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University of alberta

Allan C Ashworth, Terry L Erwin
Fossil elytra of a small trechine carabid are reported from the Oliver Bluffs on the Beardmore Glacier at lat. 85°S. They were compared with counterparts from the extant genera Trechisibus, Tasmanorites, Oxytrechus and Pseudocnides. The fossils share some characters but are sufficiently different to be described as a new genus and species. We named the new species Antarctotrechus balli in honour of George E. Ball who made major contributions to the study of carabids through his own research and the training of students while at the University of Alberta, Edmonton, Alberta, Canada...
2016: ZooKeys
Curtis R Budden, Ksenia Svechnikova, Jonathan White
INTRODUCTION: Given that teaching is so vital to the maintenance of the medical profession, it is surprising that few authors have examined the factors which motivate physicians and surgeons to engage in this activity. AIM: It was the aim of this study to examine the factors which motivate excellent surgical educators to teach. METHODOLOGY: Grounded theory methodology was used to analyze transcribed semi-structured interviews. The top 20 ranked surgical educators at the University of Alberta were invited to participate...
November 10, 2016: Medical Teacher
P Smyth, K Maximova, J D Jirsch
BACKGROUND: The tradition of physicians working while sleep deprived is increasingly criticised. Medical regulatory bodies have restricted resident physician duty-hours, not addressing the greater population of physicians. We aimed to assess factors such as sleep duration prior to a 24-hour observation period on physicians' attention. METHODS: We studied 70 physicians (mean age 38 years old (SD 10.8 years)): 36 residents and 34 faculty from call rosters at the University of Alberta...
November 1, 2016: Occupational and Environmental Medicine
Grace Hubert, Theresa Tam Chung, Connie Prosser, Dale Lien, Justin Weinkauf, Neil Brown, Marianne Goodvin, Kathy Jackson, Joan Tabak, Josette Salgado, Abeer Salman Alzaben, Diana R Mager
PURPOSE: Patients with cystic fibrosis (CF) often experience low bone mineral density (BMD) pre- and post-lung transplantation (LTX). The study purpose was to describe BMD and micronutrient status in adults with CF pre- and post-LTX. METHODS: Twelve patients with CF (29 ± 8 years) were recruited from the CF clinic at the University of Alberta Lung Transplant Program. BMD and vitamins A, D, E, K status, and parathyroid hormone were measured pre- and post-LTX. RESULTS: No significant differences pre- and post-LTX were observed at the different bone sites measured (lumber-spine, femoral-neck (FN), hip, and femoral-trochlea) (P > 0...
July 19, 2016: Canadian Journal of Dietetic Practice and Research
Noura A Alsufyani, Andy Hess, Michelle Noga, Nilanjan Ray, Mohammed A Q Al-Saleh, Manuel O Lagravère, Paul W Major
INTRODUCTION: Our objectives were to assess reliability, validity, and time efficiency of semiautomatic segmentation using Segura software of the nasal and pharyngeal airways, against manual segmentation with point-based analysis with color mapping. METHODS: Pharyngeal and nasal airways from 10 cone-beam computed tomography image sets were segmented manually and semiautomatically using Segura (University of Alberta, Edmonton, Alberta, Canada). To test intraexaminer and interexaminer reliabilities, semiautomatic segmentation was repeated 3 times by 1 examiner and then by 3 examiners...
October 2016: American Journal of Orthodontics and Dentofacial Orthopedics
Nancy Marr, Jessica Yu, Demetrios J Kutsogiannis, Sherif Hanafy Mahmoud
BACKGROUND: Vasopressin is one of the vasopressors used to augment blood pressure in subarachnoid hemorrhage (SAH) patients with clinically significant vasospasm. The purpose of the present study was to determine whether the administration of vasopressin to a population of SAH patients was an independent predictor of developing hyponatremia. METHODS: A retrospective review on the health records of 106 patients admitted to the University of Alberta Hospital Neurosciences ICU, Edmonton AB, Canada, with SAH from June 2013 to December 2015 was conducted...
September 27, 2016: Neurocritical Care
Klára Fekete, Sándor Márton, László Csiba, István Fekete
INTRODUCTION: Recombinant tissue plasminogen activator (rtPA) is an efficient therapy of acute ischemic stroke. The risk of a recurrent ischemic stroke is high. This prospective single center study aimed to assess whether or not the repeated rtPA treatment is beneficial for acute stroke patients. METHODS: All thrombolysed patients' data at the Department of Neurology, University of Debrecen have been recorded in the Debrecen Thrombolysis Database (DTD) since 2004...
September 23, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Natasha Hoehn, M John Gill, Hartmut B Krentz
Despite strong evidence of a clinical benefit from initiating antiretroviral therapy (ART) immediately after diagnosis some patients remain ART naïve. We examined explanations, over a four-year period in a centralized HIV clinical cohort under universal health care, for newly diagnosed patients, while being fully engaged and retained in HIV care, delaying ART initiation for >180 days following their HIV diagnosis. All patients followed at the Southern Alberta Clinic, Calgary, Canada between 1 January 2010 and 1 January 2014 were included and followed until they moved, were lost to follow-up, died or until 1 January 2015...
September 18, 2016: AIDS Care
Joshua J DeSerres, Brittany R Barber, Hadi Seikaly, Jeffrey R Harris, Daniel A O'Connell
Free tissue transfer has become the mainstay of head and neck cancer (HNC) reconstructive surgery. The objective of the study is to examine the efficacy of the Harmonic Scalpel (HS) Shears on free flap elevation time and complication rates after HNC reconstruction compared with traditional electrocautery. A retrospective review of 215 HNC patients undergoing surgical ablation and free flap reconstruction from January 2010 to April 2013 at the University of Alberta Hospital was undertaken. All patients requiring free flap reconstruction with radial forearm free flap or fibula free flap were included...
May 2016: Plastic and Reconstructive Surgery. Global Open
Florence Y Lai, Douglas C Dover, Carmen L Charlton
BACKGROUND: Despite widespread use of a universal rubella standard, variability in rubella antibody titre can be observed between assays, particularly at the low end of the linear range. OBJECTIVES: Here, we investigate the impact of a methodology change for rubella IgG from the Abbott AXSYM to the Abbott Architect in a comprehensive prenatal screening program in the Canadian province of Alberta. STUDY DESIGN: 51,815 specimens (21,399 tested by AxSYM and 30,416 tested by Architect) submitted for routine prenatal screening between January 2006 and December 2012 from women who lived in Alberta after the universal childhood immunization programme for rubella was implemented, and whose immunization records were available, were included in the study...
October 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
Saad Y Salim, Pang Y Young, Thomas A Churchill, Rachel G Khadaroo
BACKGROUND: Acute mesenteric ischemia (AMI) has a high morbidity and mortality and often presents as a diagnostic challenge. Currently, there is no blood, urine, or radiologic tests that provide a definitive diagnosis of AMI. The aim of this study was to evaluate the clinical accuracy of urine intestinal fatty acid-binding protein (I-FABP) to diagnosis AMI. MATERIALS AND METHODS: Twenty patients referred to the Acute Care Surgery service at University of Alberta Hospital with suspected AMI taken to the operating room for definitive diagnosis were recruited...
July 16, 2016: Journal of Surgical Research
Usama Nassar, Connor Fairbanks, Carlos Flores-Mir, Alan Kilistoff, Rick Easton
OBJECTIVE: Comprehensive data on the characteristics and opinions of graduating dental students in Canada are lacking. Specifically, only minimal information is available on graduates' immediate career plans and factors that may influence their decisions regarding these plans. Our aim was to gather such data to allow better understanding of this issue and improve the design of future studies on this topic. METHODS: The Career Development Committee at the school of dentistry, University of Alberta, designed a short survey to be administered to graduating students over 5 years to gain insight into their immediate career plans and opinions on career services at the school...
July 2016: Journal—Canadian Dental Association, Journal de L'Association Dentaire Canadienne
I Cabrera-Martos, M C Valenza, G Valenza-Demet, A Benítez-Feliponi, C Robles-Vizcaíno, A Ruiz-Extremera
PURPOSE: Despite growing evidence regarding nonsynostotic plagiocephaly and their repercussions on motor development, there is little evidence to support the use of manual therapy as an adjuvant option. The aim of this study was to evaluate the effects of a therapeutic approach based on manual therapy as an adjuvant option on treatment duration and motor development in infants with severe nonsynostotic plagiocephaly. METHODS: This is a randomised controlled pilot study...
July 27, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Ling Ling, Maria B Ospina, Kyriaki Sideri, Harissios Vliagoftis
BACKGROUND: Food allergy is a common clinical problem in adults. Given logistical barriers to conducting food challenges, the use of skin prick test (SPT) and specific IgE (sIgE) are important in establishing the diagnosis. The purpose of this study is to investigate the agreement of SPT and sIgE results in adults presenting to an allergy clinic with suspected food allergy. METHODS: Retrospective analysis of medical records at the University of Alberta Allergy Clinic between September 2013 and May 2015 was performed...
2016: Allergy, Asthma, and Clinical Immunology
Jane Drummond, Natasha Wiebe, Sylvia So, Laurie Schnirner, Jeffrey Bisanz, Deanna L Williamson, Maria Mayan, Laura Templeton, Konrad Fassbender
BACKGROUND: Increasing access to health and social services through service-integration approaches may provide a direct and sustainable way to improve health and social outcomes in low-income families. METHODS: We did a community-based randomized trial evaluating the effects of two service-integration practices (healthy family lifestyle and recreational activities for children) among low-income families in Alberta, Canada. These two practices in combination formed four groups: Self-Directed (no intervention), Family Healthy Lifestyle, Family Recreation, and Comprehensive (Family Healthy Lifestyle plus Family Recreation programs)...
July 22, 2016: Trials
Cristiane Ribeiro Chaves, Melanie Campbell, Ana Cristina Côrtes Gama
OBJECTIVE: This study aimed to determine the influence of native language on the auditory-perceptual assessment of voice, as completed by Brazilian and Anglo-Canadian listeners using Brazilian vocal samples and the grade, roughness, breathiness, asthenia, strain (GRBAS) scale. STUDY DESIGN: This is an analytical, observational, comparative, and transversal study conducted at the Speech Language Pathology Department of the Federal University of Minas Gerais in Brazil, and at the Communication Sciences and Disorders Department of the University of Alberta in Canada...
July 11, 2016: Journal of Voice: Official Journal of the Voice Foundation
David J T Campbell, Braden J Manns, Brenda R Hemmelgarn, Claudia Sanmartin, Kathryn M King-Shier
BACKGROUND: Patients with cardiovascular-related chronic diseases may face financial barriers to accessing health care, even in Canada, where universal health care insurance is in place. No current theory or framework is adequate for understanding the impact of financial barriers to care on these patients or how they experience financial barriers. The overall objective of this study is to develop a framework for understanding the role of financial barriers to care in the lives of patients with cardiovascular-related chronic diseases and the impact of such barriers on their health...
April 2016: CMAJ Open
Thamer Alkhadra, William Preshing, Tarek El-Bialy
OBJECTIVES: This study evaluated the prevalence of dental trauma for patients attending the emergency dental clinic at the University of Alberta Hospital between 2006-2009. Patients' examination and treatment charts were reviewed. METHODS: Total number of patients' charts was 1893.The prevalence of different types of trauma was 6.4 % of the total cases (117 patients). Trauma cases were identified according to Ellis classification and as modified by Holland et al...
2016: Open Dentistry Journal
Amy Y X Yu, Shaun Malo, Stephen Wilton, Ratika Parkash, Lawrence W Svenson, Michael D Hill
BACKGROUND: Atrial fibrillation increases the risk of stroke and death. Anticoagulation therapy is an effective treatment for stroke prevention, but remains underused in the community. We sought to determine the effectiveness and safety of anticoagulation therapy in an inception cohort with new-onset atrial fibrillation in the province of Alberta, Canada. METHODS: We conducted a population-based cohort study of atrial fibrillation using an administrative database from Alberta's publicly funded and universally available health care system...
January 2016: CMAJ Open
Kayla M Atkey, Kim D Raine, Kate E Storey, Noreen D Willows
To achieve food security in Canada, comprehensive approaches are required, which involve action at the public policy level. This qualitative study explored the experiences of 14 stakeholders engaging in a 9-month participatory public policy advocacy project to promote community food security in the province of Alberta through the initiation of a campaign to develop a Universal School Food Strategy. Through this exploration, four main themes were identified; a positive and open space to contribute ideas, diversity and common ground, confidence and capacity, and uncertainty...
September 2016: Health Promotion Practice
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