiation therapy. Despite more than 20 years of research and development, computational brain tumor segmentation in MRI images remains a challenging task...
July 24, 2017: Medical Physics
https://www.readbyqxmd.com/read/28736471/comparison-of-multi-fiber-reproducibility-of-pas-mri-and-q-ball-with-empirical-multiple-b-value-hardi
#4
Vishwesh Nath, Kurt G Schilling, Justin A Blaber, Zhaohua Ding, Adam W Anderson, Bennett A Landman
Crossing fibers are prevalent in human brains and a subject of intense interest for neuroscience. Diffusion tensor imaging (DTI) can resolve tissue orientation but is blind to crossing fibers. Many advanced diffusion-weighted magnetic resolution imaging (MRI) approaches have been presented to extract crossing-fibers from high angular resolution diffusion imaging (HARDI), but the relative sensitivity and specificity of approaches remains unclear. Here, we examine two leading approaches (PAS and q-ball) in the context of a large-scale, single subject reproducibility study...
February 11, 2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/28736441/nationally-representative-equations-that-include-resistance-and-reactance-for-the-prediction-of-percent-body-fat-in-americans
#5
J Stevens, K P Truesdale, J Cai, F-S Ou, K R Reynolds, S B Heymsfield
BACKGROUND/OBJECTIVES: Resistance and reactance collected by bioelectrical impedance (BIA) can be used in equations to estimate percent body fat at relatively low cost and subject burden. To our knowledge no such equations have been developed in a nationally representative sample. SUBJECTS/METHODS: Dual-energy X-ray absorptiometry (DXA) assessed percent body fat from the 1999-2004 NHANES was the criterion method for development of sex-specific percent body fat equations using up to 6467 males or 4888 females 8 to 49 years of age...
July 24, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28735583/fever-and-infections-during-pregnancy-and-psychosis-like-experiences-in-the-offspring-at-age-11-a-prospective-study-within-the-danish-national-birth-cohort
#6
J W Dreier, G Berg-Beckhoff, A M N Andersen, E Susser, M Nordentoft, K Strandberg-Larsen
BACKGROUND: Maternal exposures to fever and infections in pregnancy have been linked to subsequent psychiatric morbidity in the child. This study examined whether fever and common infections in pregnancy were associated with psychosis-like experiences (PLEs) in the child. METHODS: A longitudinal study of 46 184 children who participated in the 11-year follow-up of the Danish National Birth Cohort was conducted. Pregnant women were enrolled between 1996 and 2002 and information on fever, genitourinary infections, respiratory tract infection, and influenza-like illness during pregnancy was prospectively collected in two interviews during pregnancy...
July 24, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28735215/estimation-of-individual-axon-bundle-properties-by-a-multi-resolution-discrete-search-method
#7
Ricardo Coronado-Leija, Alonso Ramirez-Manzanares, Jose Luis Marroquin
A stable, accurate and robust-to-noise method for the estimation of the intra-voxel bundle-wise diffusion properties for diffusion-weighted magnetic resonance imaging is presented. The proposed method overcomes some of the limitations of most of the multi-fiber algorithms in the literature and extends them to estimate the diffusion profiles, improving the estimation of the intra-voxel geometry at challenging microstructure configurations, that is to say: relatively small crossing angles, different voxel-wise anisotropic diffusion profiles and low SNR...
June 29, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28734774/-does-chewing-gum-improve-postoperative-results-in-patients-undergoing-radical-cystectomy-a-systematic-review-of-literature-and-meta-analysis
#8
I Ziouziou, A Ammani, T Karmouni, K El Khader, A Koutani, A Iben Attya Andaloussi
INTRODUCTION: Postoperative ileus occurs in different degrees, in the majority of patients undergoing radical cystectomy, which may increase the length of hospital stay. The use of chewing gum has demonstrated its effectiveness in reducing time-to-bowel function and the length of hospital stay in several surgical procedures. OBJECTIVE: To evaluate the benefit of post-operative chewing gum use in patients undergoing radical cystectomy through a systematic review of the literature and meta-analysis...
July 19, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28733816/relative-weighting-of-acoustic-information-during-mating-decisions-in-grasshoppers-indicates-signatures-of-sexual-selection
#9
Jan Clemens, Jennifer Aufderheide, Bernhard Ronacher
The decision with whom to mate is crucial in determining an individual's fitness and is often based on the evaluation of visual or acoustic displays produced during courtship. Accordingly, the algorithms for evaluating such courtship signals are shaped by sexual selection and should reflect the expected benefits and costs of mating: signals bearing heterospecific features should be rapidly rejected, since mating would produce no fertile offspring, while signals resembling conspecific ones should be weighted proportional to mate quality...
July 21, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28732086/risk-of-stomach-cancer-in-aotearoa-new-zealand-a-m%C3%A4-ori-population-based-case-control-study
#10
Lis Ellison-Loschmann, Andrew Sporle, Marine Corbin, Soo Cheng, Pauline Harawira, Michelle Gray, Tracey Whaanga, Parry Guilford, Jonathan Koea, Neil Pearce
Māori, the indigenous people of New Zealand, experience disproportionate rates of stomach cancer, compared to non-Māori. The overall aim of the study was to better understand the reasons for the considerable excess of stomach cancer in Māori and to identify priorities for prevention. Māori stomach cancer cases from the New Zealand Cancer Registry between 1 February 2009 and 31 October 2013 and Māori controls, randomly selected from the New Zealand electoral roll were matched by 5-year age bands to cases...
2017: PloS One
https://www.readbyqxmd.com/read/28731602/accuracy-and-precision-of-estimation-equations-to-predict-net-endogenous-acid-excretion-using-the-australian-food-database
#11
Benjamin H Parmenter, Gary J Slater, Lynda A Frassetto
AIM: The gold standard of measurement for net endogenous acid production (NEAP) is net acid excretion (NAE), a test that is not readily available, and consequently, estimative equations by Remer and Manz and Frassetto et al. are often used. These equations rely on nutrient databases and it is recommended that their validity be assessed using a country's database before their application in research in that country. We sought to delineate the accuracy and precision of these estimation equations using the Australian food database...
July 2017: Nutrition & Dietetics: the Journal of the Dietitians Association of Australia
https://www.readbyqxmd.com/read/28731432/multivariate-approach-for-alzheimer-s-disease-detection-using-stationary-wavelet-entropy-and-predator-prey-particle-swarm-optimization
#12
Yudong Zhang, Shuihua Wang, Yuxiu Sui, Ming Yang, Bin Liu, Hong Cheng, Junding Sun, Wenjuan Jia, Preetha Phillips, Juan Manuel Gorriz
BACKGROUND: The number of patients with Alzheimer's disease is increasing rapidly every year. Scholars often use computer vision and machine learning methods to develop an automatic diagnosis system. OBJECTIVE: In this study, we developed a novel machine learning system that can make diagnoses automatically from brain magnetic resonance images. METHODS: First, the brain imaging was processed, including skull stripping and spatial normalization...
July 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28729918/white-matter-sexual-dimorphism-of-the-adult-human-brain
#13
Ali K Bourisly, Grace Gejo, Abrar A Hayat, Lamya Alsarraf, Fatima M Dashti, Margherita Di Paola
Sex-biased psychophysiology, behavior, brain function, and conditions are extensive, yet underlying structural brain mechanisms remain unclear. There is contradicting evidence regarding sexual dimorphism when it comes to brain structure, and there is still no consensus on whether or not there exists such a dimorphism for brain white matter. Therefore, we conducted a voxel-based morphometry (VBM) analysis along with global volume analysis for white matter across sex. We analyzed 384 T1-weighted MRI brain images (192 male, 192 female) to investigate any differences in white matter (WM) between males and females...
2017: Translational Neuroscience
https://www.readbyqxmd.com/read/28728807/the-impact-of-team-based-primary-care-on-health-care-services-utilization-and-costs-quebec-s-family-medicine-groups
#14
Erin Strumpf, Mehdi Ammi, Mamadou Diop, Julie Fiset-Laniel, Pierre Tousignant
We investigate the effects on health care costs and utilization of team-based primary care delivery: Quebec's Family Medicine Groups (FMGs). FMGs include extended hours, patient enrolment and multidisciplinary teams, but they maintain the same remuneration scheme (fee-for-service) as outside FMGs. In contrast to previous studies, we examine the impacts of organizational changes in primary care settings in the absence of changes to provider payment and outside integrated care systems. We built a panel of administrative data of the population of elderly and chronically ill patients, characterizing all individuals as FMG enrollees or not...
July 1, 2017: Journal of Health Economics
https://www.readbyqxmd.com/read/28728396/characterization-and-functional-inferences-of-a-genome-wide-dna-methylation-profile-in-the-loin-longissimus-dorsi-muscle-of-swine
#15
Woonsu Kim, Hyesun Park, Kang-Seok Seo, Seongwon Seo
Objective: DNA methylation plays a major role in regulating the expression of genes related to traits of economic interest (e.g., weight gain) in livestock animals. This study characterized and investigated the functional inferences of genome-wide DNA methylome in the loin (longissimus dorsi) muscle (LDM) of swine. Methods: A total of 8.99 Gb methylated DNA immunoprecipitation sequence data were obtained from LDM samples of eight Duroc pigs (four pairs of littermates)...
May 14, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28727900/head-midline-position-for-preventing-the-occurrence-or-extension-of-germinal-matrix-intraventricular-hemorrhage-in-preterm-infants
#16
REVIEW
Olga Romantsik, Maria Grazia Calevo, Matteo Bruschettini
BACKGROUND: Preterm birth is known to constitute the major risk factor for development of germinal matrix-intraventricular hemorrhage (GM-IVH). Head position may affect cerebral hemodynamics and thus may be involved indirectly in development of GM-IVH. Turning the head toward one side may functionally occlude jugular venous drainage on the ipsilateral side while increasing intracranial pressure and cerebral blood volume. Thus, it has been suggested that cerebral venous pressure is reduced and hydrostatic brain drainage improved if the patient is in supine midline position with the bed tilted 30°...
July 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28727715/a-pilot-cross-sectional-study-of-postpartum-wrist-pain-in-an-urban-chinese-population-its-prevalence-and-risk-factors
#17
Regina W S Sit, Wing-Hung Tam, Dicken C C Chan, Benjamin H K Yip, Lucia W Y Tam, Lyan L Y Chow, Vincent C H Chung, Roger Y Chung, Samuel Y S Wong
BACKGROUND: Wrist pain after childbirth is commonly encountered in clinical practice. Little is known about the prevalence of this musculoskeletal disorder which is important to overall maternal health. OBJECTIVE: To examine the prevalence of and risk factors for de novo wrist pain in women after childbirth. STUDY DESIGN: A pilot cross-sectional survey. SETTING: A telephone interview was conducted 2 months after childbirth among women who delivered at a tertiary hospital in Hong Kong...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28727672/cardiac-rehabilitation-in-patients-with-left-ventricular-assist-device-a-systematic-review-and-meta-analysis
#18
Toufik Mahfood Haddad, Alok Saurav, Aiman Smer, Muhammad S Azzouz, Abhilash Akinapelli, Mark A Williams, Venkata M Alla
PURPOSE: Exercise-based cardiac rehabilitation (EBCR) has been demonstrated to improve functional capacity in heart failure (HF). However, there are limited data on the effect of EBCR in patients with advanced HF and left ventricular assist devices (LVADs). This meta-analysis sought to evaluate the effects of EBCR on functional capacity in patients with LVAD. METHODS: PubMed, Web of Science, CINAHL, and Cochrane Library databases were searched for randomized studies assessing the impact of EBCR in patients following LVAD implantation compared with standard therapy (ST)...
July 19, 2017: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/28723761/efficacy-of-the-prophylactic-use-of-octreotide-for-the-prevention-of-complications-after-pancreatic-resection-an-updated-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#19
Chunli Wang, Xin Zhao, Shengyi You
BACKGROUND: The use of octreotide prophylaxis in the prevention of complications after pancreatic resection remains controversial. The aim of this systematic review and meta-analysis was to evaluate the efficacy of octreotide prophylactic treatment to prevent complications after pancreatic resection. METHODS: Five databases (PubMed, Medline, SinoMed, Embase, and Cochrane Library) were searched for eligible studies from 1980 to November 2016 with the limitation of human subjects and randomized controlled trials (RCTs)...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28719493/validity-and-reliability-of-assessing-body-composition-using-a-mobile-application
#20
Elizabeth Z MacDonald, Pat R Vehrs, Gilbert W Fellingham, Dennis Eggett, James D George, Ronald Hager
PURPOSE: The purpose of this study was to determine the validity and reliability of the LeanScreen (LS) mobile application that estimates percent body fat (%BF) using estimates of circumferences from photographs. METHODS: The %BF of 148 weight-stable adults was estimated once using DXA. Each of two administrators assessed the %BF of each subject twice using the LS app and manually measured circumferences. A mixed model ANOVA and Bland-Altman analyses were used to compare the estimates of %BF obtained from each method...
July 17, 2017: Medicine and Science in Sports and Exercise
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