Publications by authors named "Ian Pike"

Background: Road-related injuries and deaths are among the most significant and avoidable public health problems in Canada. Modifications to the built environment (BE) can reduce injury rates for vulnerable road users (VRUs) and other priority populations who experience disproportionate risk. This paper highlights public health professionals' experiences working in injury prevention across Ontario public health units (PHUs) navigating barriers and facilitators to BE change.

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Mass spectrometry-based sample multiplexing with isobaric tags permits the development of high-throughput and precise quantitative biological assays with proteome-wide coverage and minimal missing values. Here, we nearly doubled the multiplexing capability of the TMTpro reagent set to a 35-plex through the incorporation of one deuterium isotope into the reporter group. Substituting deuterium frequently results in suboptimal peak coelution, which can compromise the accuracy of reporter ion-based quantification.

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Article Synopsis
  • In Alzheimer's disease, amyloid beta (Aβ) triggers the cleavage of the TrkB-FL receptor, disrupting essential BDNF signaling that is crucial for neuron health and function.
  • Researchers found that TrkB-FL cleavage occurs early in the disease and worsens with increased pathology, using human samples and cerebrospinal fluid for their studies.
  • They developed a TAT-TrkB peptide that successfully prevents TrkB-FL cleavage, showing potential in improving cognitive function and synaptic issues in a mouse model of Alzheimer's, indicating it could be a safe and effective treatment option.
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Background: Burn injuries are a significant public health concern, closely linked to housing conditions and socioeconomic status. Residents in socioeconomically deprived neighbourhoods are at increased risk of exposure to hazards due to older and poorer housing conditions and limited access to fire protection measures. Individual behaviours such as substance use, smoking, and hoarding are often highlighted as primary causes of residential fires, overshadowing the broader socioeconomic and structural factors that also play a significant role in housing safety.

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The significant burden of home injuries has become a growing concern that affect thousands of people every year across Canada. This study examined the relationship between neighbourhood deprivation and unintentional injuries occurring at home leading to hospitalizations in British Columbia (BC) between 2015 and 2019. This study used de-identified hospitalization data on unintentional home-related injuries from the Discharge Abstract Database (DAD) and population data for each dissemination area from Statistics Canada's 2016 Census Profiles.

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  • COVID-19 restrictions significantly altered injury patterns in Canada, increasing rates of unintentional injuries while decreasing those in public and workplace settings.
  • A scoping review analyzed research from around the world, focusing on studies from Dec 2019 to July 2021, specifically excluding intentional injuries and previous pandemics.
  • Findings highlighted that most injuries affected males, with common causes being motor vehicle collisions, falls, and home-related accidents, while occupational injuries dropped notably.
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Background: Child-centred approaches in injury prevention emphasise the importance of practising bidirectional communications and decentring researcher-child power relations to support children's participation in research. To date, however, a dearth of scholarship offers methodological reflections on how to bolster children's feelings of comfort in discussing sensitive topics such as their injury experiences.

Goal: Drawing from lessons we learnt working with children in a low-income to mid-income neighbourhood in Vancouver, Canada, we discuss the ways in which our strategies to support their participation succeeded in, and at times fell short of, supporting their participatory needs.

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  • Improving sustainable transportation can address urban challenges like health, congestion, climate change, and inequity, but practical and political barriers exist in implementing such interventions.
  • Our research program, CapaCITY/É, will explore successful implementation of sustainable transportation initiatives in nine Canadian cities and Victoria, Australia, focusing on bicycle networks and vehicle speed management, while developing a new implementation science framework.
  • The study has ethical approval and will share its findings through a dedicated website, presentations to various audiences, and peer-reviewed publications, enhancing knowledge and training for sustainable urban development.
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  • Social determinants of health (SDH) significantly influence child health outcomes, particularly regarding accessing care and the quality of care following injuries, but this relationship has not been systematically reviewed.
  • The study will utilize Cochrane methodology to conduct a systematic review of various observational and experimental studies, analyzing factors such as race, socioeconomic status, and education that affect pediatric care after injuries.
  • The findings aim to inform clinicians and policymakers to improve care systems and ensure equitable access to quality care for children and adolescents following traumatic events.
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Background: During the COVID-19 pandemic, multiple child health experts postulated that the stay-at-home orders would negatively impact child abuse and neglect.

Objectives: We aimed to examine the impact of the COVID-19 pandemic on child abuse and neglect in children ages 18 and under; and review author recommendations for future emergency lockdown procedures.

Methods: We completed a systematic search of articles across five databases.

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Study Objective: Our primary objectives were to identify clinical practice guideline recommendations for children with acute mild traumatic brain injury (mTBI) presenting to an emergency department (ED), appraise their overall quality, and synthesize the quality of evidence and the strength of included recommendations.

Methods: We searched MEDLINE, EMBASE, Cochrane Central, Web of Science, and medical association websites from January 2012 to May 2023 for clinical practice guidelines with at least 1 recommendation targeting pediatric mTBI populations presenting to the ED within 48 hours of injury for any diagnostic or therapeutic intervention in the acute phase of care (ED and inhospital). Pairs of reviewers independently assessed overall clinical practice guideline quality using the Appraisal of Guidelines Research and Evaluation (AGREE) II tool.

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Background: The Program® () is a universal parent education program that is delivered by nurses and health care providers to all parents/caregivers of newborns in British Columbia (B.C.).

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Hypoxic-ischaemic encephalopathy (HIE) is an important cause of morbidity and mortality globally. Although mild therapeutic hypothermia (TH) may improve outcomes in selected babies, the mechanism of action is not fully understood. A proteomics discovery study was carried out to analyse proteins in the plasma of newborns with HIE.

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Background: Post-translational modification of proteins has the potential to alter the ability of T cells to recognize major histocompatibility complex (MHC) class -I and class-II restricted antigens, thereby resulting in altered immune responses. One such modification is carbamylation (homocitrullination) that results in the formation of homocitrulline (Hcit) residues in a non-enzymatic reaction of cyanate with the lysine residues in the polypeptide chain. Homocitrullination occurs in the tumor microenvironment and CD4-mediated immune responses to Hcit epitopes can target stressed tumor cells and provide a potent antitumor response in mouse models.

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  • Video analysis is valuable for monitoring injuries in rugby union but is mainly focused on male professional players, with limited studies on professional females and youth players.
  • The review highlights the benefits and drawbacks of existing video analysis research regarding injury surveillance in youth rugby.
  • It emphasizes the need for video analysis to enhance safety and welfare for young rugby players and offers recommendations for its effective use in monitoring injuries.
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(1) Background: Residential fires represent the third leading cause of unintentional injuries globally. This study aims to offer an overview and a longitudinal evaluation of the HomeSafe program implemented in Surrey in 2008 and to assess its effectiveness in mitigating fire-related outcomes. (2) Methods: Data were collected over a 12-year period (2008-2019).

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Background: Concerns regarding health equity (HE) and the built environment (BE) are well established in the Canadian urban context. Transport and injury prevention professionals across sectors, such as transportation and public health, are involved in designing and implementing BE interventions that enhance the safety of vulnerable road users (VRUs). Results from a larger study examining barriers and facilitators to BE change are used to illustrate how transport and injury prevention professionals perceive HE concerns in their work in five Canadian municipalities.

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Background: Injuries resulting from collisions between a bicyclist and driver are preventable and have high economic, personal and societal costs. Studying the language choices used by police officers to describe factors responsible for child bicyclist-motor vehicle collisions may help shift prevention efforts away from vulnerable road users to motorists and the environment. The overall aim was to investigate how police officers attribute blame in child (≤18 years) bicycle-motor vehicle collision scenarios.

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Background: Unintentional injuries are a leading cause of children's hospitalisations and death globally and are thus a pressing public health concern. Fortunately, they are largely preventable, and understanding children's perspectives on safe and dangerous outdoor play can help educators and researchers identify ways to mitigate the likelihood of their occurrence. Problematically, children's perspectives are rarely included in injury prevention scholarship.

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Objectives: This study explored how demographic characteristics, life experiences, and firefighting exposures have an impact on cancer among female firefighters, and described the types and biologic characteristics of cancers as reported by women in the fire service.

Methods: The online survey was available from June 2019 to July 2020. Questions related to demographic characteristics, lifestyle factors, firefighting exposures, and cancer diagnoses.

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  • * Researchers utilized mass spectrometry to analyze cerebrospinal fluid and plasma from both A673T carriers and non-carriers, revealing significant decreases in soluble APPβ and amyloid beta levels in carriers.
  • * In cell culture studies, the A673T variant showed the potential to lower harmful proteins associated with Alzheimer's, suggesting its important role in mitigating AD-related pathology.
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Background: Poisoning, from substances such as illicit drugs, prescribed and over-the-counter medications, alcohol, pesticides, gases and household cleaners, is the leading cause of injury-related death and the second leading cause for injury-related hospital admission in British Columbia. We examined the health and economic costs of poisoning in BC for 2016, using a societal perspective, to support public health policies aimed at minimizing losses to society.

Methods: Costs by intent, sex and age group were calculated in Canadian dollars using a classification and costing framework based on existing provincial injury data combined with data from the published literature.

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