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https://www.readbyqxmd.com/read/29224247/cortisol-and-blood-pressure-levels-decreased-in-fathers-during-the-first-hour-of-skin-to-skin-contact-with-their-premature-babies
#1
Natalia Varela, Réjean Tessier, George Tarabulsy, Tamarha Pierce
AIM: Premature birth is an extremely stressful experience. In 2013 to 2014 we explored the physiological stress responses of fathers during their first skin-to-skin contact with their new baby. METHODS: We recruited 49 fathers whose partners had given birth to a premature baby of up to 33 weeks and three days. The study, in the neonatal intensive care unit (NICU) of a Quebec hospital, measured the physiological stress responses of the fathers before and after they first experienced skin-to-skin contact with their new baby...
December 9, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29223820/arsenic-mobility-and-characterization-in-lakes-impacted-by-gold-ore-roasting-yellowknife-nwt-canada
#2
Martin D Van Den Berghe, Heather E Jamieson, Michael J Palmer
The controls on the mobility and fate of arsenic in lakes impacted by historical gold ore roasting in northern Canada have been examined. A detailed characterization of arsenic solid and aqueous phases in lake waters, lake sediments and sediment porewaters as well as surrounding soils was conducted in three small lakes (<200ha) downwind and within 5 km of the historic mining and roasting operations of Giant Mine (Northwest Territories). These lakes are marked by differing limnological characteristics such as area, depth and organic content...
December 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29223782/the-influence-of-precursors-and-treatment-process-on-the-formation-of-iodo-thms-in-canadian-drinking-water
#3
Anca-Maria Tugulea, Rocio Aranda-Rodriguez, Denis Bérubé, Michèle Giddings, France Lemieux, Joan Hnatiw, Luda Dabeka, François Breton
The National Survey of Disinfection By-Products and Selected Emerging Contaminants investigated the formation of various disinfection by-products and contaminants in 65 water treatment systems (WTSs) across Canada. Results for six iodo-trihalomethanes (iodo-THMs) are reported in this paper. The participating water treatment systems included large, medium and small systems using water sources and treatment processes which were representative of Canadian drinking water. Five water samples (source water, treated water and three water samples along the distribution system) were collected from each treatment system, both under winter and summer conditions...
November 27, 2017: Water Research
https://www.readbyqxmd.com/read/29223777/child-care-centre-adherence-to-infant-physical-activity-and-screen-time-recommendations-in-australia-canada-and-the-united-states-an-observational-study
#4
Lyndel Hewitt, Sara E Benjamin-Neelon, Valerie Carson, Rebecca M Stanley, Ian Janssen, Anthony D Okely
OBJECTIVE: The aim of this study was to compare adherence to physical activity and sedentary behaviour recommendations within the 2011 Institute of Medicine Early Childhood Obesity Prevention Policies as well as screen time recommendations from the 2013 American Academy of Pediatrics for samples of infants in child care centres in Australia, Canada, and the United States (US). METHODS: This cross-sectional study used data from: the Australian 2013 Standing Preschools (N=9) and the 2014-2017 Early Start Baseline (N=22) studies; the 2011 Canadian Healthy Living Habits in Pre-School Children study (N=14); and the American 2008 (N=31) and 2013-2017 (N=31) Baby Nutrition and Physical Activity Self-Assessment for Child Care (NAP SACC) trials...
December 7, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/29223749/egg-freezing-for-age-related-fertility-decline
#5
Julio Saumet, Angel Petropanagos, Karen Buzaglo, Eileen McMahon, Gunwant Warraich, Neal Mahutte
OBJECTIVE: To provide a comprehensive review and evidence based recommendations for Canadian fertility centres that offer social egg freezing. OUTCOMES: In social egg freezing cycles we evaluated thawed oocyte survival rates, fertilization rates, embryo quality, pregnancy rates, and live birth rates. We also review how these outcomes are impacted by age, ovarian reserve, and the number of eggs cryopreserved. Finally, we discuss the risks of social egg freezing, the alternatives, the critical elements for counselling and informed consent, and future reporting of egg freezing outcome data...
December 6, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29223487/implementing-a-province-wide-mandatory-vaccinate-or-mask-policy-at-healthcare-facilities-in-british-columbia-canada
#6
Alexandra Nunn, Audrey C Campbell, Monika Naus, Jeffrey C Kwong, David Puddicombe, Susan Quach, Bonnie Henry
OBJECTIVES: In 2012, British Columbia (BC) became the first Canadian province to implement an influenza prevention policy requiring healthcare workers (HCW) to either be vaccinated annually against influenza or wear a mask in patient care areas during the influenza season. This study describes an evaluation of influenza policy implementation processes and identifies supports and challenges related to successful policy implementation at the level of healthcare facilities, during the second policy year (2013/14)...
December 6, 2017: Vaccine
https://www.readbyqxmd.com/read/29223120/de-icing-salt-contamination-reduces-urban-tree-performance-in-structural-soil-cells
#7
Camilo Ordóñez-Barona, Vadim Sabetski, Andrew A Millward, James Steenberg
Salts used for de-icing roads and sidewalks in northern climates can have a significant impact on water quality and vegetation. Sub-surface engineering systems, such as structural soil cells, can regulate water runoff and pollutants, and provide the necessary soil volume and irrigation to grow trees. However, the ability of such systems to manage de-icing salt contamination, and the impact of this contamination on the trees growing in them, have not been evaluated. We report on an field investigation of de-icing salt contamination in structural cells in two street-revitalization projects in Toronto, Canada, and the impact of this contamination on tree performance...
December 6, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29222704/healthcare-system-barriers-to-long-term-follow-up-for-adult-survivors-of-childhood-cancer-in-british-columbia-canada-a-qualitative-study
#8
A Fuchsia Howard, Arminee Kazanjian, Sheila Pritchard, Rob Olson, Haroon Hasan, Kelly Newton, Karen Goddard
PURPOSE: Risk-stratified life-long follow-up care is recommended for adult childhood cancer survivors (CCS) to ensure appropriate prevention, screening, and management of late effects. The identification of barriers to long-term follow-up (LTFU), particularly in varying healthcare service contexts, is essential to develop and refine services that are responsive to survivor needs. We aimed to explore CCS and healthcare professionals (HCP) perspectives of healthcare system factors that function as barriers to LTFU in British Columbia, Canada...
December 8, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/29222350/leflunomide-use-during-pregnancy-and-the-risk-of-adverse-pregnancy-outcomes
#9
Anick Bérard, Jin-Ping Zhao, Irene Shui, Susan Colilla
OBJECTIVES: Leflunomide is known to be embryotoxic and teratogenic in rodents. However, there is less evidence in humans. We quantified the risk of major congenital malformation (MCM), prematurity, low birth weight (LBW) and spontaneous abortion associated with leflunomide exposure during pregnancy in humans. METHODS: From a cohort of 289 688 pregnancies in Montreal, Quebec, Canada, from 1998 to 2015, first-trimester leflunomide exposure and other antirheumatic drug exposures were studied for their association with MCM and spontaneous abortions...
December 8, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29221873/modeling-and-prediction-of-regional-municipal-solid-waste-generation-and-diversion-in-canada-using-machine-learning-approaches
#10
Miyuru Kannangara, Rahul Dua, Leila Ahmadi, Farid Bensebaa
The main objective of this study was to develop models for accurate prediction of municipal solid waste (MSW) generation and diversion based on demographic and socio-economic variables, with planned application of generating Canada-wide MSW inventories. Models were generated by mapping residential MSW quantities with socio-economic and demographic parameters of 220 municipalities in the province of Ontario, Canada. Two machine learning algorithms, namely decision trees and neural networks, were applied to build the models...
December 5, 2017: Waste Management
https://www.readbyqxmd.com/read/29221679/the-gnathobasic-spine-microstructure-of-recent-and-silurian-chelicerates-and-the-cambrian-artiopodan-sidneyia-functional-and-evolutionary-implications
#11
Russell D C Bicknell, John R Paterson, Jean-Bernard Caron, Christian B Skovsted
Gnathobasic spines are located on the protopodal segments of the appendages of various euarthropod taxa, notably chelicerates. Although they are used to crush shells and masticate soft food items, the microstructure of these spines are relatively poorly known in both extant and extinct forms. Here we compare the gnathobasic spine microstructures of the Silurian eurypterid Eurypterus tetragonophthalmus from Estonia and the Cambrian artiopodan Sidneyiainexpectans from Canada with those of the Recent xiphosuran chelicerate Limulus polyphemus to infer potential variations in functional morphology through time...
December 5, 2017: Arthropod Structure & Development
https://www.readbyqxmd.com/read/29221545/-globalhealth-twitter-conversations-on-malaria-hiv-tb-ncds-and-ntds-a-cross-sectional-analysis
#12
Isaac Chun-Hai Fung, Ashley M Jackson, Jennifer O Ahweyevu, Jordan H Grizzle, Jingjing Yin, Zion Tsz Ho Tse, Hai Liang, Juliet N Sekandi, King-Wa Fu
BACKGROUND: Advocates use the hashtag #GlobalHealth on Twitter to draw users' attention to prominent themes on global health, to harness their support, and to advocate for change. OBJECTIVES: We aimed to describe #GlobalHealth tweets pertinent to given major health issues. METHODS: Tweets containing the hashtag #GlobalHealth (N = 157,951) from January 1, 2014, to April 30, 2015, were purchased from GNIP Inc. We extracted 5 subcorpora of tweets, each with 1 of 5 co-occurring disease-specific hashtags (#Malaria, #HIV, #TB, #NCDS, and #NTDS) for further analysis...
May 2017: Annals of Global Health
https://www.readbyqxmd.com/read/29221439/catheter-related-blood-stream-infections-in-hemodialysis-patients-a-prospective-cohort-study
#13
Stephanie Thompson, Natasha Wiebe, Scott Klarenbach, Rick Pelletier, Brenda R Hemmelgarn, John S Gill, Braden J Manns, Marcello Tonelli
BACKGROUND: For people requiring hemodialysis, infectious mortality is independently associated with geographic distance from a nephrologist. We aimed to determine if differential management of catheter-related blood stream infections (CRBSIs) could explain poorer outcomes. METHODS: We prospectively collected data from adults initiating hemodialysis with a central venous catheter between 2005 and 2015 in Alberta, Canada. We collected indicators of CRBSI management (timely catheter removal, relapsing bacteremia); frequency of CRBSIs; hospitalizations; predictors of CRBSIs, and bacteremia...
December 8, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29220860/patients-willingness-to-defer-resection-of-diminutive-polyps-results-of-a-multicenter-survey
#14
Daniel von Renteln, Mickael Bouin, Alan N Barkun, Audrey Weber, Douglas J Robertson, Joseph C Anderson, Heiko Pohl
Background and study aims Current colonoscopy practice requires removal of diminutive polyps. This is associated with costs, but the benefits to colorectal cancer (CRC) prevention remain unclear. The study aim was to understand patients' willingness to defer resection of diminutive polyps and to examine the factors that influence patients' decisions. Patients and methods Adults presenting for a colonoscopy were surveyed at three hospitals in the USA and Canada. Survey domains included: patient characteristics, risk perception, knowledge about CRC risk, willingness to defer polyp resection, and associated concerns...
December 8, 2017: Endoscopy
https://www.readbyqxmd.com/read/29220743/the-cigarette-dependence-scale-and-heaviness-of-smoking-index-as-predictors-of-smoking-cessation-after-10weeks-of-nicotine-replacement-therapy-and-at-6-month-follow-up
#15
Laurie Zawertailo, Sabrina Voci, Peter Selby
INTRODUCTION: The reliability and validity of the Cigarette Dependence Scale (CDS) has been tested in online studies and compared with other tobacco dependence measures. Findings regarding its ability to predict smoking cessation have been mixed. We examined whether the CDS predicted cessation among a sample that received nicotine replacement therapy (NRT) at a community workshop and assessed the incremental predictive validity of the CDS-5 and CDS-12 over the 2-item Heaviness of Smoking Index (HSI)...
November 27, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/29220727/the-health-impacts-of-weekday-traffic-a-health-risk-assessment-of-pm2-5-emissions-during-congested-periods
#16
Weeberb J Requia, Christopher D Higgins, Matthew D Adams, Moataz Mohamed, Petros Koutrakis
Little work has accounted for congestion, using data that reflects driving patterns, traffic volume, and speed, to examine the association between traffic emissions and human health. In this study, we performed a health risk assessment of PM2.5 emissions during congestion periods in the Greater Toronto and Hamilton Area (GTHA), Canada. Specifically, we used a micro-level approach that combines the Stochastic User Equilibrium Traffic Assignment Algorithm with a MOVES emission model to estimate emissions considering congestion conditions...
December 5, 2017: Environment International
https://www.readbyqxmd.com/read/29220642/substance-use-patterns-associated-with-recent-exposure-to-fentanyl-among-people-who-inject-drugs-in-vancouver-canada-a-cross-sectional-urine-toxicology-screening-study
#17
Kanna Hayashi, M-J Milloy, Mark Lysyshyn, Kora DeBeck, Ekaterina Nosova, Evan Wood, Thomas Kerr
INTRODUCTION: Vancouver, Canada is experiencing an opioid overdose crisis where fentanyl, a potent, synthetic opioid contaminating the illicit drug supply, has been detected in the majority of fatal overdose cases. Despite its growing presence throughout North America, few studies have characterized exposure to fentanyl among people who use illicit drugs (PWUD). We sought to identify the prevalence and correlates of fentanyl exposure among PWUD in Vancouver. METHODS: Data were derived from cohort studies of PWUD in Vancouver...
December 5, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29220532/exploring-the-predictive-validity-of-the-susceptibility-to-smoking-construct-for-tobacco-cigarettes-alternative-tobacco-products-and-e-cigarettes
#18
Adam G Cole, Ryan David Kennedy, Ashok Chaurasia, Scott T Leatherdale
Introduction: Within tobacco prevention programming, it is useful to identify youth that are at risk for experimenting with various tobacco products and e-cigarettes. The susceptibility to smoking construct is a simple method to identify never-smoking students that are less committed to remaining smoke-free. However, the predictive validity of this construct has not been tested within the Canadian context or for the use of other tobacco products and e-cigarettes. Methods: This study used a large, longitudinal sample of secondary school students that reported never using tobacco cigarettes and non-current use of alternative tobacco products or e-cigarettes at baseline in Ontario, Canada...
December 6, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29220420/fear-of-falling-predicts-incidence-of-functional-disability-two-years-later-a-perspective-from-an-international-cohort-study
#19
Mohammad Auais, Simon French, Beatriz Alvarado, Catherine Pirkle, Emmanuelle Belanger, Jack Guralnik
Objective: To study the extent to which fear of falling (FOF) is associated with the onset of functional disability over a 2-year period in older adults using self-reported and performance-based measures. Methods: In 2012, 1,601 participants (aged 65-74) were recruited from four sites: Kingston and Saint-Hyacinthe, Canada; Manizales, Colombia; and Natal, Brazil. They were re-assessed in 2014. We quantified FOF using the Fall Efficacy Scale-International (FES-I; range: 16-64)...
December 6, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29220405/maaqwi-cascadensis-a-large-marine-diving-bird-avialae-ornithurae-from-the-upper-cretaceous-of-british-columbia-canada
#20
Sandy M S McLachlan, Gary W Kaiser, Nicholas R Longrich
Mesozoic bird fossils from the Pacific Coast of North America are rare, but small numbers are known from the Late Cretaceous aged sediments of Hornby Island, British Columbia. Most are unassociated fragments that offer little information, but additional preparation of a large coracoid has revealed more details of its structure, as well as three associated wing bones. Phylogenetic analysis suggests that Maaqwi cascadensis, gen. et sp. nov. represents a derived crown or near-crown member of Ornithurae, and specifically suggests affinities with Vegaviidae...
2017: PloS One
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