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Kevin hall

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https://www.readbyqxmd.com/read/29326843/risk-of-acute-kidney-injury-in-patients-randomized-to-a-restrictive-versus-liberal-approach-to-red-blood-cell-transfusion-in-cardiac-surgery-a-substudy-protocol-of-the-transfusion-requirements-in-cardiac-surgery-iii-noninferiority-trial
#1
Amit X Garg, Nadine Shehata, Shay McGuinness, Richard Whitlock, Dean Fergusson, Ron Wald, Chirag Parikh, Sean M Bagshaw, Boris Khanykin, Alex Gregory, Summer Syed, Gregory M T Hare, Meaghan S Cuerden, Kevin E Thorpe, Judith Hall, Subodh Verma, Pavel S Roshanov, Jessica M Sontrop, C David Mazer
Background: When safe to do so, avoiding blood transfusions in cardiac surgery can avoid the risk of transfusion-related infections and other complications while protecting a scarce resource and reducing costs. This protocol describes a kidney substudy of the Transfusion Requirements in Cardiac Surgery III (TRICS-III) trial, a multinational noninferiority randomized controlled trial to determine whether the risk of major clinical outcomes in patients undergoing planned cardiac surgery with cardiopulmonary bypass is no greater with a restrictive versus liberal approach to red blood cell transfusion...
2018: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/29311173/a-longitudinal-study-of-interactions-between-health-professionals-and-people-with-newly-diagnosed-diabetes
#2
Anthony Dowell, Maria Stubbe, Lindsay Macdonald, Rachel Tester, Lesley Gray, Sue Vernall, Tim Kenealy, Nicolette Sheridan, Barbara Docherty, Devi-Ann Hall, Deborah Raphael, Kevin Dew
PURPOSE: We undertook a study to observe in detail the primary care interactions and communications of patients with newly diagnosed diabetes over time. In addition, we sought to identify key points in the process where miscommunication might occur. METHODS: All health interactions of 32 patients with newly diagnosed type 2 diabetes were recorded and tracked as they moved through the New Zealand health care system for a period of approximately 6 months. Data included video recordings of patient interactions with the health professionals involved in their care (eg, general practitioners, nurses, dietitians)...
January 2018: Annals of Family Medicine
https://www.readbyqxmd.com/read/29306608/perspective-of-older-african-american-and-non-hispanic-white-breast-cancer-survivors-from-diverse-socioeconomic-backgrounds-toward-physical-activity-a-qualitative-study
#3
Cynthia Owusu, Elizabeth Antognoli, Nora Nock, Paul Hergenroeder, Kristina Austin, Elizabeth Bennet, Nathan A Berger, Stephen Cerne, Katelyn Foraker, Kevin Heine, Ellen Heyman, Halle Moore, Jean Petkac, Mark Schluchter, Kathryn H Schmitz, Anastasia Whitson, Susan Flocke
BACKGROUND: We sought to explore the perspective of older breast cancer survivors (BCS) from diverse racial and socioeconomic backgrounds toward physical activity (PA) to inform the design of a PA program that fosters acceptability. METHODS: Participants included sixty women, ≥65years, within two years of treatment completion for stage I-III breast cancer. We purposely sampled ≥ten patients in each race [African-American (AA) and Non-Hispanic White (NHW)] and socioeconomic status (SES) [SES disadvantaged and SES non-disadvantaged] group...
January 3, 2018: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/29300011/photonic-topological-boundary-pumping-as-a-probe-of-4d-quantum-hall-physics
#4
Oded Zilberberg, Sheng Huang, Jonathan Guglielmon, Mohan Wang, Kevin P Chen, Yaacov E Kraus, Mikael C Rechtsman
When a two-dimensional (2D) electron gas is placed in a perpendicular magnetic field, its in-plane transverse conductance becomes quantized; this is known as the quantum Hall effect. It arises from the non-trivial topology of the electronic band structure of the system, where an integer topological invariant (the first Chern number) leads to quantized Hall conductance. It has been shown theoretically that the quantum Hall effect can be generalized to four spatial dimensions, but so far this has not been realized experimentally because experimental systems are limited to three spatial dimensions...
January 3, 2018: Nature
https://www.readbyqxmd.com/read/29275334/effect-of-rituximab-on-a-salivary-gland-ultrasound-score-in-primary-sj%C3%A3-gren-s-syndrome-results-of-the-tractiss-randomised-double-blind-multicentre-substudy
#5
Benjamin A Fisher, Colin C Everett, John Rout, John L O'Dwyer, Paul Emery, Costantino Pitzalis, Wan-Fai Ng, Andrew Carr, Colin T Pease, Elizabeth J Price, Nurhan Sutcliffe, Jimmy Makdissi, Anwar R Tappuni, Nagui S T Gendi, Frances C Hall, Sharon P Ruddock, Catherine Fernandez, Claire T Hulme, Kevin A Davies, Christopher John Edwards, Peter C Lanyon, Robert J Moots, Euthalia Roussou, Andrea Richards, Linda D Sharples, Michele Bombardieri, Simon J Bowman
OBJECTIVES: To compare the effects of rituximab versus placebo on salivary gland ultrasound (SGUS) in primary Sjögren's syndrome (PSS) in a multicentre, multiobserver phase III trial substudy. METHODS: Subjects consenting to SGUS were randomised to rituximab or placebo given at weeks 0, 2, 24 and 26, and scanned at baseline and weeks 16 and 48. Sonographers completed a 0-11 total ultrasound score (TUS) comprising domains of echogenicity, homogeneity, glandular definition, glands involved and hypoechoic foci size...
December 23, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29273477/transfusion-requirements-in-cardiac-surgery-iii-trics-iii-study-design-of-a-randomized-controlled-trial
#6
Nadine Shehata, Richard Whitlock, Dean A Fergusson, Kevin E Thorpe, Charlie MacAdams, Hilary P Grocott, Fraser Rubens, Stephen Fremes, Francois Lellouche, Sean Bagshaw, Alistair Royse, Peter M Rosseel, Greg Hare, Etienne De Medicis, Christopher Hudson, Emilie Belley-Cote, Daniel Bainbridge, Blaine Kent, Andrew Shaw, Kelly Byrne, Summer Syed, Colin F Royse, Shay McGuiness, Judith Hall, C David Mazer
OBJECTIVES: To determine if a restrictive transfusion threshold is noninferior to a higher threshold as measured by a composite outcome of mortality and serious morbidity. DESIGN: Transfusion Requirements in Cardiac Surgery (TRICS) III was a multicenter, international, open-label randomized controlled trial of two commonly used transfusion strategies in patients having cardiac surgery using a noninferiority trial design (ClinicalTrials.gov number, NCT02042898). SETTING: Eligible patients were randomized prior to surgery in a 1:1 ratio...
November 3, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29156185/maintenance-of-lost-weight-and-long-term-management-of-obesity
#7
REVIEW
Kevin D Hall, Scott Kahan
Weight loss can be achieved through a variety of modalities, but long-term maintenance of lost weight is much more challenging. Obesity interventions typically result in early weight loss followed by a weight plateau and progressive regain. This review describes current understanding of the biological, behavioral, and environmental factors driving this near-ubiquitous body weight trajectory and the implications for long-term weight management. Treatment of obesity requires ongoing clinical attention and weight maintenance-specific counseling to support sustainable healthful behaviors and positive weight regulation...
January 2018: Medical Clinics of North America
https://www.readbyqxmd.com/read/29146306/real-world-vision-in-age-related-macular-degeneration-patients-treated-with-single-anti-vegf-drug-type-for-1-year-in-the-iris-registry
#8
Prethy Rao, Flora Lum, Kevin Wood, Craig Salman, Bhavya Burugapalli, Rebecca Hall, Sukhminder Singh, David W Parke, George A Williams
PURPOSE: The purpose of this study is to compare real-world visual acuity (VA) in patients with neovascular age-related macular degeneration (nAMD) treated with a single anti-vascular endothelial growth factor (VEGF) drug monotherapy for 1 year from the American Academy of Ophthalmology (AAO) Intelligent Research in Sight (IRIS) Registry. DESIGN: Retrospective, nonrandomized, comparative study. PARTICIPANTS: IRIS Registry patients with nAMD who received bevacizumab, ranibizumab, or aflibercept only for 1 year between 2013-2016...
November 13, 2017: Ophthalmology
https://www.readbyqxmd.com/read/29130845/restrictive-or-liberal-red-cell-transfusion-for-cardiac-surgery
#9
RANDOMIZED CONTROLLED TRIAL
C David Mazer, Richard P Whitlock, Dean A Fergusson, Judith Hall, Emilie Belley-Cote, Katherine Connolly, Boris Khanykin, Alexander J Gregory, Étienne de Médicis, Shay McGuinness, Alistair Royse, François M Carrier, Paul J Young, Juan C Villar, Hilary P Grocott, Manfred D Seeberger, Stephen Fremes, François Lellouche, Summer Syed, Kelly Byrne, Sean M Bagshaw, Nian C Hwang, Chirag Mehta, Thomas W Painter, Colin Royse, Subodh Verma, Gregory M T Hare, Ashley Cohen, Kevin E Thorpe, Peter Jüni, Nadine Shehata
BACKGROUND: The effect of a restrictive versus liberal red-cell transfusion strategy on clinical outcomes in patients undergoing cardiac surgery remains unclear. METHODS: In this multicenter, open-label, noninferiority trial, we randomly assigned 5243 adults undergoing cardiac surgery who had a European System for Cardiac Operative Risk Evaluation (EuroSCORE) I of 6 or more (on a scale from 0 to 47, with higher scores indicating a higher risk of death after cardiac surgery) to a restrictive red-cell transfusion threshold (transfuse if hemoglobin level was <7...
November 30, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29127109/incb040093-is-a-novel-pi3k%C3%AE-inhibitor-for-the-treatment-of-b-cell-lymphoid-malignancies
#10
Niu Shin, Yun-Long Li, Song Mei, Kathy He Wang, Leslie Hall, Kamna Katiyar, Qian Wang, Gengjie Yang, Beth Rumberger, Lynn Leffet, Xin He, Mark Rupar, Kevin Bowman, Margaret Favata, Jun Li, Mike Liu, Yanlong Li, Maryanne Covington, Holly Koblish, Maxim Soloviev, Dana Shuey, Timothy Burn, Sharon Diamond, Jordan Fridman, Andrew Combs, Wenqing Yao, Swamy Yeleswaram, Gregory Hollis, Kris Vaddi, Reid Huber, Robert Newton, Peggy Scherle
PI3Kδ is a critical signaling molecule in B cells and is considered a target for development of therapies against various B cell malignancies. INCB040093 is a novel PI3Kδ small molecule inhibitor and has demonstrated promising efficacy in patients with Hodgkin's lymphoma in clinical studies. Here, we disclose the chemical structure and the preclinical activity of the compound. In biochemical assays, INCB040093 potently inhibits the PI3Kδ kinase, with 74 to >900-fold selectivity against other PI3K family members...
November 10, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29126651/effects-of-noise-exposure-on-young-adults-with-normal-audiograms-ii-behavioral-measures
#11
Garreth Prendergast, Rebecca E Millman, Hannah Guest, Kevin J Munro, Karolina Kluk, Rebecca S Dewey, Deborah A Hall, Michael G Heinz, Christopher J Plack
An estimate of lifetime noise exposure was used as the primary predictor of performance on a range of behavioral tasks: frequency and intensity difference limens, amplitude modulation detection, interaural phase discrimination, the digit triplet speech test, the co-ordinate response speech measure, an auditory localization task, a musical consonance task and a subjective report of hearing ability. One hundred and thirty-eight participants (81 females) aged 18-36 years were tested, with a wide range of self-reported noise exposure...
October 25, 2017: Hearing Research
https://www.readbyqxmd.com/read/29071809/proportional-feedback-control-of-energy-intake-during-obesity-pharmacotherapy
#12
Kevin D Hall, Arjun Sanghvi, Britta Göbel
OBJECTIVE: Obesity pharmacotherapies result in an exponential time course for energy intake whereby large early decreases dissipate over time. This pattern of declining drug efficacy to decrease energy intake results in a weight loss plateau within approximately 1 year. This study aimed to elucidate the physiology underlying the exponential decay of drug effects on energy intake. METHODS: Placebo-subtracted energy intake time courses were examined during long-term obesity pharmacotherapy trials for 14 different drugs or drug combinations within the theoretical framework of a proportional feedback control system regulating human body weight...
October 25, 2017: Obesity
https://www.readbyqxmd.com/read/29030483/rbpj-cbf1-interacts-with-l3mbtl3-mbt1-to-promote-repression-of-notch-signaling-via-histone-demethylase-kdm1a-lsd1
#13
Tao Xu, Sung-Soo Park, Benedetto Daniele Giaimo, Daniel Hall, Francesca Ferrante, Diana M Ho, Kazuya Hori, Lucas Anhezini, Iris Ertl, Marek Bartkuhn, Honglai Zhang, Eléna Milon, Kimberly Ha, Kevin P Conlon, Rork Kuick, Brandon Govindarajoo, Yang Zhang, Yuqing Sun, Yali Dou, Venkatesha Basrur, Kojo Sj Elenitoba-Johnson, Alexey I Nesvizhskii, Julian Ceron, Cheng-Yu Lee, Tilman Borggrefe, Rhett A Kovall, Jean-François Rual
Notch signaling is an evolutionarily conserved signal transduction pathway that is essential for metazoan development. Upon ligand binding, the Notch intracellular domain (NOTCH ICD) translocates into the nucleus and forms a complex with the transcription factor RBPJ (also known as CBF1 or CSL) to activate expression of Notch target genes. In the absence of a Notch signal, RBPJ acts as a transcriptional repressor. Using a proteomic approach, we identified L3MBTL3 (also known as MBT1) as a novel RBPJ interactor...
November 2, 2017: EMBO Journal
https://www.readbyqxmd.com/read/29023806/the-percutaneous-toxicokinetics-of-vx-in-a-damaged-skin-porcine-model-and-the-evaluation-of-woundstat%C3%A2-as-a-topical-decontaminant
#14
Helen Lydon, Charlotte Hall, Hazem Matar, Christopher Dalton, J Kevin Chipman, John S Graham, Robert P Chilcott
This study used a damaged skin, porcine model to evaluate the in vivo efficacy of WoundStat™ for the decontamination of superficial, nerve agent-contaminated wounds. Anaesthetized animals were randomly assigned to either control (n = 7), no decontamination (n = 12) or WoundStat™ (n = 12) treatment groups. Pigs were exposed to a 5× LD50 dose of neat, radiolabelled S-[2-(diisopropylamino)ethyl]-O-ethyl methyl-phosphonothioate (VX; or equivalent volume of sterile saline for the control group) via an area of superficially damaged skin on the ear...
October 10, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28853336/the-percutaneous-absorption-of-soman-in-a-damaged-skin-porcine-model-and-the-evaluation-of-woundstat%C3%A2-as-a-topical-decontaminant
#15
Christopher Dalton, Charlotte Hall, Helen Lydon, John Jenner, J Kevin Chipman, John S Graham, Robert P Chilcott
PURPOSE: The aim of this study was to evaluate a candidate haemostat (WoundStat™), down-selected from previous in vitro studies, for efficacy as a potential skin decontaminant against the chemical warfare agent pinacoyl methylfluorophosphonate (Soman, GD) using an in vivo pig model. MATERIALS AND METHODS: An area of approximately 3 cm(2) was dermatomed from the dorsal ear skin to a nominal depth of 100 µm. A discrete droplet of (14)C-GD (300 µg kg(-1)) was applied directly onto the surface of the damaged skin at the centre of the dosing site...
August 30, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28838362/improving-the-appropriate-use-of-transthoracic-echocardiography-the-echo-wisely-trial
#16
RANDOMIZED CONTROLLED TRIAL
R Sacha Bhatia, Noah M Ivers, X Cindy Yin, Dorothy Myers, Gillian C Nesbitt, Jeremy Edwards, Kibar Yared, Rishi K Wadhera, Justina C Wu, Aaron P Kithcart, Brian M Wong, Mark S Hansen, Adina S Weinerman, Steven Shadowitz, Debra Elman, Michael E Farkouh, Paaladinesh Thavendiranathan, Jacob A Udell, Amer M Johri, Chi-Ming Chow, Judith Hall, Zachary Bouck, Ashley Cohen, Kevin E Thorpe, Harry Rakowski, Michael H Picard, Rory B Weiner
BACKGROUND: Appropriate use criteria (AUC) have defined transthoracic echocardiogram (TTE) indications for which there is a clear lack of benefit as rarely appropriate (rA). OBJECTIVES: This study sought to investigate the impact of an AUC-based educational intervention on outpatient TTE ordering by cardiologists and primary care providers. METHODS: The authors conducted a prospective, investigator-blinded, multicenter, randomized controlled trial of an AUC-based educational intervention aimed at reducing rA outpatient TTEs...
August 29, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28821240/avbd1-nucleotide-polymorphisms-peptide-antimicrobial-activities-and-microbial-colonisation-of-the-broiler-chicken-gut
#17
Kevin Cadwell, Sherko S Niranji, Vanessa L Armstrong, Catherine A Mowbray, Richard Bailey, Kellie A Watson, Judith Hall
BACKGROUND: The importance of poultry as a global source of protein underpins the chicken genome and associated SNP data as key tools in selecting and breeding healthy robust birds with improved disease resistance. SNPs affecting host peptides involved in the innate defences tend to be rare, but three non-synonymous SNPs in the avian β-defensin (AvBD1) gene encoding the variant peptides NYH, SSY and NYY were identified that segregated specifically to three lines of commercial broiler chickens Line X (LX), Line Y(LY) and Line Z...
August 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28814343/stable-inheritance-of-dna-methylation-allows-creation-of-epigenotype-maps-and-the-study-of-epiallele-inheritance-patterns-in-the-absence-of-genetic-variation
#18
Brigitte T Hofmeister, Kevin Lee, Nicholas A Rohr, David W Hall, Robert J Schmitz
BACKGROUND: Differences in DNA methylation can arise as epialleles, which are loci that differ in chromatin state and are inherited over generations. Epialleles offer an additional source of variation that can affect phenotypic diversity beyond changes to nucleotide sequence. Previous research has looked at the rate at which spontaneous epialleles arise but it is currently unknown how they are maintained across generations. RESULTS: We used two Arabidopsis thaliana mutation accumulation (MA) lines and determined that over 99...
August 16, 2017: Genome Biology
https://www.readbyqxmd.com/read/28802046/replication-transcription-conflicts-generate-r-loops-that-orchestrate-bacterial-stress-survival-and-pathogenesis
#19
Kevin S Lang, Ashley N Hall, Christopher N Merrikh, Mark Ragheb, Hannah Tabakh, Alex J Pollock, Joshua J Woodward, Julia E Dreifus, Houra Merrikh
Replication-transcription collisions shape genomes, influence evolution, and promote genetic diseases. Although unclear why, head-on transcription (lagging strand genes) is especially disruptive to replication and promotes genomic instability. Here, we find that head-on collisions promote R-loop formation in Bacillus subtilis. We show that pervasive R-loop formation at head-on collision regions completely blocks replication, elevates mutagenesis, and inhibits gene expression. Accordingly, the activity of the R-loop processing enzyme RNase HIII at collision regions is crucial for stress survival in B...
August 10, 2017: Cell
https://www.readbyqxmd.com/read/28783044/phenotypic-and-pharmacogenetic-evaluation-of-patients-with-thiazide-induced-hyponatremia
#20
James S Ware, Louise V Wain, Sarath K Channavajjhala, Victoria E Jackson, Elizabeth Edwards, Run Lu, Keith Siew, Wenjing Jia, Nick Shrine, Sue Kinnear, Mahli Jalland, Amanda P Henry, Jenny Clayton, Kevin M O'Shaughnessy, Martin D Tobin, Victor L Schuster, Stuart Cook, Ian P Hall, Mark Glover
Thiazide diuretics are among the most widely used treatments for hypertension, but thiazide-induced hyponatremia (TIH), a clinically significant adverse effect, is poorly understood. Here, we have studied the phenotypic and genetic characteristics of patients hospitalized with TIH. In a cohort of 109 TIH patients, those with severe TIH displayed an extended phenotype of intravascular volume expansion, increased free water reabsorption, urinary prostaglandin E2 excretion, and reduced excretion of serum chloride, magnesium, zinc, and antidiuretic hormone...
September 1, 2017: Journal of Clinical Investigation
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