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https://www.readbyqxmd.com/read/28527008/the-role-of-bevacizumab-in-the-treatment-of-glioblastoma
#1
REVIEW
Roberto Jose Diaz, Sheikh Ali, Mehreen Gull Qadir, Macarena I De La Fuente, Michael E Ivan, Ricardo J Komotar
Bevacizumab has been used in patients with GBM as a salvage therapy since its approval in the United States for recurrent GBM in 2009. In order to review the therapeutic effect of bevacizumab in the primary and recurrent clinical setting we have performed a systematic analysis of data from the published literature. Weighted median progression free survival and overall survival were calculated and compared to standard therapy or other experimental therapies. A qualitative analysis of the limited studies on health related quality of life and effects on steroid requirements was also undertaken...
May 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28526830/computationally-driven-engineering-of-sublattice-ordering-in-a-hexagonal-alhfsctizr-high-entropy-alloy
#2
Lukasz Rogal, Piotr Bobrowski, Fritz Körmann, Sergiy Divinski, Frank Stein, Blazej Grabowski
Multi-principle element alloys have enormous potential, but their exploration suffers from the tremendously large range of configurations. In the last decade such alloys have been designed with a focus on random solid solutions. Here we apply an experimentally verified, combined thermodynamic and first-principles design strategy to reverse the traditional approach and to generate a new type of hcp Al-Hf-Sc-Ti-Zr high entropy alloy with a hitherto unique structure. A phase diagram analysis narrows down the large compositional space to a well-defined set of candidates...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526795/exploring-a-possible-link-between-the-intestinal-microbiota-and-feed-efficiency-in-pigs
#3
Ursula M McCormack, Tânia Curião, Stefan G Buzoianu, Maria L Prieto, Tomas Ryan, Patrick Varley, Fiona Crispie, Elizabeth Magowan, Barbara U Metzler-Zebeli, Donagh Berry, Orla O'Sullivan, Paul D Cotter, Gillian E Gardiner, Peadar G Lawlor
Feed efficiency (FE) is critical in pig production for both economic and environmental reasons. As the intestinal microbiota plays an important role in energy harvest, it is likely to influence FE. Our aim was therefore to characterize the intestinal microbiota of pigs ranked as low, medium and high residual feed intake (RFI; a metric for FE), where genetic, nutritional and management effects were minimized, in order to explore a possible link between the intestinal microbiota and FE. Eighty one pigs were ranked on RFI between weaning and day 126 post-weaning, and 32 were selected as the extremes in RFI (12 low, 10 medium, 10 high)...
May 19, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28526460/semi-supervised-medical-entity-recognition-a-study-on-spanish-and-swedish-clinical-corpora
#4
Alicia Pérez, Rebecka Weegar, Arantza Casillas, Koldo Gojenola, Maite Oronoz, Hercules Dalianis
OBJECTIVE: The goal of this study is to investigate entity recognition within Electronic Health Records (EHRs) focusing on Spanish and Swedish. Of particular importance is a robust representation of the entities. In our case, we utilized unsupervised methods to generate such representations. METHODS: The significance of this work stands on its experimental layout. The experiments were carried out under the same conditions for both languages. Several classification approaches were explored: maximum probability, CRF, Perceptron and SVM...
May 16, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28526329/a-behaviour-change-intervention-to-reduce-sedentary-time-in-people-with-chronic-obstructive-pulmonary-disease-protocol-for-a-randomised-controlled-trial
#5
Sonia Wing Mei Cheng, Jennifer Alison, Sarah Dennis, Emmanuel Stamatakis, Lissa Spencer, Renae McNamara, Susan Sims, Zoe McKeough
INTRODUCTION: Replacing sedentary behaviour with light intensity physical activity (ie, activities classified as less than three metabolic equivalents, such as slow-paced walking) may be a more realistic strategy for reducing cardiometabolic risk in people with chronic obstructive pulmonary disease than only aiming to increase levels of moderate-vigorous intensity physical activity. Behaviour change interventions to reduce sedentary behaviour in people with chronic obstructive pulmonary disease have not yet been developed or tested...
May 16, 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/28526087/a-multimodal-day-treatment-program-for-multi-problem-young-adults-study-protocol-for-a-randomized-controlled-trial
#6
Marie-Jolette A Luijks, Floor Bevaart, Josjan Zijlmans, Laura van Duin, Reshmi Marhe, Theo A H Doreleijers, Henning Tiemeier, Jessica J Asscher, Arne Popma
BACKGROUND: Effective interventions for young adults with severe, multiple problems - such as psychosocial and psychiatric problems, delinquency, unemployment and substance use - are scarce but urgently needed in order to support an adequate transition to adulthood. A multimodal day treatment program called "New Opportunities" (in Dutch: "De Nieuwe Kans"; DNK) was specifically developed to target multi-problem young adults in The Netherlands. The aim of this study protocol is to describe the design of a randomized controlled trial (RCT) in clinical practice to examine the effectiveness of DNK in comparison with care as usual (CAU)...
May 19, 2017: Trials
https://www.readbyqxmd.com/read/28526039/influences-on-patient-satisfaction-in-healthcare-centers-a-semi-quantitative-study-over-5%C3%A2-years
#7
Ruth D Thornton, Nicole Nurse, Laura Snavely, Stacey Hackett-Zahler, Kenice Frank, Robert A DiTomasso
BACKGROUND: Knowledge of ambulatory patients' satisfaction with clinic visits help improve communication and delivery of healthcare. The goal was to examine patient satisfaction in a primary care setting, identify how selected patient and physician setting and characteristics affected satisfaction, and determine if feedback provided to medical directors over time impacted patient satisfaction. METHODS: A three-phase, semi-quantitative analysis was performed using anonymous, validated patient satisfaction surveys collected from 889 ambulatory outpatients in 6 healthcare centers over 5-years...
May 19, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28526031/breast-cancer-relatives-physical-activity-intervention-needs-and-preferences-qualitative-results
#8
Sheri J Hartman, Rochelle K Rosen
BACKGROUND: While many risk factors for breast cancer, such as family history, are not modifiable, some, however, can be modified. The study used formative qualitative research to learn about the physical activity intervention preferences and needs of first-degree female relatives (FDFRs) of breast cancer patients; that information was then used to develop a targeted physical activity intervention. METHODS: Twenty FDFRs first completed a 12-week physical activity intervention and then attended two sequential focus groups (7 groups total)...
May 19, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28525952/sb-and-n-incorporation-interplay-in-gaassbn-gaas-epilayers-near-lattice-matching-condition-for-1-0-1-16-ev-photonic-applications
#9
V Braza, D F Reyes, A Gonzalo, A D Utrilla, T Ben, J M Ulloa, D González
As promising candidates for solar cell and photodetection applications in the range 1.0-1.16 eV, the growth of dilute nitride GaAsSbN alloys lattice matched to GaAs is studied. With this aim, we have taken advantage of the temperature gradient in the molecular beam epitaxy reactor to analyse the impact of temperature on the incorporation of Sb and N species according to the wafer radial composition gradients. The results from the combination of X-ray diffraction (XRD) and energy-dispersive X-ray spectroscopies (EDS) show an opposite rate of incorporation between N and Sb as we move away from the centre of the wafer...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28525815/an-integrated-approach-to-study-the-risk-from-landfill-soil-of-delhi-chemical-analyses-in-vitro-assays-and-human-risk-assessment
#10
Swati, Pooja Ghosh, Indu Shekhar Thakur
In the present study, landfill soil of three municipal solid waste landfill sites of Delhi, India were toxico-chemically analyzed for human risk assessment as inadequate information is available on the possible health effects of the contaminants present in landfill soil. The landfill soil samples were prepared for analyzing heavy metal concentration, organic contaminants and toxicity analysis separately. Composite soil sample collected from three landfill sites were analyzed for heavy metal by ICP-AES. Metal concentration so obtained was below the permissible limit of soil but higher than the set limits for effluent...
May 16, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28524675/experimental-determination-of-dynamical-lee-yang-zeros
#11
Kay Brandner, Ville F Maisi, Jukka P Pekola, Juan P Garrahan, Christian Flindt
Statistical physics provides the concepts and methods to explain the phase behavior of interacting many-body systems. Investigations of Lee-Yang zeros-complex singularities of the free energy in systems of finite size-have led to a unified understanding of equilibrium phase transitions. The ideas of Lee and Yang, however, are not restricted to equilibrium phenomena. Recently, Lee-Yang zeros have been used to characterize nonequilibrium processes such as dynamical phase transitions in quantum systems after a quench or dynamic order-disorder transitions in glasses...
May 5, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28524543/snapshot-whole-brain-t1-relaxometry-using-steady-state-prepared-spiral-multislice-variable-flip-angle-imaging
#12
Rahel Heule, Josef Pfeuffer, Oliver Bieri
PURPOSE: Variable flip angle (VFA) imaging is widely used for whole-brain T1 quantification. Because of the requirement to acquire at least two sets of MR images at different flip angles, VFA relaxometry is relatively slow. Here, whole-brain VFA T1 mapping at 1.5 T is accelerated by using efficient spiral non-Cartesian imaging METHODS: To quantify T1 in the human brain, radiofrequency spoiled gradient-echo imaging is performed at two optimized flip angles using an interleaved 2D multislice sequence with high spoiling efficiency...
May 19, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28524114/bath-ambience-a-mechatronic-system-for-assisting-the-caregivers-of-bedridden-people
#13
Karolina Bezerra, José Machado, Vítor Carvalho, Marcelo Castro, Pedro Costa, Demétrio Matos, Filomena Soares
The health of older people is receiving special attention and dedication nowadays, with the aim of increasing their general wellbeing and quality of life. Studies into different aspects of the care of the elderly have found that emphasis should be given to solving problems related to bathing in different situations and environments. In particular, it is important to develop new assistive technologies to streamline and ease the burden of a caregiver's daily tasks. Generally-speaking, in the case of bedridden patients, bathing is typically carried out manually by a caregiver, using towels, sponges, and a water basin...
May 18, 2017: Sensors
https://www.readbyqxmd.com/read/28524042/-preparation-and-application-of-cooling-bag-for-heat-stroke-in-wild-field
#14
Hailing Li, Qing Lu, Hongping Wang, Lujia Li
Cooling bag for heat stroke in wild field was invented in order to fulfill rapid cooling for heat stroke in field environment. The cooling bag is composed of the hood, the body cover (which is made up of the anterior portion, the linking, and the posterior portion), the fixed straps, the handles. The length is 200 cm, the regulative width is 60-70 cm, the folding volume is 26 cm × 20 cm × 9 cm, and the weight is 1.4 kg. There are a number of pockets for the cold sources in the hood and the body cover. Fixed straps are set in the upper, middle and lower of the bag...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28524037/-clinical-analysis-of-53-patients-with-clostridium-botulinum-food-poisoning
#15
Peng Zhang, Jianguang Dong, Lili Bai, Zewu Qiu
OBJECTIVE: To analyze the epidemiologic data of patients with Clostridium botulinum food poisoning, and to improve the understanding, diagnosis and treatment of food borne botulism. METHODS: A retrospective study was conducted. Fifty-three patients with Clostridium botulinum food poisoning admitted to Chinese PLA Center of Poisoning and Treatment from January 2009 to December 2016 were enrolled, and they were divided into mild, moderate, and severe groups according to the severity of disease...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28524012/towards-practical-application-of-sensors-for-monitoring-animal-health-design-and-validation-of-a-model-to-detect-ketosis
#16
Machteld Steensels, Ephraim Maltz, Claudia Bahr, Daniel Berckmans, Aharon Antler, Ilan Halachmi
The objective of this study was to design and validate a mathematical model to detect post-calving ketosis. The validation was conducted in four commercial dairy farms in Israel, on a total of 706 multiparous Holstein dairy cows: 203 cows clinically diagnosed with ketosis and 503 healthy cows. A logistic binary regression model was developed, where the dependent variable is categorical (healthy/diseased) and a set of explanatory variables were measured with existing commercial sensors: rumination duration, activity and milk yield of each individual cow...
May 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28523416/utility-of-ct-oral-contrast-administration-in-the-emergency-department-of-a-quaternary-oncology-hospital-diagnostic-implications-turnaround-times-and-assessment-of-ed-physician-ordering
#17
Corey T Jensen, Katherine J Blair, Ott Le, Jia Sun, Wei Wei, Brinda Rao Korivi, Ajaykumar C Morani, Nicolaus A Wagner-Bartak
PURPOSE: To compare studies with and without oral contrast on performance of multidetector computed tomography (CT) and the order to CT examination turnaround time in cancer patients presenting to the emergency department (ED). To the best of our knowledge, oral contrast utility has not previously been specifically assessed in cancer patients presenting to the emergency department. MATERIALS & METHODS: Retrospective review of CT abdomen examinations performed in oncology patients presenting to the emergency department during one month...
May 18, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28523364/-structured-patient-handovers-in-perioperative-medicine-rationale-and-implementation-in-clinical-practice
#18
M J Merkel, V von Dossow, B Zwißler
Clear and consistent communication is pivotal for well-functioning teamwork, in operating theatres as well as intensive care units. However, patient handovers significantly vary between specialties and locations. If communication is not well structured, it might increase the risk for mishaps and malpractice. Therefore, implementing structured handover protocols is pivotal. The perioperative setting is a high-risk environment that is prone to communication failures due to operational design (frequent change of shift due to working time restrictions) and a high work load and multitasking (operating room management, short surgery times, concurrent emergencies)...
May 18, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28522899/the-metabolic-syndrome-inflammation-and-colorectal-cancer-risk-an-evaluation-of-large-panels-of-plasma-protein-markers-using-repeated-prediagnostic-samples
#19
Sophia Harlid, Robin Myte, Bethany Van Guelpen
Metabolic syndrome (MetS), a set of metabolic risk factors including obesity, dysglycemia, and dyslipidemia, is associated with increased colorectal cancer (CRC) risk. A putative biological mechanism is chronic, low-grade inflammation, both a feature of MetS and a CRC risk factor. However, excess body fat also induces a proinflammatory state and increases CRC risk. In order to explore the relationship between MetS, body size, inflammation, and CRC, we studied large panels of inflammatory and cancer biomarkers...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28522359/a-novel-specialized-single-linkage-clustering-algorithm-for-taxonomically-ordered-data
#20
Markus Schmidt, Arne Kutzner, Klaus Heese
Similarities among ortholog genes for a given set of species S can be expressed by alignment matrices, where each matrix cell results from aligning a gene transcript against the genome of a species within S. Gene clusters can be computed by using single-linkage clustering in time n*m, where n denotes the number of ortholog genes and m denotes the number of inspected assemblies. Our approach can break the O(n*m) complexity of single-linkage clustering by exploiting an order among species that results from an in-order traversal of a given phylogenetic tree...
May 15, 2017: Journal of Theoretical Biology
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