Publications by authors named "McKay S"

Background: Using dietary interventions to steer the metabolic output of the gut microbiota towards specific health-promoting metabolites is often challenging due to interpersonal variation in treatment responses.

Methods: In this study, we combined the ex vivo SIFR (Systemic Intestinal Fermentation Research) technology with untargeted metabolite profiling to investigate the impact of carrot-derived rhamnogalacturonan-I (cRG-I) on ex vivo metabolite production by the gut microbiota of 24 human adults.

Results: The findings reveal that at a dose equivalent to 1.

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Vancomycin-resistant Staphylococcus aureus (VRSA) is a rare but serious public health concern. We describe a VRSA case in North Carolina, USA. The isolate from the case belonged to the USA600 lineage and clonal complex 45.

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  • The study aims to compare the occurrence of severe Primary Graft Dysfunction (PGD) in heart transplant recipients from donors after circulatory death (DCD) versus brain death (DBD).
  • Out of 2,590 adult heart transplant recipients analyzed, 17.1% were from DCD, with DCD recipients showing a higher rate of severe PGD at 24 hours post-transplant compared to DBD recipients (9.5% vs. 5.1%).
  • While the 72-hour severe graft dysfunction rates and 30-day mortality were similar for both groups, PGD rates improved significantly by the 72-hour mark for all recipients.
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Background: Pediatric firearm injuries disproportionately affect groups experiencing socioeconomic disadvantage. Firearm injuries increased during the COVID-19 pandemic, but the impact on communities by degree of socioeconomic disadvantage is unknown. We examined the association between socioeconomic vulnerability and change in pediatric firearm injuries before versus during the pandemic.

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Home and community care (HCC) nurses experienced increased occupational challenges during the COVID-19 pandemic, including increased workloads, job stressors, and occupational risks, like virus exposure. The objective of this study was to elucidate what factors influenced nurses' decisions to stay in their role, take a temporary leave, or exit HCC during the COVID-19 pandemic. A secondary analysis of data collected using a cross-sectional online open survey distributed among HCC Registered Practical Nurses across Ontario between June and September 2022 was conducted.

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We present a resonant-mode, transverse-field, radio-frequency (rf) neutron spin flipper design that uses high-temperature superconducting films to ensure sharp transitions between uniform magnetic field regions. Resonant mode allows for low-power, high-frequency operation but requires strict homogeneity of the magnetic fields inside the device. This design was found to efficiently flip neutrons at 96.

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  • The World Health Organization and CDC have set goals for eliminating hepatitis C virus (HCV) by 2030, but the U.S. is falling short due to various barriers such as lack of awareness, misinformation, and treatment accessibility issues.
  • The objective of the study was to create a high-quality educational app aimed at improving knowledge about HCV testing and treatment among patients and healthcare workers, featuring five interactive learning modules.
  • The app was tested with 561 users, with over a third engaging with the training modules, where many spent significant time learning about HCV, indicating an interest in improving knowledge on the disease and its treatment process.
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: and are proto-oncogenes that are strictly regulated in healthy cells that have key roles in several processes such as cell growth, proliferation, differentiation, or apoptosis. These genes are tightly interconnected, and their dysregulation can lead to cancer progression. We previously individually targeted these oncogenes using Polypurine Reverse Hoogsteen (PPRH) hairpins, mostly targeting the complementary strand of G-quadruplex-forming sequences.

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To describe the resilience and emotional intelligence of Registered Practical Nurses working in Home and Community Care during the COVID-19 pandemic. Specifically, to determine if there was a relationship between resilience and emotional intelligence based on whether a nurse: (1) left the sector, (2) considered leaving, or (3) took a leave of absence during the pandemic. An online cross-sectional survey was used to capture respondents' demographic information and scores on the Connor-Davidson Resilience Scale, Resilience at Work Scale, and Wong and Law Emotional Intelligence Scale.

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Background/objective: The purpose of this study was to investigate the impact of the COVID-19 pandemic on mortality rates in a community-dwelling spinal cord injury (SCI) population in Ontario.

Methods: Using health administrative databases, monthly mortality rates were evaluated pre-pandemic, during the pandemic, and post-pandemic from March 2014 to May 2024. Data were stratified by sex, injury etiology, and mental health status.

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and are frequent causes of healthcare-associated infections. Antimicrobial-resistant enterococci pose a serious public health threat, particularly vancomycin-resistant enterococci (VRE), for which treatment options are limited. The Centers for Disease Control and Prevention's Division of Healthcare Quality Promotion Sentinel Surveillance system conducted surveillance from 2018 to 2019 to evaluate antimicrobial susceptibility profiles and molecular epidemiology of 205 and 180 clinical isolates collected from nine geographically diverse sites in the United States.

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  • Type 1 diabetes (T1D) management can be tough for young adults transitioning from pediatric to adult healthcare, as they face both health care challenges and typical life changes.
  • * The DiaBetter Together study aims to assess a 12-month intervention where Peer Mentors guide young adults (ages 17-25) through this transition, focusing on healthcare navigation and self-management skills.
  • * The trial measures primary outcomes like HbA1c levels and secondary outcomes such as the time taken to switch to adult care and overall psychosocial well-being.
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Red foxes (Vulpes vulpes) are found throughout the United Kingdom (UK), and can reach high population densities in urban areas. They are often infested with ticks which may carry tick-borne pathogens, leading to a risk of transmission to domestic animals and humans. This study investigated the prevalence of tick-borne pathogens in ticks sourced from red fox carcasses across Great Britain between 2018 and 2022.

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  • - The study focuses on the molecular characteristics of non-tuberculous mycobacteria (NTM) that can cause infections outside of the lungs, detailing a collection of 45 extrapulmonary isolates over a span of six months from various sites.
  • - Key findings revealed that the most frequently isolated species were Mycobacterium avium, Mycobacterium chelonae, and Mycobacterium fortuitum, with significant variations in sequence types and the presence of antimicrobial resistance genes in some isolates.
  • - The research emphasizes the need for ongoing surveillance to monitor the prevalence and resistance patterns of NTM, helping to identify emerging strains and improve understanding of their virulence factors.
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Background: Minimally invasive surgical necrosectomy plays an important role in the management of infected pancreatic necrosis, with a goal of removing debris and debriding necrotic tissue. Pulse lavage is designed to simultaneously hydrostatically debride and remove the infected necrotic tissue with suction. It is also able to remove significant amounts of debris without traumatic manipulation of the necrotic tissue which may be adherent to surrounding tissue and can result in injury.

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Background: The context of practice is often not explicit in the discourse around the personal and professional resilience of nurses. The unique factors related to providing nursing care in home and community care may provide novel insight into the resilience of this health workforce. Therefore, this research addressed how nurses build and maintain resilience working in the home and community care sector.

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Genomic selection and extensive use of a few elite bulls through artificial insemination are leading to reduced genetic diversity in Jersey cattle. Conservation of genetic diversity through gene banks can protect a breed's genetic diversity and genetic gain, ensuring continued genetic advancement in the future. The availability of genomic information in the US National Animal Germplasm Program (NAGP) facilitates characterization of Jersey bulls in the germplasm collection.

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  • Tibial tubercle fractures (TTFs) are rare, making up less than 3% of all proximal tibial fractures, and can sometimes occur alongside patellar tendon injuries (PTIs).
  • A study analyzed data from 2012 to 2023 at a children's hospital, focusing on demographic factors and injury patterns among 252 patients with 262 TTFs.
  • Results showed that fragment rotation and Ogden Type-I classification were significantly associated with combined TTF and PTI, helping surgeons in preoperative assessments.
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As the Canadian population ages, the imperative to support aging in the community grows increasingly urgent. In this commentary, we build on Kokorelias et al.'s (2024) article to address the ethically appropriate role of digital technologies in supporting aging at home.

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Penetrating oropharyngeal injury is a relatively common occurrence in pediatric patients; however, cases involving close proximity to critical vascular structures, such as the internal carotid artery (ICA), are exceedingly rare and pose significant risks. This case report describes a seven-year-old male who sustained penetrating oropharyngeal trauma with startling proximity to the ICA after being pushed into a locker with a pencil in his mouth. Initial evaluation showed the wooden pencil protruding from the soft palate without active bleeding.

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  • MRI is used to assess retears of treated lateral menisci, specifically in children with both discoid and non-discoid forms.
  • Out of 288 patients treated between 2018 and 2023, 20 experienced isolated retears, with 11 cases involving discoid meniscus and 10 non-discoid.
  • MRI accurately identified 81.8% of DLM retears and 100% of non-DLM, suggesting it is effective for diagnosing meniscal retears, but highlights the importance of noting residual discoid elements in DLM cases.
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Persons with disabilities experience numerous barriers to healthcare access including vaccine accessibility. The purpose of this study was to determine COVID-19 vaccine uptake in the spinal cord injury and disease (SCI/D) population of Ontario and identify potential factors influencing C OVID-19 vaccine uptake. This was a retrospective closed-cohort study using administrative health data on individuals with SCI/D of traumatic and non-traumatic causes to examine the monthly number of COVID-19 vaccine doses received between December 2020 and December 2023.

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