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Non -fatal overdose among people who inject drugs in Tehran, Iran.

ABSTRACT: BACKGROUND:With increasing frequencies of non-fatal overdose in people who inject drugs (PWID), it is essential to improve our knowledge about associated risk factors for overdose to inform overdose prevention and assistance programs. The aim of present study was to determine the prevalence of non-fatal overdose and the associated risk factors among PWID in Tehran, Iran. METHODS:Snowball sampling was used to collect data from 465 participants in Tehran using a cross-sectional survey. Consenting participants who reported drug injecting in the past month and were able to speak and comprehend Farsi enough to respond to survey questions were interviewed. The endpoint of interest was non-fatal overdose in the previous 6 months, or answering "Yes" to the question: "In the last six months, have you ever overdosed by accident? (at least once)". We used STATA v. 14 for this analysis. Statistical significance was defined as p?

SUBMITTER: Noroozi M

PROVIDER: S-EPMC7559998 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Non -fatal overdose among people who inject drugs in Tehran, Iran.

Noroozi Mehdi M Higgs Peter P Bayani Azadeh A Armoon Bahram B Astaneh Ali Nazeri AN Moghaddam Ladan Fattah LF Askari Mohammad M

Substance abuse treatment, prevention, and policy 20201014 1

<h4>Background</h4>With increasing frequencies of non-fatal overdose in people who inject drugs (PWID), it is essential to improve our knowledge about associated risk factors for overdose to inform overdose prevention and assistance programs. The aim of present study was to determine the prevalence of non-fatal overdose and the associated risk factors among PWID in Tehran, Iran.<h4>Methods</h4>Snowball sampling was used to collect data from 465 participants in Tehran using a cross-sectional surv ...[more]

PMID: 33054806

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Project description:Background and Aims: Little is known about how the expansion of opioid agonist therapy (OAT) and emergence of fentanyl in the illicit drug supply in North America has influenced non-fatal opioid overdose (NFOD) risk. Therefore, we sought to identify patterns of substance use and addiction treatment engagement (i.e., OAT, other inpatient or outpatient treatment) prior to NFOD, as well as the trends and correlates of each pattern among people who use drugs (PWUD) in Vancouver, Canada. Methods: Data were derived from participants in three prospective cohorts of PWUD in Vancouver in 2009-2016. Observations from participants reporting opioid-related NFOD in the previous six months were included. A latent class analysis was used to identify classes based on substances used at the time of last NFOD and addiction treatment engagement in the month prior to the last NFOD. Multivariable generalized estimating equations estimated the correlates of each class membership. Results: In total, 889 observations from 570 participants were included. Four distinct classes were identified: (1) polysubstance use (PSU) and addiction treatment engagement; (2) PSU without treatment engagement; (3) exposure to unknown substances, mostly without treatment engagement; and (4) primary heroin users without treatment engagement. The class of exposure to unknown substances appeared in 2015 and became the dominant group (76.9%) in 2016. In multivariable analyses, the odds of membership in the class of primary heroin users decreased over time (adjusted odds ratio [AOR]: 0.74, 95% confidence interval [CI]: 0.68-0.81). Conclusions: Changing profiles of PWUD reporting opioid-related NFOD were seen over time. Notably, there was a sudden increase in reports of overdose following exposure to unknown substances since 2015, the majority of whom reported no recent addiction treatment engagement. Further study into patterns of substance use and strategies to improve addiction treatment engagement is needed to improve and focus overdose prevention efforts.

Project description:IntroductionOverdose is a leading cause of death in the United States, especially among people who inject drugs (PWID). Improving naloxone access and carrying among PWID may offset recent increases in overdose mortality associated with the influx of synthetic opioids in the drug market. This study characterized prevalence and correlates of several naloxone outcomes among PWID.MethodsDuring 2018, a survey to assess experience with naloxone was administered to 915 participants in the AIDS Linked to the IntraVenous Experience (ALIVE) study, an ongoing community-based observational cohort of people who currently inject or formerly injected drugs in Baltimore, Maryland. We examined the associations of naloxone outcomes (training, supply, use, and regular possession) with socio-demographic, substance use and healthcare utilization factors among PWID in order to characterize gaps in naloxone implementation among this high-risk population.ResultsMedian age was 56 years, 34% were female, 85% were African American, and 31% recently injected. In the past six months, 46% (n = 421) reported receiving training in overdose prevention, 38% (n = 346) had received a supply of naloxone, 9% (n = 85) had administered naloxone, and 9% (n = 82) reported usually carrying a supply of naloxone. Recent non-fatal overdose was not associated with any naloxone outcomes in adjusted analysis. Active opioid use (aOR = 2.10, 95% CI: 1.03, 4.28) and recent treatment of alcohol or substance use disorder (aOR = 2.01, 95% CI: 1.13, 3.56) were associated with regularly carrying naloxone.ConclusionFurther work is needed to encourage PWID to carry and effectively use naloxone to decrease rates of fatal opioid overdose. While accessing treatment for substance use disorder was positively associated with carrying naloxone, EMS response to 911 calls for overdose, the emergency department, and syringe services programs may be settings in which naloxone access and carrying could be encouraged among PWID.

Project description:BackgroundFatalities from opioid overdose quadrupled during the last 15 years as illicit opioid use increased. This study assesses how stigma and drug use settings are associated with non-fatal overdose to identify targets for overdose risk reduction interventions and inform overdose education and naloxone distribution programs.MethodsWe surveyed 444 people who used drugs in Baltimore, Maryland, USA, from 2009 to 2013 as part of a randomized clinical trial of a harm reduction intervention. Participants reported demographic characteristics, drug use, overdose history, use of a local syringe services program, involvement in the local drug economy, and whether they experienced discrimination from others (i.e., enacted stigma) or stigmatized themselves (i.e., internalized stigma) related to their drug use. We used multinomial logistic regression models to identify correlates of experiencing a non-fatal overdose within the past year or >1 year ago relative to participants who never experienced an overdose.ResultsStigma was positively associated with experiencing a non-fatal overdose in the past year (adjusted Odds Ratio [aOR]: 1.7, 95% Confidence Interval [CI]: 1.1-2.7) and >1 year ago (aOR [95% CI]: 1.5 [1.1-2.0]) after adjustment for demographic and substance use characteristics. The association of stigma with overdose was stronger for enacted versus internalized stigma. The number of public settings (shooting gallery, crack house, abandoned building, public bathroom, outside) where participants used drugs was also positively associated with experiencing an overdose.ConclusionsStigma related to drug use and using drugs in more settings may increase overdose risk. The effectiveness of overdose prevention and naloxone training may be improved by reducing discrimination against people who use drugs in community and medical settings and diversifying the settings in which overdose prevention trainings are delivered. These efforts may be enhanced by use of peer outreach approaches in which people who use drugs diffuse prevention messages through their social networks and within settings of drug consumption outside the medical setting.

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Non -fatal overdose among people who inject drugs in Tehran, Iran.

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Non -fatal overdose among people who inject drugs in Tehran, Iran.

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