Auteur K. HAYASHI

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Do law enforcement interactions reduce the initiation of injection drug use? An investigation in three North American settings

J. S. MELO ; R. S. GARFEIN ; K. HAYASHI ; M. J. MILLOY ; K. DEBECK ; S. SUN ; S. JAIN ; S. A. STRATHDEE ; D. WERB | 2018
Dans Drug and Alcohol Dependence (Vol.182, January 2018) Article : Périodique

Background: The prevention of drug injecting is often cited as a justification for the deployment of law enforcement and for the continuation of drug criminalization policies. We sought to characterize the impact of law enforcement interactions [...]

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Drug-related harm coinciding with income assistance payments: results from a community-based cohort of people who use drugs

L. RICHARDSON ; H. DONG ; T. KERR ; M. J. MILLOY ; K. HAYASHI | 2021
Dans Addiction (Vol.116, n°3, March 2021) Article : Périodique

BACKGROUND AND AIMS: Income assistance is critical to the health and wellbeing of socio-economically marginalized people who use illicit drugs (PWUD). However, past literature paradoxically identifies unintended increases in drug-related harm co[...]

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Hepatitis C cascade of care among people who inject drugs in Vancouver, Canada

S. YOUNG ; E. WOOD ; M. J. MILLOY ; K. DEBECK ; S. DOBRER ; E. NOSOVA ; T. KERR ; K. HAYASHI | 2018
Dans Substance Abuse (Vol.39, n°4, 2018) Article : Périodique

Background: People who inject drugs (PWID) have high rates of hepatitis C virus (HCV) infection. Little is known about the rates of diagnosis and treatment for HCV among PWID. Therefore, this study aims to characterize the cascade of care in Van[...]

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Impact of binge alcohol on mortality among people who inject drugs

C. JOHNSON ; H. DONG ; K. AHAMAD ; K. HAYASHI ; M. J. MILLOY ; T. KERR ; E. WOOD | 2015
Dans Addictive Behaviors Reports (Vol.2, December 2015) Article : Périodique

Introduction: While the impacts of illicit drug use on mortality have been well described, the impact of poly-substance that includes alcohol has received less attention. We examined the impact of binge alcohol use on mortality among a cohort of[...]

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Inability to access health and social services associated with mental health among people who inject drugs in a Canadian setting

L. WANG ; D. PANAGIOTOGLOU ; J. E. MIN ; K. DEBECK ; M. J. MILLOY ; T. KERR ; K. HAYASHI ; B. NOSYK | 2016
Dans Drug and Alcohol Dependence (Vol.168, November 2016) Article : Périodique

Background: People who inject drugs (PWID) face barriers to healthcare due to reasons including comorbidity. We evaluated access to health and social services by three of the most prevalent comorbid conditions among PWID: HIV, hepatitis C (HCV),[...]

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Increasing diversion of methadone in Vancouver, Canada, 2005-2015

H. REDDON ; J. HO ; K. DEBECK ; M. J. MILLOY ; Y. LIU ; H. DONG ; K. AHAMAD ; E. WOOD ; T. KERR ; K. HAYASHI | 2018
Dans Journal of Substance Abuse Treatment (Vol.85, February 2018) Article : Périodique

Background and aim: Although methadone, an opioid agonist, has been an effective medication used to treat opioid use disorder for over 40 years, recent studies have found that methadone was identified in more than a quarter of prescription opioi[...]

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Knowledge of hepatitis C and treatment willingness amongst people who inject drugs in an era of direct acting antivirals

A. MAH ; M. W. HULL ; K. DEBECK ; M. J. MILLOY ; S. DOBRER ; E. NOSOVA ; E. WOOD ; T. KERR ; K. HAYASHI | 2017
Dans International Journal of Drug Policy (Vol.47, September 2017) Article : Périodique

Background: Knowledge of hepatitis C virus (HCV) is believed to be important in altering risk behaviour, improving engagement in care, and promoting willingness to initiate HCV treatment. We assessed factors associated with HCV knowledge and tre[...]

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Non-fatal overdose as a risk factor for subsequent fatal overdose among people who inject drugs

A. CAUDARELLA ; H. DONG ; M. J. MILLOY ; T. KERR ; E. WOOD ; K. HAYASHI | 2016
Dans Drug and Alcohol Dependence (Vol.162, May 2016) Article : Périodique

Objectives: To examine the relationship between non-fatal overdose and risk of subsequent fatal overdose. Methods: We assessed risk factors for overdose death among two prospective cohorts of persons who inject drugs (PWID) in Vancouver, Canada[...]

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Non-medical prescription opioid use predicts injection initiation among street-involved youth

K. DEBECK ; E. WOOD ; H. DONG ; S. DOBRER ; K. HAYASHI ; J. MONTANER ; T. KERR | 2016
Dans International Journal of Drug Policy (Vol.34, August 2016) Article : Périodique

The rapid increase of non-medical prescription opioid (PO) use among youth has been described as the most alarming drug use trend in North America (Compton and Volkow, 2006, McCabe et al., 2008 and Okie, 2010). After cannabis, youth consistently[...]

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Prevalence and correlates of intentional substance use to reduce illicit opioid use in a Canadian setting

J. KLIMAS ; W. Y. MOK ; S. LAKE ; M. E. SOCIAS ; K. DEBECK ; K. HAYASHI ; E. WOOD ; M. J. MILLOY | 2022
Dans Journal of Substance Use (Vol.27, n°3, June 2022) Article : Périodique

Background: While preliminary evidence has begun to document intentional use of one substance to reduce the use of another, the phenomenon of drug substitution among people who use illicit opioids remains understudied. Therefore, we sought to es[...]

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Prevalence and correlates of selling illicit cannabis among people who use drugs in Vancouver, Canada: A ten-year prospective cohort study

H. REDDON ; D. FAST ; K. DEBECK ; D. WERB ; K. HAYASHI ; E. WOOD ; M. J. MILLOY | 2019
Dans International Journal of Drug Policy (Vol.69, July 2019) Article : Périodique

Background: The illicit selling and use of cannabis is prevalent among marginalized people who use illicit drugs (PWUD). Given that participation in illicit drug markets has been previously associated with a range of health and social harms, we [...]

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Re-incarceration and associated social, structural and behavioural factors among people who use drugs in an urban Canadian setting

O. BROOKS ; K. HAYASHI ; Z. CUI ; M. J. MILLOY ; T. KERR ; N. FAIRBAIRN | 2023
Dans International Journal of Drug Policy (Vol.115, May 2023) Article : Périodique

Background: People who use drugs (PWUD) are disproportionately incarcerated, however little is known about specific substance use, social and structural factors associated with re-incarceration among PWUD. We aimed to identify the socio-structur[...]

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The effect of injecting alone on the use of drug checking services among people who inject drugs

K. MCCRAE ; K. HAYASHI ; G. BARDWELL ; E. NOSOVA ; M. J. MILLOY ; E. WOOD ; L. TI | 2020
Dans International Journal of Drug Policy (Vol.79, May 2020) Article : Périodique

Objectives: Drug checking services aim to provide people who use drugs with information on the content and purity of their substances as a harm reduction intervention. The objective of this study was to determine the relationship between injecti[...]

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The impact of benzodiazepine use on mortality among polysubstance users in Vancouver, Canada

G. R. WALTON ; K. HAYASHI ; P. BACH ; H. DONG ; T. KERR ; K. AHAMAD ; M. J. MILLOY ; J. MONTANER ; E. WOOD | 2016
Dans Public Health Reports (Vol.131, n°3, May-June 2016) Article : Périodique

OBJECTIVE: Illicit drug use is a well-established risk factor for increased morbidity and mortality. However, little is known about the impact of benzodiazepine use on mortality among populations of polysubstance users. This study aimed to ident[...]

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Treatment of stimulant use disorder: A systematic review of reviews

C. RONSLEY ; S. NOLAN ; R. KNIGHT ; K. HAYASHI ; J. KLIMAS ; A. WALLEY ; E. WOOD ; N. FAIRBAIRN | 2020
Dans PLOS ONE (Vol.15, n°6, June 2020) Article : Périodique

Aims: Stimulant use disorder contributes to a substantial worldwide burden of disease, although evidence-based treatment options are limited. This systematic review of reviews aims to: (i) synthesize the available evidence on both psychosocial a[...]

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