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https://www.readbyqxmd.com/read/27923357/patient-preferences-for-palliative-treatment-of-locally-advanced-or-metastatic-gastric-cancer-and-adenocarcinoma-of-the-gastroesophageal-junction-a-choice-based-conjoint-analysis-study-from-germany
#1
R Hofheinz, J Clouth, J Borchardt-Wagner, U Wagner, E Weidling, M H Jen, P Brück
BACKGROUND: Decisions on palliative chemotherapy (CT) for locally advanced or metastatic gastric cancer (mGC) require trade-offs between potential benefits and risks for patients. Healthcare providers and payers agree that patient-preferences should be considered. We conducted a choice-based conjoint (CBC) analysis study in pre-treated patients from Germany with mGC or locally advanced or metastatic adenocarcinoma of the gastroesophageal junction (mGEJ-Ca), to evaluate their preferences when hypothetically selecting a CT regimen...
December 6, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27922969/orbital-morphometry-a-computed-tomography-analysis
#2
Jaswinder Singh, Roselinda Ab Rahman, Zainul Ahmad Rajion, Johari Abdullah, Irfan Mohamad
INTRODUCTION: The human orbit is a complex anatomic region, which plays predominant role in the evaluation of craniofacial complex. A thorough understanding of the relationship of the distance from orbital rim to the important vital structures of the orbital apex is required for the surgeon to perform safe and effective surgery. OBJECTIVES: To evaluate and compare the depth and distances from various points of the orbital rim to the fissures and foramina of the orbital apex between genders in the local population...
December 5, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27921174/spatiotemporal-variations-of-extreme-low-temperature-for-emergency-transport-a-nationwide-observational-study
#3
Daisuke Onozuka, Akihito Hagihara
Although recent studies have investigated the effect of extreme heat on emergency transport, few have investigated the spatiotemporal variations of extreme low temperature for emergency transport on a national scale. Data pertaining to emergency ambulance transport and weather variation in the 47 prefectures of Japan between 2007 and 2010 were obtained. Nonlinear and delayed relationships between temperature and morbidity were assessed using a two-stage analysis. First, a Poisson regression analysis allowing for overdispersion in a distributed lag nonlinear model was used to estimate the prefecture-specific effects of temperature on morbidity...
December 5, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27920764/one-step-pcr-detection-of-salmonella-pullorum-gallinarum-using-a-novel-target-the-flagellar-biosynthesis-gene-flhb
#4
Dan Xiong, Li Song, Shizhong Geng, Jing Tao, Shumin An, Zhiming Pan, Xinan Jiao
Salmonella enterica serovar Pullorum/Gallinarum is an important infectious pathogen that has caused widespread problems for chicken industry. Traditional Salmonella serotyping is an expensive and time-consuming process. In this study, we developed a rapid one-step polymerase chain reaction (PCR) method to identify S. Pullorum/Gallinarum. The PCR-based assay focuses on flhB, which shows a deficient region only in S. Pullorum/Gallinarum, compared with that of other serovars. The specificity and sensitivity of the PCR system were evaluated...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27920246/beyond-utilization-measuring-effective-coverage-of-obstetric-care-along-the-quality-cascade
#5
Elysia Larson, Daniel Vail, Godfrey M Mbaruku, Redempta Mbatia, Margaret E Kruk
OBJECTIVE: To determine the effective coverage of obstetric care in a rural Tanzanian region and to assess differences in effective coverage by wealth. DESIGN: Cross-sectional structured interviews. SETTING: Pwani Region, Tanzania. PARTICIPANTS: The study includes 24 rural, government-managed, primary healthcare clinics and their catchment populations. From January-April 2016, we conducted a household survey of a census of women with recent deliveries, health worker knowledge surveys and facility audits...
December 4, 2016: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/27919745/biomechanics-of-cell-reorientation-in-a-three-dimensional-matrix-under-compression
#6
Lijie Yang, Léolène Jean Carrington, Begum Erdogan, Mingfang Ao, Bryson M Brewer, Donna J Webb, Deyu Li
Although a number of studies have reported that cells cultured on a stretchable substrate align away from or perpendicular to the stretch direction, how cells sense and respond to compression in a three-dimensional (3D) matrix remains an open question. We analyzed the reorientation of human prostatic normal tissue fibroblasts (NAFs) and cancer-associated fibroblasts (CAFs) in response to 3D compression using a Fast Fourier Transform (FFT) method. Results show that NAFs align to specific angles upon compression while CAFs exhibit a random distribution...
December 2, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27919559/effects-of-flow-regime-on-benthic-algae-and-macroinvertebrates-a-comparison-between-regulated-and-unregulated-rivers
#7
Susanne C Schneider, Zlatko Petrin
Natural fluctuations in flow are important for maintaining the ecological integrity of riverine ecosystems. However, the flow regime of many rivers has been modified. We assessed the impact of water chemistry, habitat and streamflow characteristics on macroinvertebrates and benthic algae, comparing 20 regulated with 20 unregulated sites. Flow regime, calculated from daily averaged discharge over the five years preceding sampling, was generally more stable at regulated sites, with higher relative discharges in winter, lower relative discharges in spring and smaller differences between upper and lower percentiles...
December 2, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27918438/minimum-interference-channel-assignment-algorithm-for-multicast-in-a-wireless-mesh-network
#8
Sangil Choi, Jong Hyuk Park
Wireless mesh networks (WMNs) have been considered as one of the key technologies for the configuration of wireless machines since they emerged. In a WMN, wireless routers provide multi-hop wireless connectivity between hosts in the network and also allow them to access the Internet via gateway devices. Wireless routers are typically equipped with multiple radios operating on different channels to increase network throughput. Multicast is a form of communication that delivers data from a source to a set of destinations simultaneously...
December 2, 2016: Sensors
https://www.readbyqxmd.com/read/27914379/vocalizations-produced-by-southern-right-whale-eubalaena-australis-mother-calf-pairs-in-a-calving-ground-off-brazil
#9
Julia R G Dombroski, Susan E Parks, Karina R Groch, Paulo A C Flores, Renata S Sousa-Lima
Aiming to gather information on southern right whale (Eubalaena australis) mother-calf pairs' vocal behavior, archival acoustic recorders were deployed at a calving area off Brazil. Manual inspection of spectrograms revealed seven call classes: upcall, downcall, down-upcall, tonal variable, tonal constant, hybrid, and pulsive calls, which are consistent with those previously described for this species in Argentina. Gunshots and warbles, vocalizations described from other right whale species, were not detected...
September 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27909944/using-an-analysis-of-behavior-change-to-inform-effective-digital-intervention-design-how-did-the-primit-website-change-hand-hygiene-behavior-across-8993-users
#10
B Ainsworth, M Steele, B Stuart, J Joseph, S Miller, L Morrison, P Little, L Yardley
BACKGROUND: In designing digital interventions for healthcare, it is important to understand not just whether interventions work but also how and for whom-including whether individual intervention components have different effects, whether a certain usage threshold is required to change behavior in each intervention and whether usage differs across population subgroups. PURPOSE: We investigated these questions using data from a large trial of the digital PRimary care trial of a website based Infection control intervention to Modify Influenza-like illness and respiratory tract infection Transmission) (PRIMIT) intervention, which aimed to reduce respiratory tract infections (RTIs) by increasing hand hygiene behavior...
December 1, 2016: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/27907043/thermodynamic-simulation-of-carbonate-cements-water-carbon-dioxide-equilibrium-in-sandstone-for-prediction-of-precipitation-dissolution-of-carbonate-cements
#11
Yiping Duan, Mingshi Feng, Xinyan Zhong, Ruishu Shang, Lihong Huang
Carbonate cements, such as calcite, dolomite, ferrocalcite and ankerite, play important roles in the formation of pores in sandstones: precipitation of carbonate cements modifies pores and inhibits compaction, while dissolution creates secondary pores. This work proposed a precipitation-dissolution model for carbonate cements-CO2-H2O system by means of ion equilibrium concentration ([M2+], M = Ca, Mg, Fe or Mn) with different factors, such as temperature, depth, pH, [Formula: see text], variable rock composition and overpressure...
2016: PloS One
https://www.readbyqxmd.com/read/27903195/dosimetric-effects-of-onyx-embolization-on-gamma-knife-arteriovenous-malformation-dose-distributions
#12
David J Schlesinger, Håkan Nordström, Anders Lundin, Zhiyuan Xu, Jason P Sheehan
OBJECTIVE Patients with arteriovenous malformations (AVMs) treated with Gamma Knife radiosurgery (GKRS) subsequent to embolization suffer from elevated local failure rates and differences in adverse radiation effects. Onyx is a common embolic material for AVMs. Onyx is formulated with tantalum, a high atomic number (Z = 73) element that has been investigated as a source of dosimetric uncertainty contributing to the less favorable clinical results. However, prior studies have not modeled the complicated anatomical and beam geometries characteristic of GKRS...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27903188/the-role-of-diffusion-tensor-imaging-tractography-for-gamma-knife-thalamotomy-planning
#13
João Gabriel Ribeiro Gomes, Alessandra Augusta Gorgulho, Amanda de Oliveira López, Crystian Wilian Chagas Saraiva, Lucas Petri Damiani, Anderson Martins Pássaro, João Victor Salvajoli, Ludmila de Oliveira Siqueira, Bernardo Peres Salvajoli, Antônio Afonso Ferreira De Salles
OBJECTIVE The role of tractography in Gamma Knife thalamotomy (GK-T) planning is still unclear. Pyramidal tractography might reduce the risk of radiation injury to the pyramidal tract and reduce motor complications. METHODS In this study, the ventralis intermedius nucleus (VIM) targets of 20 patients were bilaterally defined using Iplannet Stereotaxy Software, according to the anterior commissure-posterior commissure (AC-PC) line and considering the localization of the pyramidal tract. The 40 targets and tractography were transferred as objects to the GammaPlan Treatment Planning System (GP-TPS)...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27902764/movement-patterns-home-range-size-and-habitat-selection-of-an-endangered-resource-tracking-species-the-black-throated-finch-poephila-cincta-cincta
#14
Juliana Rechetelo, Anthony Grice, April Elizabeth Reside, Britta Denise Hardesty, James Moloney
Understanding movement patterns and home range of species is paramount in ecology; it is particularly important for threatened taxa as it can provide valuable information for conservation management. To address this knowledge gap for a range-restricted endangered bird, we estimated home range size, daily movement patterns and habitat use of a granivorous subspecies in northeast Australia, the black-throated finch (Poephila cincta cincta; BTF) using radio-tracking and re-sighting of colour banded birds. Little is known about basic aspects of its ecology including movement patterns and home range sizes...
2016: PloS One
https://www.readbyqxmd.com/read/27896037/functional-evaluation-of-patients-undergoing-multiple-joint-replacements-a-retrospective-study-of-50-patients-with-a-minimum-of-six-months-of-follow-up
#15
Shubhranshu S Mohanty, Nandan Mishra, Prateek Patil, Ajinkya Desale
INTRODUCTION:  Polyarthritis is a challenging condition that an orthopedic surgeon faces in day-to-day practice. Some of the conditions where multiple joints are affected are rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis. Multiple joint afflictions can cause severe impairment in the quality of life, which leads to a significant socioeconomic burden on the family and society. Joint replacement is considered as a treatment when severe joint pain or dysfunction is not alleviated by conservative management...
October 15, 2016: Curēus
https://www.readbyqxmd.com/read/27895902/effect-of-%C3%AE-lactamase-inhibitors-on-in-vitro-activity-of-%C3%AE-lactam-antibiotics-against-burkholderia-cepacia-complex-species
#16
Annelien Everaert, Tom Coenye
BACKGROUND: Bacteria belonging to the Burkholderia cepacia complex (Bcc) are an important cause of chronic respiratory tract infections in cystic fibrosis patients. Intrinsic resistance to a wide range of antimicrobial agents, including a variety of β-lactam antibiotics, is frequently observed in Bcc strains. Resistance to β-lactams is most commonly mediated by efflux pumps, alterations in penicillin-binding proteins or the expression of β-lactamases. β-lactamase inhibitors are able to restore the in vitro activity of β-lactam molecules against a variety of Gram-negative species, but the effect of these inhibitors on the activity of β-lactam treatment against Bcc species is still poorly investigated...
2016: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/27893561/finite-element-evaluation-of-different-osteosynthesis-variations-that-used-after-segmental-mandibular-resection
#17
Koray Onur Şanal, Bora Özden, Burcu Baş
PURPOSE: The purpose of this study was to evaluate the effect of different reconstruction plates and screw combinations on stress distribution of segmental resected mandibles using finite element analysis. METHODS: Lateral (L) and lateral-central (LC) defects were simulated by a computer aided design modeling. The straight (s) and angular (a) titanium locking reconstruction plates of 2.5 mm (12 holes for L defects and 16 holes for LC defects) were modeled. Each screw was 2...
November 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27891528/preparing-nursing-home-data-from-multiple-sites-for-clinical-research-a-case-study-using-observational-health-data-sciences-and-informatics
#18
Richard D Boyce, Steven M Handler, Jordan F Karp, Subashan Perera, Charles F Reynolds
INTRODUCTION: A potential barrier to nursing home research is the limited availability of research quality data in electronic form. We describe a case study of converting electronic health data from five skilled nursing facilities to a research quality longitudinal dataset by means of open-source tools produced by the Observational Health Data Sciences and Informatics (OHDSI) collaborative. METHODS: The Long-Term Care Minimum Data Set (MDS), drug dispensing, and fall incident data from five SNFs were extracted, translated, and loaded into version 4 of the OHDSI common data model...
2016: EGEMS
https://www.readbyqxmd.com/read/27889549/assessing-arsenic-and-selenium-in-a-single-nail-clipping-using-portable-x-ray-fluorescence
#19
David E B Fleming, Michel N Nader, Kelly A Foran, Craig Groskopf, Michael C Reno, Chris S Ware, Mina Tehrani, Diana Guimarães, Patrick J Parsons
The feasibility of measuring arsenic and selenium contents in a single nail clipping was investigated using a small-focus portable X-ray fluorescence (XRF) instrument with monochromatic excitation beams. Nail clipping phantoms supplemented with arsenic and selenium to produce materials with 0, 5, 10, 15, and 20µg/g were used for calibration purposes. In total, 10 different clippings were analyzed at two different measurement positions. Energy spectra were fit with detection peaks for arsenic Kα, selenium Kα, arsenic Kβ, selenium Kβ, and bromine Kα characteristic X-rays...
November 19, 2016: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/27888766/circadian-time-dependent-antioxidant-and-inflammatory-responses-to-acute-cadmium-exposure-in-the-brain-of-zebrafish
#20
Jia-Lang Zheng, Shuang-Shuang Yuan, Chang-Wen Wu, Zhen-Ming Lv, Ai-Yi Zhu
Up to date, little information is available on effects of circadian rhythm on metal-induced toxicity in fish. In this study, zebrafish were acutely exposed to 0.97mgL(-1) cadmium for 12h either at ZT0 (the light intensity began to reached maximum) or at ZT12 (light intensity began to reached minimum) to evaluate the temporal sensitivity of oxidative stress and inflammatory responses in the brain of zebrafish. Profiles of responses of some genes at mRNA, protein and activity levels were different between ZT0 and ZT12 in the normal water...
November 18, 2016: Aquatic Toxicology
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