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https://www.readbyqxmd.com/read/28817947/mortality-and-health-service-use-following-acute-myocardial-infarction-among-persons-with-hiv-a-population-based-study
#1
Caroline Jeon, Cindy Lau, Claire E Kendall, Ann N Burchell, Ahmed M Bayoumi, Mona Loutfy, Sean Rourke, Tony Antoniou
Background People with HIV have higher rates of acute myocardial infarction (AMI) than HIV-negative individuals. We compared mortality risk and health service use following AMI among people with and without HIV between January 1, 2002 and March 31, 2015. Methods We conducted a population-based study using Ontario's administrative databases. Our primary outcomes were risk of inpatient death and death at 30 days following hospital discharge. In secondary analyses, we compared use of revascularization procedures within 90 days of AMI, as well as readmission or emergency department visits for heart disease and cardiology follow-up within 90 days of discharge...
August 17, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28802381/diagnosing-subtle-palatal-anomalies-validation-of-video-analysis-and-assessment-protocol-for-diagnosing-occult-submucous-cleft-palate
#2
Ryan Rourke, Seth M Weinberg, Mary L Marazita, Noel Jabbour
INTRODUCTION: Submucous cleft palate (SMCP) classically involves bifid uvula, zona pellucida, and notched hard palate. However, patients may present with more subtle anatomic abnormalities. The ability to detect these abnormalities is important for surgeons managing velopharyngeal dysfunction (VPD) or considering adenoidectomy. OBJECTIVES: Validate an assessment protocol for diagnosis of occult submucous cleft palate (OSMCP) and identify physical examination features present in patients with OSMCP in the relaxed and activated palate positions...
September 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28796266/impact-of-sequential-surface-modification-of-graphene-oxide-on-ice-nucleation
#3
Caroline I Biggs, Christopher Packer, Steven Hindmarsh, Marc Walker, Neil R Wilson, Jonathan P Rourke, Matthew I Gibson
Base-washed graphene-oxide which has been sequentially-modified by thiol-epoxy chemistry, results in materials with ice-nucleation activity. The role of hydro-philic/phobic grafts and polymers was evaluated with the most potent functioning at just 0.25 wt%. These 2-D hybrid materials may find use in cryopreservation and fundamental studies on ice formation.
August 10, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28780292/editorial-comment
#4
Keith Rourke
No abstract text is available yet for this article.
August 2, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28768289/%C3%AE-adrenergic-receptor-stimulated-cardiac-myocyte-apoptosis-role-of-cytochrome-p450-%C3%AF-hydroxylase
#5
Shan Jiang, Dan Huo, Xueying Wang, Huan Zhao, Jiang Tan, Qinghua Zeng, Stephen T OʼRourke, Chengwen Sun
Prolonged or excessive β-adrenergic activation leads to cardiac myocyte loss and heart dysfunction; however, the underlying cellular mechanisms are still unclear. Therefore, we first confirmed the effect of isoproterenol (ISO), a β-adrenergic receptor agonist, on cardiac toxicity using TUNEL and caspase activity assays in cultured rat cardiomyocytes. ISO treatment significantly increased cardiomyocyte apoptosis. Persistent ISO stimulation of cardiomyocytes also increased the expression of CYP4A3, a major CYP450 ω-hydroxylase that produces 20-hydroxyeicosatetraenoic acid (20-HETE) in a time-dependent manner...
August 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28746373/zika-virus-preferentially-replicates-in-the-female-reproductive-tract-after-vaginal-inoculation-of-rhesus-macaques
#6
Timothy Carroll, Ming Lo, Marion Lanteri, Joseph Dutra, Katie Zarbock, Paola Silveira, Tracy Rourke, Zhong-Min Ma, Linda Fritts, Shelby O'Connor, Michael Busch, Christopher J Miller
Zika virus (ZIKV) is a mosquito-transmitted virus that can cause severe defects in an infected fetus. ZIKV is also transmitted by sexual contact, although the relative importance of sexual transmission is unclear. To better understand the role of sexual transmission in ZIKV pathogenesis, a nonhuman primate (NHP) model of vaginal transmission was developed. ZIKV was readily transmitted to mature cycling female rhesus macaque (RM) by vaginal inoculation with 104-106 plaque-forming units (PFU). However, there was variability in susceptibility between the individual RM with 1->8 vaginal inoculations required to establish infection...
July 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28709471/acceptability-and-design-preferences-of-supervised-injection-services-among-people-who-inject-drugs-in-a-mid-sized-canadian-city
#7
Sanjana Mitra, Beth Rachlis, Ayden Scheim, Geoff Bardwell, Sean B Rourke, Thomas Kerr
BACKGROUND: Supervised injection services (SIS) have been shown to reduce the public- and individual-level harms associated with injection drug use. While SIS feasibility research has been conducted in large urban centres, little is known about the acceptability of these services among people who inject drugs (PWID) in mid-sized cities. We assessed the prevalence and correlates of willingness to use SIS as well as design and operational preferences among PWID in London, Canada. METHODS: Between March and April 2016, peer research associates administered a cross-sectional survey to PWID in London...
July 14, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28700406/the-use-of-multistate-models-to-examine-associations-of-stress-and-adherence-with-transitions-among-hiv-care-states-observed-in-a-clinical-hiv-cohort
#8
Sandra Blitz, Tony Antoniou, Ann Burchell, Sharon Walmsley, Lucia Light, Sandra Gardner, Sean Rourke, Curtis Cooper, Claire Kendall, Mona Loutfy, Anita Rachlis, Wendy Wobeser, Anita Benoit, Janet Raboud
BACKGROUND: The "cascade of care" is a framework for quantifying the trajectory of people with HIV along the continuum of HIV care. We extended this framework to recognize that individuals may transition back and forth between states of care and to identify factors associated with movement among states of care over time, with particular focus on stress, depression and adherence. METHODS: The Ontario HIV Treatment Network Cohort Study is a multisite HIV clinical cohort...
July 3, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28678619/high-retention-in-hiv-care-at-a-tertiary-care-centre-in-toronto-canada
#9
Leah Szadkowski, Sharon Walmsley, Ann N Burchell, Evan Collins, Sean B Rourke, Janet Raboud
Poor retention in HIV care is associated with poor clinical outcomes and mortality. Previous studies of predictors of poor retention have been conducted with a wide variety of populations, using different measures of retention, and occasionally have conflicting results. We studied demographic and psychosocial factors associated with inter-visit interval length in a setting of universal health care and modern cART. Patients attending ≥2 appointments with an HIV specialist at the Toronto General Hospital Immunodeficiency Clinic from 2004 to 2013 were studied...
July 5, 2017: AIDS Care
https://www.readbyqxmd.com/read/28669198/pathological-and-microbiological-investigations-into-cases-of-bacterial-chondronecrosis-and-osteomyelitis-in-broiler-poultry
#10
Dinidu S Wijesurendra, Anthony Neal Chamings, Rhys Nathan Bushell, Denise O' Rourke, Mark Stevenson, Marc Serge Marenda, Amir H Noormohammadi, Andrew Stent
Bacterial chondronecrosis and osteomyelitis (BCO) is increasingly recognized as a major cause of lameness in commercial broilers chickens worldwide, but the pathogenesis of the condition is incompletely understood. This was a longitudinal study of 20 commercial broiler farms in Victoria, Australia, to investigate the aetiology and pathology of BCO. Thorough postmortem examination was performed on culled and dead birds (n = 325) from 20 different flocks at either 1 week, 4 weeks or 5 weeks of age and samples were analysed by conventional bacteriology, molecular identification of infectious organisms detected, serology and histopathology...
August 16, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28643553/renal-dysfunction-and-chronic-kidney-disease-in-ischemic-stroke-and-transient-ischemic-attack-a-population-based-study
#11
Derek Hayden, Christine McCarthy, Layan Akijian, Elizabeth Callaly, Danielle Ní Chróinín, Gillian Horgan, Lorraine Kyne, Joseph Duggan, Eamon Dolan, Killian O' Rourke, David Williams, Sean Murphy, Yvonne O'Meara, Peter J Kelly
Background and purpose The prevalence of chronic kidney disease (estimated glomerular filtration rate (eGFR) <60 mL/min per 1.73 m(2) for ≥3 months, chronic kidney disease (CKD)) in ischemic stroke and transient ischemic attack (TIA) is unknown, as estimates have been based on single-point estimates of renal function. Studies investigating the effect of renal dysfunction (eGFR < 60 mL/min per 1.73 m(2), renal dysfunction) on post-stroke outcomes are limited to hospitalized cohorts and have provided conflicting results...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28624554/outcomes-of-urethroplasty-to-treat-urethral-strictures-arising-from-artificial-urinary-sphincter-erosions-and-rates-of-subsequent-device-replacement
#12
Sorena Keihani, Jason C Chandrapal, Andrew C Peterson, Joshua A Broghammer, Nathan Chertack, Sean P Elliott, Keith F Rourke, Nejd F Alsikafi, Jill C Buckley, Benjamin N Breyer, Thomas G Smith, Bryan B Voelzke, Lee C Zhao, William O Brant, Jeremy B Myers
OBJECTIVE: To evaluate the success of urethroplasty for urethral strictures arising after erosion of an artificial urinary sphincter (AUS) and rates of subsequent AUS replacement. PATIENTS AND METHODS: From 2009-2016, we identified patients from the Trauma and Urologic Reconstruction Network of Surgeons and several other centers. We included patients with urethral strictures arising from AUS erosion undergoing urethroplasty with or without subsequent AUS replacement...
June 15, 2017: Urology
https://www.readbyqxmd.com/read/28621653/increased-mortality-among-indigenous-persons-in-a-multisite-cohort-of-people-living-with-hiv-in-canada
#13
MULTICENTER STUDY
Anita C Benoit, Jaime Younger, Kerrigan Beaver, Randy Jackson, Mona Loutfy, Renée Masching, Tony Nobis, Earl Nowgesic, Doe O'Brien-Teengs, Wanda Whitebird, Art Zoccole, Mark Hull, Denise Jaworsky, Elizabeth Benson, Anita Rachlis, Sean B Rourke, Ann N Burchell, Curtis Cooper, Robert S Hogg, Marina B Klein, Nima Machouf, Julio S G Montaner, Chris Tsoukas, Janet Raboud
OBJECTIVE: Compare all-cause mortality between Indigenous participants and participants of other ethnicities living with HIV initiating combination antiretroviral therapy (cART) in an interprovincial multi-site cohort. METHODS: The Canadian Observational Cohort is a collaboration of 8 cohorts of treatment-naïve persons with HIV initiating cART after January 1, 2000. Participants were followed from the cART initiation date until death or last viral load (VL) test date on or before December 31, 2012...
June 16, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/28605141/anti-ena-antibody-profiles-in-patients-with-hepatitis-c-virus-infection
#14
Christine M Litwin, Angela R Rourk
BACKGROUND: The presence of antinuclear antibodies (ANA) has been described following hepatitis C virus (HCV). Very few studies have investigated the presence of anti-extractable nuclear antigens (ENA) in HCV infection. METHODS: The aim of this study was to assess the prevalence of ENA antibodies in 100 patients with HCV infection compared to the prevalence of ENA antibodies in 100 healthy control patients. Sera from patients were tested for ENA using a multiplex microbead immunoassay...
June 12, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28578739/improving-team-based-care-for-children-shared-well-child-care-involving-family-practice-nurses
#15
Grace Warmels, Sharon Johnston, Jolanda Turley
INTRODUCTION: Well child care (WCC) is the provision of routine preventative care and vaccinations to infants and children. In Canada, physicians provide the majority of this type of care, whereas in other developed countries, nurses provide most WCC. New models of shared care between nurses and family physicians should be explored. OBJECTIVE: This pilot project aimed to evaluate the feasibility and acceptability of shared nurse-physician WCC for a cohort of healthy children...
June 5, 2017: Primary Health Care Research & Development
https://www.readbyqxmd.com/read/28535118/connecting-the-dots-an-ecological-lens-to-preventive-measures-for-adverse-childhood-experiences
#16
Martha Traverso-Yepez, Leslie Rourke, Sandra Luscombe
Adversity in early childhood may have a profound impact on physical and mental health as well as general well-being later in life. Despite increasing research evidence on the lifelong impact of adverse experiences, one of the key questions that motivated this research was how to translate this knowledge into preventive measures. This article presents data from an exploratory study aimed to explore strategies and effective practices to prevent adverse experiences in early childhood. An ecological framework organized participants' suggested actions, highlighting the importance of proactive, multifaceted approaches and interventions that connect the child to the background environment where adversity takes place...
2017: Social Work in Public Health
https://www.readbyqxmd.com/read/28527833/evaluation-of-the-sipat-instrument-to-assess-psychosocial-risk-in-heart-transplant-candidates-a-retrospective-single-center-study
#17
Elizabeth Vandenbogaart, Lynn Doering, Belinda Chen, Ann Saltzman, Tamara Chaker, Julie W Creaser, Darlene Rourke, Richard W Cheng, Gregg C Fonarow, Mario Deng
OBJECTIVES: We evaluated the reliability of the Stanford Integrated Psychosocial Assessment for Transplantation (SIPAT) in heart transplant (HT) recipients and explored its usefulness in predicting post-transplant outcomes. BACKGROUND: Pre-transplant psychosocial and behavioral risk is associated with post-transplant clinical outcomes. SIPAT is a risk assessment tool created for pre-transplant psychosocial evaluation. METHODS: Via retrospective chart review, three examiners applied the SIPAT to 51 adult HT recipients...
July 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/28498847/paradoxical-myeloid-derived-suppressor-cell-reduction-in-the-bone-marrow-of-siv-chronically-infected-macaques
#18
Yongjun Sui, Blake Frey, Yichuan Wang, Rolf Billeskov, Shweta Kulkarni, Katherine McKinnon, Tracy Rourke, Linda Fritts, Christopher J Miller, Jay A Berzofsky
Myeloid derived suppressor cells (MDSCs), which suppress anti-tumor or anti-viral immune responses, are expanded in the peripheral blood and tissues of patients/animals with cancer or viral infectious diseases. We here show that in chronic SIV infection of Indian rhesus macaques, the frequency of MDSCs in the bone marrow (BM) was paradoxically and unexpectedly decreased, but increased in peripheral blood. Reduction of BM MDSCs was found in both CD14+MDSC and Lin-CD15+MDSC subsets. The reduction of MDSCs correlated with high plasma viral loads and low CD4+ T cell counts, suggesting that depletion of BM MDSCs was associated with SIV/AIDS disease progression...
May 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28483575/independent-predictors-of-stricture-recurrence-following-urethroplasty-for-isolated-bulbar-urethral-strictures
#19
David Chapman, Adam Kinnaird, Keith Rourke
PURPOSE: To evaluate pre-operative risk factors associated with stricture recurrence in a large, homogenous series of bulbar urethroplasties. MATERIALS AND METHODS: 596 patients undergoing isolated bulbar urethroplasty at a single center from August 2003 to June 2015 were analyzed. Urethroplasty failure was defined as stricture <16Fr identified on cystoscopy with a minimum of 12 months follow-up. Potential risk factors examined were patient age, stricture etiology, stricture length, diabetes, smoking, obesity, Charlson Comorbidity Index, previous endoscopic treatment, previous urethroplasty and type of urethroplasty...
May 5, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28471781/evaluation-of-and-feedback-for-academic-medicine-leaders-developing-and-implementing-the-memorial-method
#20
James Rourke, Stephen Bornstein, Cathy Vardy, David Speed, Tyrone White, Paula Corbett
PROBLEM: Giving and receiving honest and helpful feedback for leadership development is a common challenge in all types of organizations but particularly in academic medicine. APPROACH: At Memorial University of Newfoundland, in 2014, a consensus emerged to develop a new method for evaluating the leadership performance of the discipline chairs, dean, and vice dean, and to provide these leaders with the evaluation results to help them improve their performance. The leaders responsible for developing and implementing this method (called the Memorial Method) decided to use a survey to obtain faculty members' perceptions about their leader's performance...
May 2, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
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