Publications by authors named "Matheson K"

The Icelandic Prevention Model (IPM) is a sequential 10-step community-driven collaborative intervention that is designed to support the prevention of substance use in youth by establishing healthy developmental contexts. The IPM has been implemented across Iceland for over 20 years and is now being implemented in other countries. Recognizing the need to explore how to adapt the IPM to new contexts and document the implementation of the model, this paper describes a process evaluation of the first three steps of the IPM within a Canadian rural community to capture experiences during the early development.

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Background: The Truth and Reconciliation Commission of Canada called upon health professional programs to teach about historical and on-going colonalism. Since these calls to action, there has been an increase in educational opportunities on the topic. Although it is generally assumed that learning about colonialism will reduce racism and improve allyship towards Indigenous Peoples, an evaluation of this assumption is needed.

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The Canadian province of Nova Scotia recently became the first North American jurisdiction to implement deemed consent for deceased organ donation as part of a comprehensive legislative reform of their donation and transplantation system. This study will examine the performance metrics and effectiveness of this policy in comparison with other Canadian provinces via a natural experiment evaluation. We will use a cross-sectional controlled interrupted time series quasi-experimental design.

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Despite the emerging body of literature on the benefits of youth peer support, there is also evidence that peer support can have unintended negative impacts on peers themselves. It is important to explore what aspects of the peer role contribute to these difficulties in order to mitigate risks. This paper uses a participatory approach to examine the unique attributes of youth peer practice and the related challenges.

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Purpose: This study evaluated screening tasks able to identify children with medical conditions or disabilities who may benefit from physical literacy.

Method: Children completed ≤20 screening tasks during their clinic visit and then the Canadian Assessment of Physical Literacy (2nd edition) at a separate visit. Total Canadian Assessment of Physical Literacy scores <30th percentile were categorized as potentially needing physical literacy support.

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Introduction: Stemming from a stress appraisal and coping perspective, the present investigation developed a methodology for assessing how individuals appraise abusive dating relationship conflicts (Study 1) and the implications of such appraisals for informing coping responses to abusive interactions (Study 2).

Methods: Participants ranging in age from 17 to 29 years (Study 1: 102 males, 339 females; Study 2: 88 males, 362 females) completed a survey in which they were presented with a series of 10 scenarios that conveyed relationship conflict cues that were ostensibly aligned with various forms of psychological abuse.

Results: Factor analyses indicated that blatant actions conducted in privacy were differentiated from more ambiguous public forms of psychological abuse, in that the latter were appraised by both males and females as abusive.

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Background: Peer support relates to the provision of social/emotional support that is delivered by individuals with lived experience of a key characteristic that is shared with clients. Although the main objective of peer support is to enhance client outcomes, through their involvement, peers derive a secondary benefit to their own personal development. This study applied a hybrid participatory-realist approach to identify what works, for whom, why and in what circumstances within the LOFT Transitional Age Youth (TAY) peer services.

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Background: Electrical lead abnormalities (ELAs) can result in device malfunction, leading to significant morbidity in patients with cardiac implantable electronic devices (CIEDs).

Objective: We sought to determine the prevalence and management of ELAs in patients with CIEDs.

Methods: This was a retrospective cohort study of patients implanted with a CIED between 2012 and 2019 at a tertiary care center.

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Background: Implantable cardioverter-defibrillators (ICDs) reduce mortality in patients with reduced left ventricular ejection fraction (LVEF). We investigated sex disparities in a contemporary Canadian population for utilization of primary prevention ICDs.

Methods: This was a retrospective cohort study on patients with reduced LVEF admitted to hospitals from 2010 to 2020 in Nova Scotia (population = 971,935).

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Background: Addressing the Truth and Reconciliation Calls to Action on including anti-racism and cultural competency education is acknowledged within many health professional programs. However, little is known about the effects of a course related to Indigenous Peoples and colonialism on learners' beliefs about the causes of inequities and intergroup attitudes.

Methods: A total of 335 learners across three course cohorts (in 2019, 2020, 2022) of health professional programs (e.

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Indigenous education curriculum has been implemented in health professional programs as a potential solution to addressing commonly held false beliefs, as well as negative social attitudes and behaviours. As such it is important to map and analyze the current literature on educational initiatives that teach about historical and ongoing colonialism as a determinant of health to identify commonly used theoretical frameworks and outcomes assessed, as well as the intended and unintended short- and long-term outcomes on health professional learner's beliefs, attitudes and behaviours. This scoping review follows the framework by (Peters et al.

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The COVID-19 pandemic has been linked with increased reports of depression, anxiety, and stress. Stay-at-home directives during the pandemic-imposed lifestyle changes, including eating and sedentary behaviors that can further undermine mental health outcomes. Physical activity is a vital component for metabolic health, as well as for mental health by serving as an active coping strategy to manage stress and promote resilience.

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Purpose: Infant and young childhood medulloblastoma (iMB) is usually treated without craniospinal irradiation (CSI) to avoid neurocognitive late effects. Unfortunately, many children relapse. The purpose of this study was to assess salvage strategies and prognostic features of patients with iMB who relapse after CSI-sparing therapy.

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Purpose: This research examines the implementation of the Icelandic Prevention Model (IPM) in Canada to identify opportunities revealed by the COVID-19 pandemic to re-design our social eco-system to promote wellbeing. This paper has two objectives: 1) to provide a conceptual review of research that applies the bioecological model to youth substance use prevention with a focus on the concepts of time and physical space use and 2) to describe a case study that examines the implementation of the IPM in Canada within the context of the COVID-19 pandemic.

Method: Study data were collected through semi-structured qualitative interviews with key stakeholders involved in implementing the IPM.

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Background: Youth peer support, as a practice that aligns youth engagement and participatory approaches, has become increasingly popular in the context of youth mental health services. However, there is a need for more evidence that describes how and why youth peer support practice might be effective. This study was designed to examine a peer support service for youth experiencing complex challenges with mental health, physical health and/or substance use to better understand key features and underlying mechanisms that lead to improved client outcomes.

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Loneliness has been described as endemic among young people. Such feelings of social isolation 'even in a crowd' are likely linked to adverse early life experiences that serve to diminish perceptions of social support and intensify negative social interactions. It was suggested in the present series of survey studies that childhood abuse, which compromises a child's sense of safety in relationships, may affect social processes that contribute to loneliness in young adulthood.

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Background: A comprehensive review and description of the clinical features that impact prognosis for patients with diffuse hemispheric glioma, H3 G34-mutant (G34-DHG) is needed. Understanding survival and prognostic features is paramount for clinical advancements and patient care.

Methods: PubMed, Embase, and Google Scholar were searched for English articles published between January 1, 2012 and June 30, 2021.

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The SCREEN study investigated screening eligibility and survival outcomes between heavy smokers and light-or-never-smokers with lung cancer to determine whether expanded risk factor analysis is needed to refine screening criteria. SCREEN is a retrospective study of 917 lung cancer patients diagnosed between 2005 and 2018 in Nova Scotia, Canada. Screening eligibility was determined using the National Lung Screening Trial (NSLT) criteria.

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The well-being of Indigenous peoples continues to be affected by intergenerational effects of numerous harmful government policies, which are considered root causes for bullying and cyberbullying that exist in some communities. Despite ongoing stressors, Indigenous youth demonstrate resilience, which often appears grounded in connecting to their cultural identities and traditional practices. However, few studies have tested the direct and stress-buffering role of various aspects of culture in relation to well-being among First Nations youth.

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Background: Mortality remains a substantial problem after acute ischemic stroke, despite advances in acute stroke treatment over the past three decades. Mortality is particularly high among patients with Total Anterior Circulation Stroke (TACS), generally representing patients with middle cerebral artery occlusions. Notably however, these patients also stand to benefit most from new therapies including endovascular thrombectomy (EVT).

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Objective: Cognitive impairment is common in patients with SLE but the cause is unknown. The current cross-sectional study examined the association between select SLE-related autoantibodies, other serological biomarkers and extensive blood-brain barrier (BBB) leakage in patients with SLE with and without cognitive impairment. In addition, we determined whether the relationship between SLE autoantibodies, other biomarkers and cognitive impairment differed depending on the presence or absence of concurrent extensive BBB leakage.

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Objective: Extensive blood-brain barrier (BBB) leakage has been linked to cognitive impairment in SLE. This study aimed to examine the associations of brain functional connectivity (FC) with cognitive impairment and BBB dysfunction among patients with SLE.

Methods: Cognitive function was assessed by neuropsychological testing (n = 77).

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Aim: Given the concerns for mental health (MH) impacts on children and adolescents during the COVID-19 pandemic, as well as the relative paucity of research in this field, this retrospective study compares the rate of paediatric inpatient MH admissions for psychosis for a period of 11 months before and during the pandemic.

Methods: We used administrative data to compare the rate and clinical characteristics of patients (<18 years) admitted to a psychiatric inpatient unit for a psychotic illness before (March 17, 2019 to February 17, 2020) and during (March 17, 2020 to February 17, 2021) the COVID-19 pandemic.

Results: Results showed a 66% increase in inpatient psychosis admissions from pre-pandemic rates.

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