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https://www.readbyqxmd.com/read/29346522/serious-fall-injury-history-and-adverse-health-outcomes-after-initiating-hemodialysis-among-older-u-s-adults
#1
C Barrett Bowling, Rasheeda Hall, Anjali Khakharia, Harold A Franch, Laura C Plantinga
Background: Although older adults with pre-dialysis chronic kidney disease (CKD) are at higher risk for falls, the prognostic significance of a serious fall injury prior to dialysis initiation has not been well described in the end-stage renal disease population. Methods: We examined the association between a serious fall injury in the year prior to starting hemodialysis and adverse health outcomes in the year following dialysis initiation using a retrospective cohort study of U...
January 16, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29345413/hepatitis-b-screening-before-rituximab-therapy-a-multicentre-south-australian-study-of-adherence
#2
Samuel Al Hall, Abdul Shaikh, KailinTeh, Mahsa Tantiongco, Douglas Coghlan, Chris S Karapetis, Mohammad A Chinnaratha, Richard Woodman, Kate R Muller, Alan J Wigg
Background and Aims International guidelines recommend screening for Hepatitis B virus (HBV) infection prior to administration of rituximab, due to high risk of HBV reactivation in at risk patients. The aim of this study was to determine; (1) adherence to the South Australian (SA) protocol for HBV screening, (2) HBV prevalence in patients receiving rituximab, and (3) outcomes of patients at risk of HBV reactivation. METHODS: All patients commenced on rituximab at the 6 major SA public hospitals during a 12-month period were included in the study...
January 18, 2018: Internal Medicine Journal
https://www.readbyqxmd.com/read/29345409/how-i-investigate-monocytosis
#3
REVIEW
D T Lynch, J Hall, K Foucar
Monocytosis is a common finding that is caused by a wide variety of neoplastic and non-neoplastic conditions. The adequate evaluation of monocytosis involves the integration of laboratory data, morphology, clinical findings, and the judicious use of ancillary studies. We review the literature on monocytosis, including the 2017 revised 4th edition of the World Health Organization classification of hematopoietic neoplasms. We present a review of monocytosis with practical guidelines on how to approach both routine and challenging cases...
January 18, 2018: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/29345350/activation-of-the-sympathetic-nervous-system-modulates-neutrophil-function
#4
Alyce J Nicholls, Shu Wen Wen, Pam Hall, Michael J Hickey, Connie H Y Wong
Emerging evidence has revealed that noradrenaline (NA), the main neurotransmitter of the sympathetic nervous system (SNS), regulates a variety of immune functions via binding to adrenergic receptors present on immune cells. In this study, we examined the role of NA in the regulation of neutrophil functions. Neutrophils were isolated from the bone marrow of naïve mice and treated with NA at various concentrations to assess the effect on various neutrophil functions. Additionally, we performed cremaster intravital microscopy to examine neutrophil-endothelial cell interactions following NA superfusion in vivo...
December 21, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29345082/how-should-we-respond-to-cannabis-impaired-driving
#5
EDITORIAL
Wayne Hall
No abstract text is available yet for this article.
January 2018: Drug and Alcohol Review
https://www.readbyqxmd.com/read/29344486/acute-presentation-of-mesectodermal-leiomyoma-of-the-ciliary-body
#6
Jenna May Kim, Laura Bressler Hall, Maxwell Elia, Michael S Ehrlich, Miguel A Materin, John H Sinard
Purpose: We report a case of acutely presenting mesectodermal leiomyoma of the ciliary body in a 29-year-old female who reported waking up with swollen eyelids of the right eye and light-perception vision. The affected eye had elevated intraocular pressure, a flat anterior chamber, and a pale, round mass arising from the nasal ciliary body, invading the angle and protruding into the visual axis posterior to the lens. Within days, the visual acuity decreased to no light perception. The eye was enucleated...
November 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29343601/the-evolution-of-sexual-signal-modes-and-associated-sensor-morphology-in-fireflies-lampyridae-coleoptera
#7
Kathrin F Stanger-Hall, Sarah E Sander Lower, Lauri Lindberg, Andrew Hopkins, Jenna Pallansch, David W Hall
Animals employ different sexual signal modes (e.g. visual, acoustic, chemical) in different environments and behavioural contexts. If sensory structures are costly, then evolutionary shifts in primary signal mode should be associated with changes in sensor morphology. Further, sex differences are expected if male and female signalling behaviours differ. Fireflies are known for their light displays, but many species communicate exclusively with pheromones, including species that recently lost their light signals...
January 31, 2018: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/29341781/valley-polarized-quantum-anomalous-hall-effect-in-ferrimagnetic-honeycomb-lattices
#8
Jian Zhou, Qiang Sun, Puru Jena
The valley-polarized quantum anomalous Hall effect (VP-QAHE), which combines valleytronics and topology in one material, is of significant fundamental and practical importance in condensed-matter physics and materials science. In previous model studies, VP-QAHE occurs under strong Rashba spin-orbit coupling (SOC), which is an extrinsic effect. Here, using a low energy k·p model, we propose a different mechanism of VP-QAHE by introducing an intrinsic staggered magnetic exchange field and develop a general picture of valley dependent band inversion in honeycomb lattice...
July 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341779/mesoscopic-transport-in-electrostatically-defined-spin-full-channels-in-quantum-hall-ferromagnets
#9
Aleksandr Kazakov, George Simion, Yuli Lyanda-Geller, Valery Kolkovsky, Zbigniew Adamus, Grzegorz Karczewski, Tomasz Wojtowicz, Leonid P Rokhinson
In this work, we use electrostatic control of quantum Hall ferromagnetic transitions in CdMnTe quantum wells to study electron transport through individual domain walls (DWs) induced at a specific location. These DWs are formed due to the hybridization of two counterpropagating edge states with opposite spin polarization. Conduction through DWs is found to be symmetric under magnetic field direction reversal, consistent with the helical nature of these DWs. We observe that long domain walls are in the insulating regime with a localization length of 4-6  μm...
July 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341701/3d-quantum-hall-effect-of-fermi-arcs-in-topological-semimetals
#10
C M Wang, Hai-Peng Sun, Hai-Zhou Lu, X C Xie
The quantum Hall effect is usually observed in 2D systems. We show that the Fermi arcs can give rise to a distinctive 3D quantum Hall effect in topological semimetals. Because of the topological constraint, the Fermi arc at a single surface has an open Fermi surface, which cannot host the quantum Hall effect. Via a "wormhole" tunneling assisted by the Weyl nodes, the Fermi arcs at opposite surfaces can form a complete Fermi loop and support the quantum Hall effect. The edge states of the Fermi arcs show a unique 3D distribution, giving an example of (d-2)-dimensional boundary states...
September 29, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341677/current-nonlinear-hall-effect-and-spin-orbit-torque-magnetization-switching-in-a-magnetic-topological-insulator
#11
K Yasuda, A Tsukazaki, R Yoshimi, K Kondou, K S Takahashi, Y Otani, M Kawasaki, Y Tokura
The current-nonlinear Hall effect or second harmonic Hall voltage is widely used as one of the methods for estimating charge-spin conversion efficiency, which is attributed to the magnetization oscillation by spin-orbit torque (SOT). Here, we argue the second harmonic Hall voltage under a large in-plane magnetic field with an in-plane magnetization configuration in magnetic-nonmagnetic topological insulator (TI) heterostructures, Cr_{x}(Bi_{1-y}Sb_{y})_{2-x}Te_{3}/(Bi_{1-y}Sb_{y})_{2}Te_{3}, where it is clearly shown that the large second harmonic voltage is governed not by SOT but mainly by asymmetric magnon scattering without macroscopic magnetization oscillation...
September 29, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341387/health-service-utilisation-amongst-urban-aboriginal-and-torres-strait-islander-children-aged-younger-than-5-years-registered-with-a-primary-health-care-service-in-south-east-queensland
#12
Kerry K Hall, Anne B Chang, Jennie Anderson, Daniel Arnold, Michael Otim, Kerry-Ann F O'Grady
AIM: The majority of Australia's Aboriginal and/or Torres Strait Islander children live in urban areas; however, little is known about their health service use. We aimed to describe health service utilisation amongst a cohort of urban Aboriginal and/or Torres Strait Islander children aged <5 years. METHODS: We analysed health service utilisation data collected in an ongoing prospective cohort study of children aged <5 years registered with an Aboriginal-owned and operated primary health-care service...
January 17, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29341359/familiar-communication-partners-facilitation-of-topic-management-in-conversations-with-individuals-with-dementia
#13
Karinna Hall, Christopher Lind, Jessica A Young, Elise Okell, Willem van Steenbrugge
BACKGROUND: Language and memory impairments affect everyday interactions between individuals with dementia and their communication partners. Impaired topic management, which compromises individuals' construction of relevant, meaningful discourse, is commonly reported amongst individuals with dementia. Currently, limited empirical evidence describes the sequential patterns of behaviour comprising topic-management practices in everyday conversation between individuals with dementia and their communication partners...
January 16, 2018: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/29341147/genotype-and-risk-of-tumour-rupture-in-gastrointestinal-stromal-tumour
#14
K Boye, J-M Berner, I Hompland, Ø S Bruland, S Stoldt, K Sundby Hall, B Bjerkehagen, T Hølmebakk
BACKGROUND: Tumour rupture is a strong predictor of poor outcome in gastrointestinal stromal tumours (GISTs) of the stomach and small intestine. The objective was to determine whether tumour genotype was associated with risk of rupture. METHODS: Rupture was classified according to the definition proposed by the Oslo Sarcoma Group. Since January 2000, data were registered retrospectively for all patients at Oslo University Hospital undergoing surgery for localized GIST of the stomach or small intestine...
January 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29340621/examining-exposure-assessment-in-shift-work-research-a-study-on-depression-among-nurses
#15
Amy L Hall, Renée-Louise Franche, Mieke Koehoorn
Introduction: Coarse exposure assessment and assignment is a common issue facing epidemiological studies of shift work. Such measures ignore a number of exposure characteristics that may impact on health, increasing the likelihood of biased effect estimates and masked exposure-response relationships. To demonstrate the impacts of exposure assessment precision in shift work research, this study investigated relationships between work schedule and depression in a large survey of Canadian nurses...
January 11, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29340508/-space-time-and-power-in-hospital-health-care-contributions-based-on-the-ethnography-of-an-obstetric-center
#16
María Guadalupe García, María Laura Recoder, Susana Margulies
This paper presents the results of an ethnographic study of an obstetric center within a hospital of Greater Buenos Aires and an analysis of the spatio-temporal dimension of hospital care. The fieldwork, carried out between 2007 and 2011, followed the everyday dynamics of the hospital and included observation in the obstetrics unit (waiting areas, the obstetric center where births and emergencies receive care, and the ambulatory care, ultrasound, and hospitalization rooms, among others) as well as spaces such as the appointments and statistics offices, the office of social services, the central hall, the pharmacy, and hallway waiting areas...
July 2017: Salud Colectiva
https://www.readbyqxmd.com/read/29340228/a-new-small-bodied-ornithopod-dinosauria-ornithischia-from-a-deep-high-energy-early-cretaceous-river-of-the-australian-antarctic-rift-system
#17
Matthew C Herne, Alan M Tait, Vera Weisbecker, Michael Hall, Jay P Nair, Michael Cleeland, Steven W Salisbury
A new small-bodied ornithopod dinosaur, Diluvicursor pickeringi, gen. et sp. nov., is named from the lower Albian of the Eumeralla Formation in southeastern Australia and helps shed new light on the anatomy and diversity of Gondwanan ornithopods. Comprising an almost complete tail and partial lower right hindlimb, the holotype (NMV P221080) was deposited as a carcass or body-part in a log-filled scour near the base of a deep, high-energy river that incised a faunally rich, substantially forested riverine floodplain within the Australian-Antarctic rift graben...
2018: PeerJ
https://www.readbyqxmd.com/read/29339160/overstretching-partially-alkyne-functionalized-dsdna-using-near-infrared-optical-tweezers
#18
Allan Raudsepp, Lisa M Kent, Simon B Hall, Martin A K Williams
The force-extension behaviour of synthesized double-stranded DNAs (dsDNAs) designed to have 2.1% or 6.6% of the thyamine bases alkyne functionalized was studied using near infrared (NIR) optical tweezers. Measurements were carried out on substrates with and without flurophores covalently attached to the alkyne moiety over an extended force range (F=0-70 pN) and results were compared to those obtained from an unmodified control. In accordance with earlier work [1] (measured over a force range F=0-5 pN), the force-extension of the dsDNA containing 2...
January 12, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29338876/meeting-report-global-vaccine-and-immunization-research-forum
#19
Andrew Q Ford, Nancy Touchette, B Fenton Hall, Angela Hwang, Joachim Hombach
Building on the success of the first Global Vaccine and Immunization Research Forum (GVIRF), the World Health Organization, the National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health in the United States of America, and the Bill & Melinda Gates Foundation convened the second GVIRF in March 2016. Leading scientists, vaccine developers, and public health officials from around the world discussed scientific advances and innovative technologies to design and deliver vaccines as well as novel tools and approaches to increase the uptake of vaccines throughout the world...
January 12, 2018: Vaccine
https://www.readbyqxmd.com/read/29338717/risk-factors-for-acute-respiratory-infections-in%C3%A2-children-under-five-years-attending-the-bamenda-regional-hospital-in-cameroon
#20
Alexis A Tazinya, Gregory E Halle-Ekane, Lawrence T Mbuagbaw, Martin Abanda, Julius Atashili, Marie Therese Obama
BACKGROUND: Acute respiratory infections (ARI) are a leading cause of morbidity and mortality in under-five children worldwide. About 6.6 million children less than 5 years of age die every year in the world; 95% of them in low-income countries and one third of the total deaths is due to ARI. This study aimed at determining the proportion of acute respiratory infections and the associated risk factors in children under 5 years visiting the Bamenda Regional Hospital in Cameroon. METHODS: A cross-sectional analytic study involving 512 children under 5 years was carried out from December 2014 to February 2015...
January 16, 2018: BMC Pulmonary Medicine
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