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https://www.readbyqxmd.com/read/29928296/genomewide-evidence-of-environmentally-mediated-secondary-contact-of-european-green-crab-carcinus-maenas-lineages-in-eastern-north-america
#1
Nicholas W Jeffery, Ian R Bradbury, Ryan R E Stanley, Brendan F Wringe, Mallory Van Wyngaarden, J Ben Lowen, Cynthia H McKenzie, Kyle Matheson, Philip S Sargent, Claudio DiBacco
Genetic-environment associations are increasingly revealed through population genomic data and can occur through a number of processes, including secondary contact, divergent natural selection, or isolation by distance. Here, we investigate the influence of the environment, including seasonal temperature and salinity, on the population structure of the invasive European green crab ( Carcinus maenas ) in eastern North America. Green crab populations in eastern North America are associated with two independent invasions, previously shown to consist of distinct northern and southern ecotypes, with a contact zone in southern Nova Scotia, Canada...
July 2018: Evolutionary Applications
https://www.readbyqxmd.com/read/29908735/assessing-the-utility-of-dissolved-organic-matter-photoreactivity-as-a-predictor-of-in-situ-methylmercury-concentration
#2
Sara J Klapstein, Susan E Ziegler, David A Risk, Nelson J O'Driscoll
Methylmercury (MeHg) bioaccumulation is a growing concern in ecosystems worldwide. The absorption of solar radiation by dissolved organic matter (DOM) and other photoreactive ligands can convert MeHg into less toxic forms of mercury through photodemethylation. In this study, spectral changes and photoreactivity of DOM were measured to assess the potential to control photoreactions and predict in situ MeHg concentration. Water samples collected from a series of lakes in southwestern Nova Scotia in June, August, and September were exposed to controlled ultraviolet-A (UV-A) radiation for up to 24hr...
June 2018: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/29908734/mercury-photoreduction-and-photooxidation-in-lakes-effects-of-filtration-and-dissolved-organic-carbon-concentration
#3
Nelson J O'Driscoll, Emma Vost, Erin Mann, Sara Klapstein, Robert Tordon, Matthew Lukeman
Mercury is a globally distributed, environmental contaminant. Quantifying the retention and loss of mercury is integral for predicting mercury-sensitive ecosystems. There is little information on how dissolved organic carbon (DOC) concentrations and particulates affect mercury photoreaction kinetics in freshwater lakes. To address this knowledge gap, samples were collected from ten lakes in Kejimkujik National Park, Nova Scotia (DOC: 2.6-15.4mg/L). Filtered (0.2μm) and unfiltered samples were analysed for gross photoreduction, gross photooxidation, and net reduction rates of mercury using pseudo first-order curves...
June 2018: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/29898682/patient-care-activities-by-community-pharmacists-in-a-capitation-funding-model-mental-health-and-addictions-program
#4
Andrea L Murphy, David M Gardner, Lisa M Jacobs
BACKGROUND: Community pharmacists are autonomous, regulated health care professionals located in urban and rural communities in Canada. The accessibility, knowledge, and skills of community pharmacists can be leveraged to increase mental illness and addictions care in communities. METHODS: The Bloom Program was designed, developed, and implemented based on the Behaviour Change Wheel and a program of research in community pharmacy mental healthcare capacity building...
June 14, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29898667/using-the-collaboraktion-framework-to-report-on-primary-care-practice-recruitment-and-data-collection-costs-and-successes-in-a-cross-sectional-practice-based-survey-in-british-columbia-ontario-and-nova-scotia-canada
#5
Sabrina T Wong, William Hogg, Fred Burge, Sharon Johnston, Ilisha French, Stephanie Blackman
BACKGROUND: Across Canada and internationally we have poor infrastructure to regularly collect survey data from primary care practices to supplement data from chart audits and physician billings. The purpose of this work is to: 1) examine the variable costs for carrying out primary care practice-based surveys and 2) share lessons learned about the level of engagement required for recruitment of practices in primary care. METHODS: This work was part of a larger study, TRANSFORMATION that collected data from three provincial study sites in Canada...
June 13, 2018: BMC Family Practice
https://www.readbyqxmd.com/read/29895297/improving-pathways-to-primary-health-care-among-lgbtq-populations-and-health-care-providers-key-findings-from-nova-scotia-canada
#6
Jacqueline Gahagan, Montse Subirana-Malaret
BACKGROUND: This study explores the perceived barriers to primary health care as identified among a sample of Lesbian, Gay, Bisexual, Transgender, and Queer (LGBTQ) identified individuals and health care providers in Nova Scotia, Canada. These findings, based on a province-wide anonymous online survey, suggest that additional efforts are needed to improve pathways to primary health among LGBTQ populations and in deepening our understanding of how to advance the unique primary health needs of these populations...
June 13, 2018: International Journal for Equity in Health
https://www.readbyqxmd.com/read/29892368/a-primitive-actinopterygian-braincase-from-the-tournaisian-of-nova-scotia
#7
Conrad D Wilson, Jason D Pardo, Jason S Anderson
The vertebrate fossil record of the earliest Carboniferous is notoriously poorly sampled, obscuring a critical interval in vertebrate evolution and diversity. Recent studies of diversity across the Devonian-Carboniferous boundary have proposed a vertebrate mass extinction at the end-Devonian, and recent phylogenies suggest that the origin of the actinopterygian crown may have occurred in the earliest Carboniferous, as part of a broader recovery fauna. However, the data necessary to test this are limited. Here, we describe a partial actinopterygian skull, including diagnostic elements of the posterior braincase, from the Tournaisian Horton Bluff Formation of Blue Beach, Nova Scotia...
May 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29885790/impact-of-detection-method-and-age-on-survival-outcomes-in-triple-negative-breast-cancer-a-population-based-cohort-analysis
#8
Daniel Rayson, Jennifer I Payne, James C R Michael, Kaitlyn M Tsuruda, Mohamed Abdolell, Penny J Barnes
BACKGROUND: Most investigations have compared triple-negative breast cancer (TNBC) to non-TNBC to elucidate clinical or epidemiologic differences between subtypes. We examined a contemporary cohort of patients with primary TNBC by detection and age at diagnosis within a population-based breast screening program to examine survival outcomes. PATIENTS AND METHODS: All women with a diagnosis of primary TNBC between January 1, 2005, and December 31, 2012, in Nova Scotia, Canada, were included...
April 28, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29807323/optimizing-primary-care-management-of-atrial-fibrillation-the-rationale-and-methods-of-the-integrated-management-program-advancing-community-treatment-of-atrial-fibrillation-impact-af-study
#9
Jafna L Cox, Ratika Parkash, Syed Sr Abidi, Lehana Thabane, Feng Xie, James MacKillop, Samina R Abidi, Antonio Ciaccia, Shurjeel H Choudhri, A Abusharekh, Joanna Nemis-White
The Integrated Management Program Advancing Community Treatment of Atrial Fibrillation (IMPACT-AF) is an investigator designed, prospective, randomized, un-blinded, cluster design clinical trial, conducted in the primary care setting of Nova Scotia, Canada. Its aim is to evaluate whether an electronic Clinical Decision Support System (CDSS) designed to assist both practitioners and patients with evidence-based management strategies for Atrial Fibrillation (AF) can improve process of care and outcomes in a cost-efficient manner as compared to usual AF care...
April 7, 2018: American Heart Journal
https://www.readbyqxmd.com/read/29806814/risk-factors-for-infection-revision-death-blood-transfusion-and-longer-hospital-stay-3-months-and-1-year-after-primary-total-hip-or-knee-arthroplasty
#10
Chanseok Rhee, Lynn Lethbridge, Glen Richardson, Michael Dunbar
BACKGROUND: Total joint replacement (TJR) is increasingly performed in older patients with more comorbidities, who are considered at higher risk for postoperative complications. We aimed to identify and calculate the odds ratio of the risk factors for infection, revision and death 3 months and 1 year after TJR as well as for postoperative blood transfusion and longer hospital stay. METHODS: We analyzed all primary total hip arthroplasty (THA) and total knee arthroplasty (TKA) cases in Nova Scotia between Apr...
June 2018: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/29799612/responding-to-a-medical-crisis-lessons-from-the-halifax-disaster-100-years-ago
#11
Emily E Zona, Alina J Morris, Susan M Briggs, Mark A Rockoff
One hundred years ago, a massive explosion occurred in the harbor of Halifax, Nova Scotia, destroying the city and killing more than 2,000 and injuring more than 9,000. It was the worst manmade explosion the world had ever seen, not exceeded until the atomic bomb blast over Hiroshima in 1945. An urgent appeal for assistance came from the survivors, and many volunteers responded. This report describes the prompt and remarkable medical relief effort of the citizens of Massachusetts to help their Canadian neighbors...
January 2018: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/29798739/the-fountain-of-health-effective-health-promotion-knowledge-transfer-in-individual-primary-care-and-group-community-based-formats
#12
Amy Gough, Beverley Cassidy, Kiran Rabheru, David Conn, Donaldo D Canales, Keri-Leigh Cassidy
ABSTRACTBackground:The Fountain of Health (FoH) initiative is a knowledge transfer (KT) project on the science of brain health and resilience promotion, in alignment with positive psychiatry. OBJECTIVES: Assess the effectiveness of FoH KT delivered in individual and group-based formats. DESIGN: Pre- and post-intervention quality assurance survey of FoH KT. SETTING: Interventions occurred in Nova Scotia, Canada. PARTICIPANTS: Adults over age 50 years without pre-existing dementia were targeted...
May 25, 2018: International Psychogeriatrics
https://www.readbyqxmd.com/read/29793427/falls-and-long-term-care-a-report-from-the-care-by-design-observational-cohort-study
#13
Emily J Cameron, Susan K Bowles, Emily Gard Marshall, Melissa K Andrew
BACKGROUND: Falls and the resulting complications are common among frail older adults. We aimed to explore risk factors and potential prevention strategies for falls in elderly residents of Long-Term Care Facilities (LTCF). METHODS: This was a cross sectional study design using data from the Care by Design (CBD) study, within Nova Scotia's Capital District Health Authority. This observational time series cohort study collected data before, during and after the implementation of CBD, a new model of coordinated primary care in LTCF...
May 24, 2018: BMC Family Practice
https://www.readbyqxmd.com/read/29784035/a-retrospective-cohort-study-do-patients-with-graves-disease-need-to-be-euthyroid-prior-to-surgery
#14
Abrar Al Jassim, Tim Wallace, Sarah Bouhabel, Agnieszka Majdan, Michael Hier, Veronique-Isabelle Forest, Richard Payne
BACKGROUND: The 2016 American Thyroid Association guidelines indicate that patients with Graves' disease who undergo a thyroidectomy should be rendered euthyroid through the use of antithyroid drugs (ATD) prior to surgery to avoid complications such as a thyroid storm. At times, the use of ATDs can have limited efficacy and therefore some patients will inevitably remain biochemically hyperthyroid at the time of surgery. The aim of this study is to assess if hyperthyroid patients undergoing a thyroidectomy are at an increased risk of developing a thyroid storm in comparison to euthyroid patients...
May 21, 2018: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29778225/identification-growth-and-toxicity-assessment-of-coolia-meunier-dinophyceae-from-nova-scotia-canada
#15
Nancy I Lewis, Jennifer L Wolny, John Claude Achenbach, Lee Ellis, Joseph S Pitula, Cheryl Rafuse, Detbra S Rosales, Pearse McCarron
Benthic dinoflagellates of the toxigenic genus Coolia Meunier (Dinophyceae) are known to have a global distribution in both tropical and temperate waters. The type species, C. monotis, has been reported from the Mediterranean Sea, the NE Atlantic and from Rhode Island, USA in the NW Atlantic, whereas other species in the genus have been reported from tropical locations. Coolia cells were observed in algal drift samples collected at seven sites in Nova Scotia, Canada. Clonal isolates were established from four of these locations and identified with light and scanning electron microscopy, then confirmed with genetic sequencing to be C...
May 2018: Harmful Algae
https://www.readbyqxmd.com/read/29773897/fine-scale-temperature-associated-genetic-structure-between-inshore-and-offshore-populations-of-sea-scallop-placopecten-magellanicus
#16
Sarah J Lehnert, Claudio DiBacco, Mallory Van Wyngaarden, Nicholas W Jeffery, J Ben Lowen, Emma V A Sylvester, Brendan F Wringe, Ryan R E Stanley, Lorraine C Hamilton, Ian R Bradbury
In the northwest Atlantic Ocean, sea scallop (Placopecten magellanicus) has been characterized by a latitudinal genetic cline with a breakpoint between northern and southern genetic clusters occurring at ~45°N along eastern Nova Scotia, Canada. Using 96 diagnostic single-nucleotide polymorphisms (SNPs) capable of discriminating between northern and southern clusters, we examined fine-scale genetic structure of scallops among 27 sample locations, spanning the largest geographic range evaluated in this species to date (~37-51°N)...
May 17, 2018: Heredity
https://www.readbyqxmd.com/read/29765209/using-the-frailty-assessment-for-care-planning-tool-fact-to-screen-elderly-chronic-kidney-disease-patients-for-frailty-the-nurse-experience
#17
Heather Moffatt, Paige Moorhouse, Laurie Mallery, David Landry, Karthik Tennankore
Purpose: Recent evidence supports the prognostic significance of frailty for functional decline and poor health outcomes in patients with chronic kidney disease. Yet, despite the development of clinical tools to screen for frailty, little is known about the experiential impact of screening for frailty in this setting. The Frailty Assessment for Care Planning Tool (FACT) evaluates frailty across 4 domains: mobility, function, social circumstances, and cognition. The purpose of this qualitative study was as follows: 1) explore the nurse experience of screening for frailty using the FACT tool in a specialized outpatient renal clinic; 2) determine how, if at all, provider perceptions of frailty changed after implementation of the frailty screening tool; and 3) determine the perceived factors that influence uptake and administration of the FACT screening tool in a specialized clinical setting...
2018: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29762070/developing-a-palliative-care-competency-framework-for-health-professionals-and-volunteers-the-nova-scotian-experience
#18
Meg McCallum, Janet Carver, David Dupere, Sharon Ganong, J David Henderson, Ann McKim, Lisa McNeil-Campbell, Holly Richardson, Judy Simpson, Cheryl Tschupruk, Heather Jewers
BACKGROUND AND OBJECTIVES: In 2014, Nova Scotia released a provincial palliative care strategy and implementation working groups were established. The Capacity Building and Practice Change Working Group, comprised of health professionals, public advisors, academics, educators, and a volunteer supervisor, was asked to select palliative care education programs for health professionals and volunteers. The first step in achieving this mandate was to establish competencies for health professionals and volunteers caring for patients with life-limiting illness and their families and those specializing in palliative care...
May 15, 2018: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/29728091/benchmarking-time-to-initiation-of-end-of-life-homecare-nursing-a-population-based-cancer-cohort-study-in-regions-across-canada
#19
Hsien Seow, Danial Qureshi, Lisa Barbera, Kim McGrail, Beverley Lawson, Fred Burge, Rinku Sutradhar
BACKGROUND: Several studies have demonstrated the benefits of early initiation of end-of-life care, particularly homecare nursing services. However, there is little research on variations in the timing of when end-of-life homecare nursing is initiated and no established benchmarks. METHODS: This is a retrospective cohort study of patients with a cancer-confirmed cause of death between 2004 and 2009, from three Canadian provinces (British Columbia, Nova Scotia, and Ontario)...
May 4, 2018: BMC Palliative Care
https://www.readbyqxmd.com/read/29696679/canadian-conference-on-medical-education-28-april-1-may-2018-halifax-nova-scotia-canada
#20
(no author information available yet)
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April 2018: Medical Education
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