Publications by authors named "Dylan Viste"

Introduction: The overdose epidemic continues to be one of the largest public health crises in Canada. Various harm reduction supports have been implemented to curb this epidemic; however, they remain concentrated within urban settings. To address this limitation, overdose response hotlines and applications (ORHA) are novel, technologybased harm reduction services that may reduce drug-related mortality for people who use substances (PWUS) living in rural communities through virtual supervised consumption.

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Objectives: The overdose epidemic continues to be one of the leading causes of death in North America and continues to contribute to high healthcare costs. Although harm reduction initiatives have significantly reduced the aforementioned costs, there is a dearth of evidence regarding overdose response hotlines and applications. We aim to evaluate the social return on investment from a payer perspective of one such overdose response hotline, Canada's National Overdose Response Service, and its implications for service users, service operators, the Canadian healthcare system, and program funders.

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Background: Overdose response technology or virtual overdose response services are an evolving complementary harm reduction intervention which may overcome certain accessibility barriers of physical supervised consumption sites (SCS) and overdose prevention sites (OPS). We sought to characterize SCS/OPS accessibility barriers among clients accessing a nationwide overdose response phone-based hotline in Canada.

Methods: We performed a retrospective cohort analysis using anonymized call logs of the National Overdose Response Service (NORS) between December 2020 to July 2023.

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Article Synopsis
  • Opioid-related deaths have surged by 96% since 2021, disproportionately affecting women and gender-diverse individuals, who face unique barriers in accessing harm reduction services like supervised consumption sites.
  • A qualitative study involved 19 interviews with individuals from these demographics in Canada, focusing on their experiences and perceptions of mobile overdose response services (MORSs).
  • The findings highlighted that MORSs were favored for their perceived safety, support for parenting concerns, accessibility for sex workers, and the importance of judgment-free, trauma-informed care, suggesting that decriminalization could further enhance service uptake.
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Virtual overdose monitoring services (VOMS) are novel technologies that allow remote monitoring of individuals while they use substances (especially those who use alone) electronically. The authors explored key partner perspectives regarding services offered by VOMS beyond overdose response with the aim of understanding the breadth and perception of the services amongst those that use these services and are impacted by them. Forty-seven participants from six key partner groups [peers who had used VOMS (25%), peers who had not used VOMS (17%), family members of peers (11%), health professionals (21%), harm reduction sector employees (15%), and VOMS operators (15%)] underwent 20-to-60-minute semi-structured telephone interviews.

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Background: Several novel overdose response technology interventions, also known as mobile overdose response services (MORS), have emerged as adjunct measures to reduce the harms associated with the drug poisoning epidemic. This retrospective observational study aims to identify the characteristics and outcomes of individuals utilizing one such service, the National Overdose Response Service (NORS).

Methods: A retrospective analysis was conducted using NORS call logs from December 2020 to April 2023 imputed by operators.

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Background: Novel strategies are required to address rising overdose deaths across the globe. We sought to identify the breadth and depth of the existing evidence around electronic harm reduction (e-harm reduction) interventions that aimed to reduce the harms associated with substance use.

Methods: We conducted a scoping review according to the PRISMA-ScR and PRISMA for Searching guidelines.

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Background: Solitary use of substances is a risk factor for substance use-related mortality. Novel e-health harm reduction interventions such as virtual overdose monitoring services (VOMS) have emerged in North America to improve access to emergency overdose support for people who use substances (PWUS). To date, little research has been published, and the perspectives of PWUS are needed to inform evaluation and policy efforts.

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Introduction: Cost-effectiveness analysis forms an integral part of the approval process for new medical treatments in Canada, including drug and non-drug technologies. This study's primary objective was to identify peer-reviewed studies that report Canadian-specific cost data for treating overactive bladder (OAB) based on the Canadian Urological Association (CUA) guideline. A secondary objective was to identify studies that report cost data from other healthcare jurisdictions that could be generalizable to the Canadian context.

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