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John-Michael Gamble

Waseem Abu-Ashour, Laurie K Twells, James E Valcour, John-Michael Gamble
BACKGROUND: People with diabetes may be at higher risk for acquiring infections through both glucose-dependent and biologic pathways independent of glycemic control. Our aim was to estimate the association between diabetes and infections occurring in primary care. METHODS: Using the Newfoundland and Labrador Sentinel of the Canadian Primary Care Sentinel Surveillance Network, patients with diabetes ≥18 years between 1 January 2008 and 31 March 2013 were included with at least 1-year of follow-up...
February 5, 2018: BMC Infectious Diseases
John-Michael Gamble, Jennifer R Donnan, Eugene Chibrikov, Laurie K Twells, William K Midodzi, Sumit R Majumdar
AIMS: Mixed evidence exists for the effect of incretin-based therapies on osteoporosis in type-2 diabetes. Therefore, we conducted a cohort study to determine the association between dipeptidyl peptidase-4 (DPP-4) inhibitors and common osteoporotic "fragility fractures" (upper extremity, hip, spine). METHODS: The UK-based Clinical Practice Research Datalink was used to identify adults without prior fractures receiving a new anti-diabetic drug or a new type-2 diabetes diagnosis between 2007 and 2016...
December 16, 2017: Diabetes Research and Clinical Practice
Chris J Ellis, Greg D Gamble, Michael J A Williams, Phil Matsis, John M Elliott, Gerry Devlin, Stewart Mann, John K French, Harvey D White
BACKGROUND: To describe the long-term mortality of a complete national cohort of acute coronary syndrome (ACS) patients enrolled in 2002, to compare this with a national age, sex and Māori ethnicity matched population, and to assess the influence of baseline factors on the 12-year mortality. METHODS: We reviewed 721 patients with a discharge diagnosis of an ACS who were enrolled in the first New Zealand ACS audit group cohort over 14days in May 2002. We matched the cohort to the national mortality database using each patient's unique national identity number...
November 7, 2017: Heart, Lung & Circulation
Patrick Harvey-Collard, N Tobias Jacobson, Martin Rudolph, Jason Dominguez, Gregory A Ten Eyck, Joel R Wendt, Tammy Pluym, John King Gamble, Michael P Lilly, Michel Pioro-Ladrière, Malcolm S Carroll
Individual donors in silicon chips are used as quantum bits with extremely low error rates. However, physical realizations have been limited to one donor because their atomic size causes fabrication challenges. Quantum dot qubits, in contrast, are highly adjustable using electrical gate voltages. This adjustability could be leveraged to deterministically couple donors to quantum dots in arrays of qubits. In this work, we demonstrate the coherent interaction of a31 P donor electron with the electron of a metal-oxide-semiconductor quantum dot...
October 18, 2017: Nature Communications
Kate Barasz, Leslie K John, Elizabeth A Keenan, Michael I Norton
Pseudo-set framing-arbitrarily grouping items or tasks together as part of an apparent "set"-motivates people to reach perceived completion points. Pseudo-set framing changes gambling choices (Study 1), effort (Studies 2 and 3), giving behavior (Field Data and Study 4), and purchase decisions (Study 5). These effects persist in the absence of any reward, when a cost must be incurred, and after participants are explicitly informed of the arbitrariness of the set. Drawing on Gestalt psychology, we develop a conceptual account that predicts what will-and will not-act as a pseudo-set, and defines the psychological process through which these pseudo-sets affect behavior: over and above typical reference points, pseudo-set framing alters perceptions of (in)completeness, making intermediate progress seem less complete...
October 2017: Journal of Experimental Psychology. General
Kanika Anand, Ingrid Sketris, Ying Zhang, Adrian Levy, John-Michael Gamble
INTRODUCTION: Between 2010 and 2012, the US Food and Drug Administration and Health Canada issued warnings to healthcare professionals emphasizing the increased risk of muscle problems with high-dose simvastatin. OBJECTIVE: To measure the impact of the Health Canada safety warning regarding dose-dependent adverse effects of simvastatin on prescribing of low, medium, and high doses of simvastatin. METHODS: An interrupted time-series design was used to evaluate the impact of a Health Canada safety warning on 7 November 2012 regarding the safety of high-dose simvastatin...
December 2017: Drugs—Real World Outcomes
John B Saunders, Wei Hao, Jiang Long, Daniel L King, Karl Mann, Mira Fauth-Bühler, Hans-Jürgen Rumpf, Henrietta Bowden-Jones, Afarin Rahimi-Movaghar, Thomas Chung, Elda Chan, Norharlina Bahar, Sophia Achab, Hae Kook Lee, Marc Potenza, Nancy Petry, Daniel Spritzer, Atul Ambekar, Jeffrey Derevensky, Mark D Griffiths, Halley M Pontes, Daria Kuss, Susumu Higuchi, Satoko Mihara, Sawitri Assangangkornchai, Manoj Sharma, Ahmad El Kashef, Patrick Ip, Michael Farrell, Emanuele Scafato, Natacha Carragher, Vladimir Poznyak
Online gaming has greatly increased in popularity in recent years, and with this has come a multiplicity of problems due to excessive involvement in gaming. Gaming disorder, both online and offline, has been defined for the first time in the draft of 11th revision of the International Classification of Diseases (ICD-11). National surveys have shown prevalence rates of gaming disorder/addiction of 10%-15% among young people in several Asian countries and of 1%-10% in their counterparts in some Western countries...
September 1, 2017: Journal of Behavioral Addictions
Waseem Abu-Ashour, Laurie Twells, James Valcour, Amy Randell, Jennifer Donnan, Patricia Howse, John-Michael Gamble
OBJECTIVE: To quantify the association between diabetes and the risk of incident infections by conducting a systematic review and meta-analysis. RESEARCH DESIGN AND METHODS: Two reviewers independently screened articles identified from PubMed, EMBASE, Cochrane Library, IPA, and Web of Science databases. Cohort studies (CS) or case-control studies (CCS) evaluating the incidence of infections in adults with diabetes were included. Infections were classified as: skin and soft tissue, respiratory, blood, genitourinary, head and neck, gastrointestinal, bone, viral, and non-specified infections...
2017: BMJ Open Diabetes Research & Care
John A Flanders, Michelle E Thompson, Mitzi J Palazzolo, Michael M Garner, Matthew Reed, Donna M Ialeggio, Matti Kiupel, William H Westra, Kathryn C Gamble
Squamous cell carcinomas (SCCs) are common oronasal tumors in nonhuman primates. In this study, 11 cases of oronasal SCC in François' langurs ( Trachypithecus francoisi ) are described. Five initial cases were discovered on review of the North American François' langur studbook, with a potential familial pattern observed. The studbook was used to identify related individuals, and records were requested for review. Six additional cases were documented, and samples from all cases were submitted for microscopic review, as well as polymerase chain reaction (PCR), immunohistochemistry (IHC), and in situ hybridization (ISH), for generic papillomaviruses and PCR for herpesviruses because either virus may cause SCC in humans and other nonhuman primates...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
John B Saunders, Louisa Degenhardt, Michael Farrell
No abstract text is available yet for this article.
June 2017: Lancet Psychiatry
John M Elliott, Tom Kai Ming Wang, Greg D Gamble, Michael Ja Williams, Philip Matsis, Richard Troughton, Andrew Hamer, Gerry Devlin, Stewart Mann, Mark Richards, John K French, Harvey D White, Chris J Ellis
AIMS: To audit the management of ST-segment elevation myocardial infarction (STEMI) patients admitted to a New Zealand Hospital over three 14-day periods to review their number, characteristics, management and outcome changes over a decade. METHODS: The acute coronary syndrome (ACS) audits were conducted over 14 days in May of 2002, 2007 and 2012 at New Zealand Hospitals admitting patients with a suspected or definite ACS. Longitudinal analyses of the STEMI subgroup are reported...
April 7, 2017: New Zealand Medical Journal
Young Seok Ju, Inigo Martincorena, Moritz Gerstung, Mia Petljak, Ludmil B Alexandrov, Raheleh Rahbari, David C Wedge, Helen R Davies, Manasa Ramakrishna, Anthony Fullam, Sancha Martin, Christopher Alder, Nikita Patel, Steve Gamble, Sarah O'Meara, Dilip D Giri, Torril Sauer, Sarah E Pinder, Colin A Purdie, Åke Borg, Henk Stunnenberg, Marc van de Vijver, Benita K T Tan, Carlos Caldas, Andrew Tutt, Naoto T Ueno, Laura J van 't Veer, John W M Martens, Christos Sotiriou, Stian Knappskog, Paul N Span, Sunil R Lakhani, Jórunn Erla Eyfjörd, Anne-Lise Børresen-Dale, Andrea Richardson, Alastair M Thompson, Alain Viari, Matthew E Hurles, Serena Nik-Zainal, Peter J Campbell, Michael R Stratton
Somatic cells acquire mutations throughout the course of an individual's life. Mutations occurring early in embryogenesis are often present in a substantial proportion of, but not all, cells in postnatal humans and thus have particular characteristics and effects. Depending on their location in the genome and the proportion of cells they are present in, these mosaic mutations can cause a wide range of genetic disease syndromes and predispose carriers to cancer. They have a high chance of being transmitted to offspring as de novo germline mutations and, in principle, can provide insights into early human embryonic cell lineages and their contributions to adult tissues...
March 30, 2017: Nature
John-Michael Gamble, Eugene Chibrikov, Laurie K Twells, William K Midodzi, Stephanie W Young, Don MacDonald, Sumit R Majumdar
BACKGROUND: Existing studies have shown conflicting evidence regarding the safety of exogenous insulin therapy in patients with type 2 diabetes. In particular, observational studies have reported an increased risk of death and cardiovascular disease among users of higher versus lower doses of insulin. We aimed to quantify the association between increasing dosage of insulin exposure and death and cardiovascular events, while taking into account time-dependent confounding and mediation that might have biased previous studies...
January 2017: Lancet Diabetes & Endocrinology
Erin Davis, Carlo Marra, John-Michael Gamble, Jamie Farrell, Joe Lockyer, J Mark FitzGerald, Waseem Abu-Ashour, Charlie Gillis, John Hawboldt
BACKGROUND: Patients with chronic obstructive pulmonary disease (COPD) are often nonadherent with medications and have poor inhaler technique. Community pharmacists can help to improve health-related quality of life and overall outcomes in patients with COPD. We aim to measure the effectiveness of a systematic, pharmacist-driven intervention on patients with diagnosed COPD. METHODS/DESIGN: This pragmatic, parallel-group, cluster randomized controlled trial is designed to determine the effectiveness of a multifactorial, pharmacist-led intervention on medication adherence, inhaler technique, health-related quality of life, health care resource utilization including COPD exacerbations, and use of medications...
October 13, 2016: Trials
Meshari Alwashmi, John Hawboldt, Erin Davis, Carlo Marra, John-Michael Gamble, Waseem Abu Ashour
BACKGROUND: The prevalence and mortality rates of chronic obstructive pulmonary disease (COPD) are increasing worldwide. Therefore, COPD remains a major public health problem. There is a growing interest in the use of smartphone technology for health promotion and disease management interventions. However, the effectiveness of smartphones in reducing the number of patients having a COPD exacerbation is poorly understood. OBJECTIVE: To summarize and quantify the association between smartphone interventions and COPD exacerbations through a comprehensive systematic review and meta-analysis...
September 1, 2016: JMIR MHealth and UHealth
Patricia M Howse, Lyudmila N Chibrikova, Laurie K Twells, Brendan J Barrett, John-Michael Gamble
BACKGROUND: The pharmacokinetics and pharmacodynamics of antidiabetic therapies for patients with type 2 diabetes are often altered in the context of chronic kidney disease (CKD). STUDY DESIGN: Systematic review and meta-analysis. SETTING & POPULATION: Patients with type 2 diabetes and CKD. SELECTION CRITERIA FOR STUDIES: 2 reviewers independently screened studies identified through bibliographic databases (Cochrane Library, PubMed, Embase, International Pharmaceutical Abstracts), clinical trial registries, and references from pertinent articles and clinical practice guidelines...
November 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
Michael McGillion, Jennifer Yost, Andrew Turner, Duane Bender, Ted Scott, Sandra Carroll, Paul Ritvo, Elizabeth Peter, Andre Lamy, Gill Furze, Kirsten Krull, Valerie Dunlop, Amber Good, Nazari Dvirnik, Debbie Bedini, Frank Naus, Shirley Pettit, Shaunattonie Henry, Christine Probst, Joseph Mills, Elaine Gossage, Irene Travale, Janine Duquette, Christy Taberner, Sanjeev Bhavnani, James S Khan, David Cowan, Eric Romeril, John Lee, Tracey Colella, Manon Choinière, Jason Busse, Joel Katz, J Charles Victor, Jeffrey Hoch, Wanrudee Isaranuwatchai, Sharon Kaasalainen, Salima Ladak, Sheila O'Keefe-McCarthy, Monica Parry, Daniel I Sessler, Michael Stacey, Bonnie Stevens, Robyn Stremler, Lehana Thabane, Judy Watt-Watson, Richard Whitlock, Joy C MacDermid, Marit Leegaard, Robert McKelvie, Michael Hillmer, Lynn Cooper, Gavin Arthur, Krista Sider, Susan Oliver, Karen Boyajian, Mark Farrow, Chris Lawton, Darryl Gamble, Jake Walsh, Mark Field, Sandra LeFort, Wendy Clyne, Maria Ricupero, Laurie Poole, Karsten Russell-Wood, Michael Weber, Jolene McNeil, Robyn Alpert, Sarah Sharpe, Sue Bhella, David Mohajer, Sem Ponnambalam, Naeem Lakhani, Rabia Khan, Peter Liu, P J Devereaux
BACKGROUND: Tens of thousands of cardiac and vascular surgeries (CaVS) are performed on seniors in Canada and the United Kingdom each year to improve survival, relieve disease symptoms, and improve health-related quality of life (HRQL). However, chronic postsurgical pain (CPSP), undetected or delayed detection of hemodynamic compromise, complications, and related poor functional status are major problems for substantial numbers of patients during the recovery process. To tackle this problem, we aim to refine and test the effectiveness of an eHealth-enabled service delivery intervention, TecHnology-Enabled remote monitoring and Self-MAnagemenT-VIsion for patient EmpoWerment following Cardiac and VasculaR surgery (THE SMArTVIEW, CoVeRed), which combines remote monitoring, education, and self-management training to optimize recovery outcomes and experience of seniors undergoing CaVS in Canada and the United Kingdom...
August 1, 2016: JMIR Research Protocols
Michael Amlung, Lana Vedelago, John Acker, Iris Balodis, James MacKillop
AIMS: To synthesize continuous associations between delayed reward discounting (DRD) and both addiction severity and quantity-frequency (QF); to examine moderators of these relationships; and to investigate publication bias. METHODS: Meta-analysis of published studies examining continuous associations between DRD and addictive behaviors. Published, peer-reviewed studies on addictive behaviors (alcohol, tobacco, cannabis, stimulants, opiates and gambling) were identified via PubMed, MEDLINE and PsycInfo...
January 2017: Addiction
John-Michael Gamble, Jamie M Thomas, Laurie K Twells, William K Midodzi, Sumit R Majumdar
There is limited comparative effectiveness evidence to guide approaches to managing diabetes in individuals failing metformin monotherapy. Our aim was to compare the incidence of all-cause mortality and major adverse cardiovascular events (MACEs) among new metformin monotherapy users initiating a dipeptidyl-peptidase-4 inhibitor (DPP4i), glucagon-like peptide-1 receptor agonist (GLP-1RA), sulfonylurea (SU), thiazolidinedione, or insulin.We conducted a cohort study using the UK-based Clinical Practice Research Datalink...
June 2016: Medicine (Baltimore)
Michael O Rivett, Mark O Cuthbert, Richard Gamble, Lucy E Connon, Andrew Pearson, Martin G Shepley, John Davis
Dynamic impact to the water environment of deicing salt application at a major highway (motorway) interchange in the UK is quantitatively evaluated for two recent severe UK winters. The contaminant transport pathway studied allowed controls on dynamic highway runoff and storm-sewer discharge to a receiving stream and its subsequent leakage to an underlying sandstone aquifer, including possible contribution to long-term chloride increases in supply wells, to be evaluated. Logged stream electrical-conductivity (EC) to estimate chloride concentrations, stream flow, climate and motorway salt application data were used to assess salt fate...
September 15, 2016: Science of the Total Environment
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