Abstract
ObjectivesAmong Russians living with HIV/AIDS who inject drugs, we examined the incidence of fatal and non-fatal overdoses following discharge from a narcology hospital and the associations with more advanced HIV infection. DesignProspective cohort study of data collected at baseline, 3 and 6 months from HIV-infected patients with a history of injection drug use who were not treated with anti-retroviral therapy. Participants were recruited between 2012–2014 from a narcology (addiction) hospital in St. Petersburg, Russia. MethodsFatal overdose was determined based on contact reports to study staff in the year after discharge. Non-fatal overdose was self-reported at the 3- and 6-month assessments. The main independent variable for HIV severity was CD4 cell count at the baseline interview (<200cells/mm3≥200cells/mm3). Secondary analyses assessed time since HIV diagnosis and treated with anti-retroviral treatment (ART) prior to enrolment as independent variables. We fit Cox proportional hazards models to assess whether HIV severity is associated with either fatal or non-fatal overdose. ResultsAmong 349 narcology patients, 18 participants died from overdose within one year after discharge (8.7%, 95% CI 3.4–14.2 by Kaplan–Meier); an estimated 51% [95% CI 34–68%] reported at least one non-fatal overdose within 6 months of discharge. HIV severity, time since HIV diagnosis and ever ART were not significantly associated with either fatal or non-fatal overdose events. ConclusionFatal and non-fatal overdose are common among Russians living with HIV/AIDS who inject drugs after narcology hospital discharge. Overdose prevention interventions are urgently warranted among Russian narcology patients with HIV infection.
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