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John Edmunds

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https://www.readbyqxmd.com/read/28910514/pharmacokinetics-of-single-dose-ceftaroline-fosamil-in-children-with-cystic-fibrosis
#1
Jennifer Le, John S Bradley, Sara Hingtgen, Shannon Skochko, Nanette Black, Ronald N Jones, Meerana Lim, Edmund V Capparelli
BACKGROUND: Single-dose pharmacokinetics (PK) and safety of ceftaroline fosamil with population pharmacokinetic/pharmacodynamic (PK/PD) modeling for staphylococcal pneumonia was performed in children with CF. METHODS: Subjects between 6 and 18 years old were evaluated in this phase 1, open-label, single-dose, prospective study using 10 mg/kg (up to 600 mg). Non-compartmental analysis and population-based PK analyses with Monte Carlo simulation (for doses 8-20 mg/kg every 8 h, infused over 1-4 h) were conducted...
September 14, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28895189/-diagnosis-of-a-hiatal-hernia-from-a-ct-coronary-artery-calcium-scan
#2
Edmund Kenneth Kerut, John T Balart
Identification of a hiatal hernia by computed tomography (CT) scanning, and particularly with axial imaging from a coronary artery calcium score exam, is often subjective. There are several CT features that are diagnostic or at least suggestive of a hiatal hernia. As a hiatal hernia may be the etiology of a chest pain syndrome, it is important to be aware of CT findings suggestive of such.
September 12, 2017: Echocardiography
https://www.readbyqxmd.com/read/28830105/participatory-syndromic-surveillance-of-influenza-in-europe
#3
REVIEW
Caroline Guerrisi, Clément Turbelin, Thierry Blanchon, Thomas Hanslik, Isabelle Bonmarin, Daniel Levy-Bruhl, Daniela Perrotta, Daniela Paolotti, Ronald Smallenburg, Carl Koppeschaar, Ana O Franco, Ricardo Mexia, W John Edmunds, Bersabeh Sile, Richard Pebody, Edward van Straten, Sandro Meloni, Yamir Moreno, Jim Duggan, Charlotte Kjelsø, Vittoria Colizza
The growth of digital communication technologies for public health is offering an unconventional means to engage the general public in monitoring community health. Here we present Influenzanet, a participatory system for the syndromic surveillance of influenza-like illness (ILI) in Europe. Through standardized online surveys, the system collects detailed profile information and self-reported symptoms volunteered by participants resident in the Influenzanet countries. Established in 2009, it now includes 10 countries representing more than half of the 28 member states of the European Union population...
December 1, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28792942/hiv-1-neutralizing-antibody-induced-by-simian-adenovirus-and-poxvirus-mva-vectored-bg505-native-like-envelope-trimers
#4
Silvia Capucci, Edmund G Wee, Torben Schiffner, Celia C LaBranche, Nicola Borthwick, Albert Cupo, Jonathan Dodd, Hansi Dean, Quentin Sattentau, David Montefiori, Per J Klasse, Rogier W Sanders, John P Moore, Tomáš Hanke
Rabbits and monkeys immunized with HIV type 1 (HIV-1) native-like BG505 SOSIP.664 (BG505s) glycoprotein trimers are known to induce antibodies that can neutralize the autologous tier-2 virus. Here, we assessed the induction of HIV-1 trimer binding and neutralizing antibody (nAb) titres when BG505s trimers were also delivered by non-replicating simian (chimpanzee) adenovirus and non-replicating poxvirus modified vaccinia virus Ankara (MVA) vaccine vectors. First, we showed that approximately two-thirds and one-third of the trimers secreted from the ChAdOx1...
2017: PloS One
https://www.readbyqxmd.com/read/28771742/experimental-and-modelling-evidence-of-shortening-heat-in-cardiac-muscle
#5
Kenneth Tran, June-Chiew Han, Edmund John Crampin, Andrew James Taberner, Denis Scott Loiselle
KEY POINTS: Heat associated with muscle shortening has been repeatedly demonstrated in skeletal muscle, but its existence in cardiac muscle remains contentious after five decades of study. By iterating between experiments and computational modelling, we show compelling evidence for the existence of shortening heat in cardiac muscle and reveal, mechanistically, the source of this excess heat. Our results clarify a long-standing uncertainty in the field of cardiac muscle energetics. We provide a revised partitioning of cardiac muscle energy expenditure to include this newly revealed thermal component...
August 3, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28732006/drivers-for-rift-valley-fever-emergence-in-mayotte-a-bayesian-modelling-approach
#6
Raphaëlle Métras, Guillaume Fournié, Laure Dommergues, Anton Camacho, Lisa Cavalerie, Philippe Mérot, Matt J Keeling, Catherine Cêtre-Sossah, Eric Cardinale, W John Edmunds
Rift Valley fever (RVF) is a major zoonotic and arboviral hemorrhagic fever. The conditions leading to RVF epidemics are still unclear, and the relative role of climatic and anthropogenic factors may vary between ecosystems. Here, we estimate the most likely scenario that led to RVF emergence on the island of Mayotte, following the 2006-2007 African epidemic. We developed the first mathematical model for RVF that accounts for climate, animal imports and livestock susceptibility, which is fitted to a 12-years dataset...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28727726/a-cross-sectional-seroepidemiological-survey-of-typhoid-fever-in-fiji
#7
Conall H Watson, Stephen Baker, Colleen L Lau, Kitione Rawalai, Mere Taufa, Jerimaia Coriakula, Nga Tran Vu Thieu, Tan Trinh Van, Dung Tran Thi Ngoc, Niel Hens, John H Lowry, Ruklanthi de Alwis, Jorge Cano, Kylie Jenkins, E Kim Mulholland, Eric J Nilles, Mike Kama, W John Edmunds
Fiji, an upper-middle income state in the Pacific Ocean, has experienced an increase in confirmed case notifications of enteric fever caused by Salmonella enterica serovar Typhi (S. Typhi). To characterize the epidemiology of typhoid exposure, we conducted a cross-sectional sero-epidemiological survey measuring IgG against the Vi antigen of S. Typhi to estimate the effect of age, ethnicity, and other variables on seroprevalence. Epidemiologically relevant cut-off titres were established using a mixed model analysis of data from recovering culture-confirmed typhoid cases...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28719059/pancreatic-allograft-thrombosis-suggestion-for-a-ct-grading-system-and-management-algorithm
#8
A Hakeem, J Chen, S Iype, M R Clatworthy, C J E Watson, E M Godfrey, S Upponi, K Saeb-Parsy
Pancreatic allograft thrombosis (PAT) remains the leading cause of nonimmunologic graft failure. Here, we propose a new computed tomography (CT) grading system of PAT to identify risk factors for allograft loss and outline a management algorithm by retrospective review of consecutive pancreatic transplantations between 2009 and 2014. Triple-phase CT scans were graded independently by 2 radiologists as grade 0, no thrombosis; grade 1, peripheral thrombosis; grade 2, intermediate non-occlusive thrombosis; and grade 3, central occlusive thrombosis...
July 18, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28698190/predicted-atherosclerotic-cardiovascular-disease-risk-and-masked-hypertension-among-blacks-in-the-jackson-heart-study
#9
D Edmund Anstey, John N Booth, Marwah Abdalla, Tanya M Spruill, Yuan-I Min, Paul Muntner, Daichi Shimbo
BACKGROUND: Among individuals without hypertension based on clinic blood pressure (BP), it is unclear who should be screened for masked hypertension, defined as having hypertension based on out-of-clinic BP. We hypothesized that individuals with a higher 10-year predicted atherosclerotic cardiovascular disease (ASCVD) risk, calculated using the pooled cohort risk equations, have a higher prevalence of masked hypertension. METHODS AND RESULTS: We analyzed data from the Jackson Heart Study-a population-based cohort of blacks-to determine the association of predicted ASCVD risk with masked hypertension...
July 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28681600/on-chip-terahertz-frequency-measurements-of-liquids
#10
Matthew Swithenbank, Andrew D Burnett, Christopher Russell, Lianhe H Li, Alexander Giles Davies, Edmund H Linfield, John E Cunningham, Christopher D Wood
Terahertz-frequency-range measurements can offer potential insight into the picosecond dynamics, and therefore function, of many chemical systems. There is a need to develop technologies capable of performing such measurements in aqueous and polar environments, particularly when it is necessary to maintain the full functionality of biological samples. In this study, we present a proof-of-concept technology comprising an on-chip planar Goubau line, integrated with a microfluidic channel, which is capable of low-loss, terahertz-frequency-range spectroscopic measurements of liquids...
July 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28676279/projection-resolved-optical-coherence-tomography-angiography-of-macular-retinal-circulation-in-glaucoma
#11
Hana L Takusagawa, Liang Liu, Kelly N Ma, Yali Jia, Simon S Gao, Miao Zhang, Beth Edmunds, Mansi Parikh, Shandiz Tehrani, John C Morrison, David Huang
PURPOSE: To detect macular perfusion defects in glaucoma using projection-resolved optical coherence tomography (OCT) angiography. DESIGN: Prospective observation study. PARTICIPANTS: A total of 30 perimetric glaucoma and 30 age-matched normal participants were included. METHODS: One eye of each participant was imaged using 6×6-mm macular OCT angiography (OCTA) scan pattern by 70-kHz 840-nm spectral-domain OCT. Flow signal was calculated by the split-spectrum amplitude-decorrelation angiography algorithm...
July 1, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28671689/reconstruction-of-the-mouse-extrahepatic-biliary-tree-using-primary-human-extrahepatic-cholangiocyte-organoids
#12
Fotios Sampaziotis, Alexander W Justin, Olivia C Tysoe, Stephen Sawiak, Edmund M Godfrey, Sara S Upponi, Richard L Gieseck, Miguel Cardoso de Brito, Natalie Lie Berntsen, María J Gómez-Vázquez, Daniel Ortmann, Loukia Yiangou, Alexander Ross, Johannes Bargehr, Alessandro Bertero, Mariëlle C F Zonneveld, Marianne T Pedersen, Matthias Pawlowski, Laura Valestrand, Pedro Madrigal, Nikitas Georgakopoulos, Negar Pirmadjid, Gregor M Skeldon, John Casey, Wenmiao Shu, Paulina M Materek, Kirsten E Snijders, Stephanie E Brown, Casey A Rimland, Ingrid Simonic, Susan E Davies, Kim B Jensen, Matthias Zilbauer, William T H Gelson, Graeme J Alexander, Sanjay Sinha, Nicholas R F Hannan, Thomas A Wynn, Tom H Karlsen, Espen Melum, Athina E Markaki, Kourosh Saeb-Parsy, Ludovic Vallier
The treatment of common bile duct (CBD) disorders, such as biliary atresia or ischemic strictures, is restricted by the lack of biliary tissue from healthy donors suitable for surgical reconstruction. Here we report a new method for the isolation and propagation of human cholangiocytes from the extrahepatic biliary tree in the form of extrahepatic cholangiocyte organoids (ECOs) for regenerative medicine applications. The resulting ECOs closely resemble primary cholangiocytes in terms of their transcriptomic profile and functional properties...
August 2017: Nature Medicine
https://www.readbyqxmd.com/read/28654954/bioequivalence-between-generic-and-branded-lamotrigine-in-people-with-epilepsy-the-equigen-randomized-clinical-trial
#13
RANDOMIZED CONTROLLED TRIAL
Michel Berg, Timothy E Welty, Barry E Gidal, Francisco J Diaz, Ron Krebill, Jerzy P Szaflarski, Barbara A Dworetzky, John R Pollard, Edmund J Elder, Wenlei Jiang, Xiaohui Jiang, Regina D Switzer, Michael D Privitera
Importance: Switching between generic antiepileptic drugs is a highly debated issue that affects both clinical care and overall health care costs. Objective: To evaluate the single-dose pharmacokinetic bioequivalence of 3 (1 branded and 2 generic drugs) on-market, immediate-release lamotrigine drug products. Design, Setting, and Participants: The Equivalence Among Antiepileptic Drug Generic and Brand Products in People With Epilepsy (EQUIGEN) single-dose study is a crossover, prospective, sequence-randomized, replicate pharmacokinetic study conducted at 5 US academic epilepsy centers...
August 1, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28649474/using-high-throughput-sequencing-of-its2-to-describe-symbiodinium-metacommunities-in-st-john-us-virgin-islands
#14
Ross Cunning, Ruth D Gates, Peter J Edmunds
Symbiotic microalgae (Symbiodinium spp.) strongly influence the performance and stress-tolerance of their coral hosts, making the analysis of Symbiodinium communities in corals (and metacommunities on reefs) advantageous for many aspects of coral reef research. High-throughput sequencing of ITS2 nrDNA offers unprecedented scale in describing these communities, yet high intragenomic variability at this locus complicates the resolution of biologically meaningful diversity. Here, we demonstrate that generating operational taxonomic units by clustering ITS2 sequences at 97% similarity within, but not across, samples collapses sequence diversity that is more likely to be intragenomic, while preserving diversity that is more likely interspecific...
2017: PeerJ
https://www.readbyqxmd.com/read/28621634/the-utility-of-screening-colonoscopy-during-kidney-transplant-evaluation
#15
Yu Zheng, Kevin V Chaung, Paul J Park, Joshua J Augustine, Nagaraju Sarabu, James A Schulak, Edmund Q Sanchez, Vanessa R Humphreville, John B Ammori, Kenneth J Woodside
OBJECTIVES: Transplant centers often recommend, but not necessarily require, screening colonoscopies for people over 50 years of age in accordance with the US Preventative Services Task Force guidelines for the general population. We sought to identify risk factors affecting colonoscopy results in renal failure patients undergoing kidney transplant evaluation. MATERIALS AND METHODS: We retrospectively examined patients undergoing kidney transplant evaluation from 2009 to 2012 (n = 469 patients)...
June 16, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28601491/a-validation-of-the-nottingham-clavicle-score-a-clavicle-acromioclavicular-joint-and-sternoclavicular-joint-specific-patient-reported-outcome-measure
#16
Edmund R Charles, Vinod Kumar, James Blacknall, Kimberley Edwards, John M Geoghegan, Paul A Manning, W Angus Wallace
BACKGROUND: Patients with acromioclavicular joint (ACJ) and sternoclavicular joint (SCJ) injuries and with clavicle fractures are typically younger and more active than those with other shoulder pathologies. We developed the Nottingham Clavicle Score (NCS) specifically for this group of patients to improve sensitivity for assessing the outcomes of treatment of these conditions compared with the more commonly used Constant Score (CS) and Oxford Shoulder Score (OSS). MATERIALS AND METHODS: This was a cohort study in which the preoperative and 6-month postoperative NCS evaluations of outcome in 90 patients were compared with the CS, OSS, Imatani Score (IS), and the EQ-5D scores...
June 7, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28592303/assessing-the-efficiency-of-catch-up-campaigns-for-the-introduction-of-pneumococcal-conjugate-vaccine-a-modelling-study-based-on-data-from-pcv10-introduction-in-kilifi-kenya
#17
Stefan Flasche, John Ojal, Olivier Le Polain de Waroux, Mark Otiende, Katherine L O'Brien, Moses Kiti, D James Nokes, W John Edmunds, J Anthony G Scott
BACKGROUND: The World Health Organisation recommends the use of catch-up campaigns as part of the introduction of pneumococcal conjugate vaccines (PCVs) to accelerate herd protection and hence PCV impact. The value of a catch-up campaign is a trade-off between the costs of vaccinating additional age groups and the benefit of additional direct and indirect protection. There is a paucity of observational data, particularly from low- and middle-income countries, to quantify the optimal breadth of such catch-up campaigns...
June 7, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28555884/intraspecific-variation-in-growth-rate-is-a-poor-predictor-of-fitness-for-reef-corals
#18
Peter J Edmunds
Genetic variation underlying differences in organism performance is subject to natural selection, and organisms with high values of genetically determined phenotypic measures of fitness should perform better than those that do not. Using small scleractinian corals (i.e., ≤40-mm diameter), this principle was tested with 20 yr of census data from St. John, US Virgin Islands. Using growth rate (change in diameter) as a measure of fitness, growth in one year was tested for association with growth and survivorship in the following two years, and this process was repeated over 20 yr using a 3-yr sliding window...
August 2017: Ecology
https://www.readbyqxmd.com/read/28552739/a-left-thoracoabdominal-approach-for-transdiaphragmatic-fistulas-following-bariatric-surgery
#19
John S Riley, Edmund K Bartlett, Daniel T Dempsey
No abstract text is available yet for this article.
August 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28545152/short-term-changes-in-the-health-state-of-children-with-group-b-meningococcal-disease-a-prospective-national-cohort-study
#20
Iain T R Kennedy, Albert J van Hoek, Sonia Ribeiro, Hannah Christensen, W John Edmunds, Mary E Ramsay, Shamez N Ladhani
OBJECTIVES: The short-term impact of childhood invasive meningococcal disease (IMD) on quality-of-life (QoL) remains largely unquantified. This study aimed to quantify QoL loss at the point when illness was at its worst, and assess health state recovery in the months following illness. METHODS: Parents of children aged <16 years with laboratory-confirmed meningococcal group B (MenB) disease in England, with onset dates from November 2012 to May 2013 were asked to complete a short questionnaire, which included EQ-5DY, a version of EQ-5D for 8-15 year-olds...
2017: PloS One
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