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https://www.readbyqxmd.com/read/28440082/metro-commuter-exposures-to-particulate-air-pollution-and-pm2-5-associated-elements-in-three-canadian-cities-the-urban-transportation-exposure-study
#1
Keith Van Ryswyk, Angelos T Anastasopolos, Greg Evans, Liu Sun, Kelly Sabaliauskas, Ryan Kulka, Lance Wallace, Scott Weichenthal
System-representative commuter air pollution exposure data were collected for the metro systems of Toronto, Montreal, and Vancouver, Canada. Pollutants measured included PM2.5 (PM = particulate matter), PM10, ultrafine particles, black carbon, and the elemental composition of PM2.5. Sampling over three weeks was conducted in summer and winter for each city and covered each system on a daily basis. Mixed-effect linear regression models were used to identify system features related to particulate exposures. Ambient levels of PM2...
April 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28435914/factors-predictive-of-topographical-accuracy-in-spine-level-localization
#2
Jin W Tee, Joost Rutges, Travis Marion, John Street, Scott Paquette, Tamir Ailon, Brian K Kwon, Marcel Dvorak, Michael Boyd
BACKGROUND: Pre-operative spine level localization by palpation of anatomical landmarks (ribs, spinous processes) in posterior approaches for surgeries from T4 to L2 is often inaccurate. This can lead to ineffective utilization of procedural time, increased radiation dose, potentially longer skin incision and wrong level surgery. Factors affecting topographical accuracy includes body mass index (BMI) of the patient, congenital or acquired deformity and knowledge of topographical anatomy...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28426451/quality-of-care-and-outcomes-among-hospitalized-inflammatory-bowel-disease-patients-a-multicenter-retrospective-study
#3
Geoffrey C Nguyen, Sanjay K Murthy, Brian Bressler, Mindy C W Lam, Ali Alali, Asmae Toumi, Jason Reinglas, Adam Rampersad, Adam V Weizman, Waqqas Afif
BACKGROUND: Half of patients with inflammatory bowel disease (IBD) require hospitalization. We sought to characterize inpatient quality indicators of care and outcomes during IBD-related hospitalizations at 4 major IBD referral centers in Canada. METHODS: We conducted a multicenter retrospective cohort study of patients with IBD admitted from 2011 to 2013 to tertiary centers in Toronto, Montreal, Ottawa, and Vancouver. We assessed the following inpatient indicators of care: pharmacological venous thromboembolism (VTE) prophylaxis, Clostridium difficile testing, and medical rescue therapy for steroid-refractory ulcerative colitis (UC)...
May 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28426426/pseudopecoelus-mccauleyi-n-sp-and-podocotyle-sp-digenea-opecoelidae-from-the-deep-waters-off-oregon-and-british-columbia-with-an-updated-key-to-the-species-of-pseudopecoelus-von-wicklen-1946-and-checklist-of-parasites-from-lycodes-cortezianus-perciformes-zoarcidae
#4
REVIEW
Charles K Blend, Norman O Dronen, Gabor R Racz, Scott L Gardner
Pseudopecoelus mccauleyi n. sp. (Opecoelidae: Opecoelinae) is described from the intestine of the bigfin eelpout, Lycodes cortezianus (Gilbert, 1890) (Perciformes: Zoarcidae), collected at 200-800 m depths in the Northeastern Pacific Ocean off Oregon and Vancouver Island, British Columbia. The new species is distinguished by possessing a unique combination of the following diagnostic characters: vitelline fields that extend to the posterior margin of the ventral sucker; a slender, tubular and sinuous seminal vesicle that extends some distance into the hindbody; an unspecialized, protuberant ventral sucker; a genital pore at pharynx level; lobed to deeply multilobed testes; a lobed ovary; and an egg size of 68-80 μm × 30-46 μm...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426185/integrated-hiv-care-and-service-engagement-among-people-living-with-hiv-who-use-drugs-in-a-setting-with-a-community-wide-treatment-as-prevention-initiative-a-qualitative-study-in-vancouver-canada
#5
Alexandra B Collins, Surita Parashar, Robert S Hogg, Saranee Fernando, Catherine Worthington, Patrick McDougall, Rosalind Baltzer Turje, Ryan McNeil
INTRODUCTION: Social-structural inequities impede access to, and retention in, HIV care among structurally vulnerable people living with HIV (PLHIV) who use drugs. The resulting disparities in HIV-related outcomes among PLHIV who use drugs pose barriers to the optimization of HIV treatment as prevention (TasP) initiatives. We undertook this study to examine engagement with, and impacts of, an integrated HIV care services model tailored to the needs of PLHIV who use drugs in Vancouver, Canada - a setting with a community-wide TasP initiative...
February 3, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28425903/improving-linkage-to-hiv-care-at-low-threshold-sti-hiv-testing-sites-an-evaluation-of-the-immediate-staging-pilot-project-in-vancouver-british-columbia
#6
Bobbi Brownrigg, Darlene Taylor, Felicia Phan, Irvine Sandstra, Rochelle Stimpson, Rolando Barrios, Richard Lester, Gina Ogilvie
OBJECTIVES: The objective of the Immediate Staging Pilot Project (ISPP) was to improve linkage to human immunodeficiency virus (HIV) care by increasing the number of referrals made to HIV care, and to decrease the time between diagnosis and linkage to care for newly diagnosed HIV clients. This pilot had the potential to decrease HIV transmission at a population level by engaging clients in treatment earlier. SETTING: The Bute Street Clinic and Health Initiative for Men Clinic on Davie in Vancouver, British Columbia are low-threshold public health facilities providing HIV/STI testing primarily to men who have sex with men (MSM)...
April 20, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/28425117/dream-homes-and-dead-ends-in-the-city-a-photo-essay-experiment
#7
Danya Fast
Research focused on the relationship between place and health demonstrates that it is complex and shifting, as overlapping social, historical, institutional and political and economic processes continually transform the landscapes in which lived experiences are embedded. Understanding this relationship requires knowledge of the situated meanings and local worlds that ethnographic methods are well suited to investigate. However, even conventional ethnographic methods can be inadequate to capture the embodied, lived experience of place - experiences in which the sensory and inner processes of memory and imagination are often privileged...
April 20, 2017: Sociology of Health & Illness
https://www.readbyqxmd.com/read/28424206/extending-the-fossil-record-of-polytrichaceae-early-cretaceous-meantoinea-alophosioides-gen-et-sp-nov-permineralized-gametophytes-with-gemma-cups-from-vancouver-island
#8
Alexander C Bippus, Ruth A Stockey, Gar W Rothwell, Alexandru M F Tomescu
PREMISE OF THE STUDY: Diverse in modern ecosystems, mosses are dramatically underrepresented in the fossil record. Furthermore, most pre-Cenozoic mosses are known only from compression fossils, lacking detailed anatomical information. When preserved, anatomy vastly improves resolution in the systematic placement of fossils. Lower Cretaceous deposits at Apple Bay (Vancouver Island, British Columbia, Canada) contain a diverse anatomically preserved flora that includes numerous bryophytes, many of which have yet to be characterized...
April 19, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28420569/identification-of-factors-predicting-scar-outcome-after-burn-in-adults-a-prospective-case-control-study
#9
Hilary J Wallace, Mark W Fear, Margaret M Crowe, Lisa J Martin, Fiona M Wood
This study examined influences on scarring after burn in a prospective study using a defined outcome measure: scar height measured by a modified Vancouver Scar Scale (mVSS). A prospective case-control study was conducted among 616 adult subjects who sustained a burn in Western Australia. Patient factors influencing scar outcome including gender, Fitzpatrick skin type and selected co-morbidities were explored, as well as injury and clinical factors. A logistic regression model for raised scar after burn was developed which achieved an overall correct prediction rate of 81...
April 15, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28414101/autophagy-in-hemorrhagic-stroke-mechanisms-and-clinical-implications
#10
REVIEW
Haiying Li, Jiang Wu, Haitao Shen, Xiyang Yao, Chenglin Liu, S Pianta, J Han, C V Borlongan, Gang Chen
Accumulating evidence advances the critical role of autophagy in brain pathology after stroke. Investigations employing autophagy induction or inhibition using pharmacological tools or autophagy-related gene knockout mice have recently revealed the biological significance of intact and functional autophagy in stroke. Most of the reported cases attest to a pro-survival role for autophagy in stroke, by facilitating removal of damaged proteins and organelles, which can be recycled for energy generation and cellular defenses...
April 13, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28411868/high-resolution-stream-water-quality-assessment-in-the-vancouver-british-columbia-region-a-citizen-science-study
#11
Scott M Shupe
Changing land cover and climate regimes modify water quantity and quality in natural stream systems. In regions undergoing rapid change, it is difficult to effectively monitor and quantify these impacts at local to regional scales. In Vancouver, British Columbia, one of the most rapidly urbanizing areas in Canada, 750 measurements were taken from a total of 81 unique sampling sites representing 49 streams located in urban, forest, and agricultural-dominant watersheds at a frequency of up to 12 times per year between 2013 and 2016...
April 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28410835/modified-extended-trochanteric-osteotomy-for-the-treatment-of-vancouver-b2-b3-periprosthetic-fractures-of-the-femur
#12
Andreas Ladurner, Pia Zurmühle, Vilijam Zdravkovic, Karl Grob
BACKGROUND: Femoral component revision is the treatment of choice for Vancouver type B2/B3 periprosthetic femur fractures (PFFs). The purpose of this study was to report the clinical outcome of revision total hip arthroplasty with the use of a modified extended trochanteric osteotomy (ETO) in PFF treatment. METHODS: A total of 43 cases between 2000 and 2014 were analyzed. Clinical and radiographic evaluation was performed with a mean follow-up of 40 months. Patient survival after revision surgery, complications, radiographic outcomes, and quality of life and hip function were assessed...
March 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28409267/syringe-sharing-among-a-prospective-cohort-of-street-involved-youth-implications-for-needle-distribution-programs
#13
Nikki Bozinoff, Evan Wood, Huiru Dong, Lindsey Richardson, Thomas Kerr, Kora DeBeck
The sharing of previously used syringes is associated with the transmission of Hepatitis C and HIV. This longitudinal study examines syringe borrowing and syringe lending within a prospective cohort of street-involved youth in Vancouver, Canada. From September 2005 to May 2014, data were collected from the At-Risk Youth Study, a cohort of street-involved youth age 14-26 at enrollment, and analyzed using generalized estimating equations. Among 505 participants, 142 (28.1%) reported syringe borrowing and 132 (26...
April 13, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28408806/patient-knowledge-and-pulmonary-medication-adherence-in-adult-patients-with-cystic-fibrosis
#14
Ann Hsu-An Lin, Jennifer G Kendrick, Pearce G Wilcox, Bradley S Quon
BACKGROUND AND OBJECTIVES: Patient knowledge of lung function (ie, forced expiratory volume in 1 s [FEV1]% predicted) and the intended benefits of their prescribed pulmonary medications might play an important role in medication adherence, but this relationship has not been examined previously in patients with cystic fibrosis (CF). METHODS: All patients diagnosed with CF and without prior lung transplantation were invited to complete knowledge and self-reported medication adherence questionnaires during routine outpatient visits to the Adult CF Clinic, St Paul's Hospital, Vancouver, Canada from June 2013 to August 2014...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28403818/srnas-as-possible-regulators-of-retrotransposon-activity-in-cryptococcus-gattii-vgii
#15
Patrícia Aline Gröhs Ferrareze, Rodrigo Silva Araujo Streit, Francine Melise Dos Santos, Augusto Schrank, Livia Kmetzsch, Marilene Henning Vainstein, Charley Christian Staats
BACKGROUND: The absence of Argonaute genes in the fungal pathogen Cryptococcus gattii R265 and other VGII strains indicates that yeasts of this genotype cannot have a functional RNAi pathway, an evolutionarily conserved gene silencing mechanism performed by small RNAs. The success of the R265 strain as a pathogen that caused the Pacific Northwest and Vancouver Island outbreaks may imply that RNAi machinery loss could be beneficial under certain circumstances during evolution. As a result, a hypermutant phenotype would be created with high rates of genome retrotransposition, for instance...
April 12, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28402913/the-impacts-of-decision-uncertainty-on-municipal-solid-waste-management
#16
Atousa Soltani, Rehan Sadiq, Kasun Hewage
Municipal solid waste treatment options are not necessarily pragmatic if the stakeholders in the system don't mutually agree on their shares of liabilities. Stakeholders will select an option if their benefits are maximized and costs are minimized. A decision support framework is required to assess various waste treatment options and predict the optimal decision, considering multiple criteria and conflicting preferences of multiple stakeholders. Because of the inherent complexity, uncertainty is unavoidable and should be acknowledged to enhance the reliability in the decision-making process...
April 9, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28401348/ultrapulsed-fractional-ablative-carbon-dioxide-laser-treatment-of-hypertrophic-burn-scars-evaluation-of-an-in-patient-controlled-standardized-treatment-approach
#17
Julian Poetschke, Ulf Dornseifer, Matteo Tretti Clementoni, Markus Reinholz, Hannah Schwaiger, Stephanie Steckmeier, Thomas Ruzicka, Gerd G Gauglitz
In this study, we aimed to quantify the effects of fractional ablative carbon dioxide laser therapy in the treatment of widespread hypertrophic burn scars. While many different pilot studies have described the potential of the technology and expert groups and current guidelines, alike, recommend its use, the level of evidence for the efficacy of fractional CO2-laser treatment for burn scars is currently very low. Ten patients (three male, seven female) with hypertrophic burn scars were treated with a single course of fractional CO2-laser therapy in an in-patient controlled setup, using a standardized treatment paradigm...
April 12, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28399488/intentional-cannabis-use-to-reduce-crack-cocaine-use-in-a-canadian-setting-a-longitudinal-analysis
#18
M Eugenia Socías, Thomas Kerr, Evan Wood, Huiru Dong, Stephanie Lake, Kanna Hayashi, Kora DeBeck, Didier Jutras-Aswad, Julio Montaner, M-J Milloy
BACKGROUND: No effective pharmacotherapies exist for the treatment of crack cocaine use disorders. Emerging data suggests that cannabinoids may play a role in reducing cocaine-related craving symptoms. This study investigated the intentional use of cannabis to reduce crack use among people who use illicit drugs (PWUD). METHODS: Data were drawn from three prospective cohorts of PWUD in Vancouver, Canada. Using data from participants reporting intentional cannabis use to control crack use, we used generalized linear mixed-effects modeling to estimate the independent effect of three pre-defined intentional cannabis use periods (i...
April 4, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28395672/neighborhood-walkability-physical-activity-and-walking-for-transportation-a-cross-sectional-study-of-older-adults-living-on-low-income
#19
Anna M Chudyk, Heather A McKay, Meghan Winters, Joanie Sims-Gould, Maureen C Ashe
BACKGROUND: Walking, and in particular, outdoor walking, is the most common form of physical activity for older adults. To date, no study investigated the association between the neighborhood built environment and physical activity habits of older adults of low SES. Thus, our overarching aim was to examine the association between the neighborhood built environment and the spectrum of physical activity and walking for transportation in older adults of low socioeconomic status. METHODS: Cross-sectional data were from the Walk the Talk Study, collected in 2012...
April 10, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28394732/impact-of-a-brief-addiction-medicine-training-experience-on-knowledge-self-assessment-among-medical-learners
#20
Jan Klimas, Keith Ahamad, Christoper Fairgrieve, Mark McLean, Annabel Mead, Seonaid Nolan, Evan Wood
BACKGROUND: Implementation of evidence-based approaches to the treatment of various substance use disorders is needed to tackle the existing epidemic of substance use and related harms. Most clinicians, however, lack knowledge and practical experience with these approaches. Given this deficit, the authors examined the impact of an inpatient elective in addiction medicine amongst medical trainees on addiction-related knowledge and medical management. METHODS: Trainees who completed an elective with a hospital-based Addiction Medicine Consult Team (AMCT) in Vancouver, Canada, from May 2015 to May 2016, completed a 9-item self-evaluation scale before and immediately after the elective...
February 21, 2017: Substance Abuse
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