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Lang J, Mendenhall E, Koon AD. Disentangling opioids-related overdose syndemics: a scoping review. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2023; 119:104152. [PMID: 37542742 DOI: 10.1016/j.drugpo.2023.104152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 08/07/2023]
Abstract
This article reviews research investigating the synergistic interaction of opioid-related morbidity and mortality with other social, psychiatric, and biological conditions, to describe how and why it is syndemic. Opioid-related overdose syndemics are driven by commercial interests, emerging in communities facing social and economic disadvantage, and interacting with a range of other health conditions. We included articles that empirically investigated an opioid-related syndemic, discussed syndemic co-factors associated with opioid use, or framed opioid consumption conceptually in relation to syndemics. Most articles were conducted in and first authored by investigators from North America. These articles were published in journals focused on general public health (n = 20), drug use and addiction (n = 18), and infectious disease or HIV (n = 15). Most original research articles (n = 60) employed quantitative methods. Unlike scholarship from other disciplines, specifically the controversial "Deaths of Despair" (DoD) framework, most research on opioid-related overdose syndemics fails to fully articulate the macro-structural drivers of localized disease clustering. Instead, the syndemics scholarship emphasizes the clinical manifestations of opioid and substance use, illustrating a problem in translation at the heart of syndemic theory. Moreover, syndemics scholarship on opioid impacts remains largely disconnected from the wider DoD discourse, which represents a missed opportunity for equity-oriented research. Re-directing attention to the sociopolitical forces that shape opioid-related overdose syndemics is necessary to prevent future commercially-driven health crises and repair lives harmed by these deadly syndemics.
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Affiliation(s)
- Jake Lang
- Science, Technology, and International Affairs Program, Walsh School of Foreign Service, Georgetown University, Washington, DC, United States
| | - Emily Mendenhall
- Science, Technology, and International Affairs Program, Walsh School of Foreign Service, Georgetown University, Washington, DC, United States.
| | - Adam D Koon
- Health Systems Program, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
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Yazdani K, Dolguikh K, Zhang W, Shayegi-Nik S, Ly J, Cooper S, Trigg J, Bartlett S, Barrios R, Montaner JSG, Salters K. Knowledge of hepatitis C and awareness of reinfection risk among people who successfully completed direct acting antiviral therapy. PLoS One 2022; 17:e0265811. [PMID: 35320316 PMCID: PMC8942206 DOI: 10.1371/journal.pone.0265811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 03/08/2022] [Indexed: 11/19/2022] Open
Abstract
Background Hepatitis C virus (HCV) education may be changing following the simplification of HCV treatment and emergence of direct acting antiviral (DAA). We aimed to characterize HCV knowledge among people who recently completed DAA therapy. Methods The Per-SVR (Preservation of Sustained Virologic Response) is a prospective cohort of patients who achieved a sustained virologic response upon successful completion of DAA therapy. The per-SVR study provided the sampling frame of participants who completed a psychometrically validated 19-item HCV knowledge scale at cohort entry (n = 227). To score the questionnaire, for each correct response one point was awarded, with no point for incorrect response. We assessed mean HCV knowledge score in the overall sample and mutually exclusive populations: people who inject drug (PWID) (n = 71); people with co-occurring HIV (n = 23); PWID and co-occurring HIV (n = 29), and others (n = 104) Using a latent class analysis based on distal outcome, we identified unobserved subgroups and assessed HCV knowledge amongst them. Results Total mean (SD) percent of correct responses were 83 (11) in the overall sample; 83 (10) in PWID; 79 (12) in people with co-occurring HIV; 81 (10) in PWID and co-occurring HIV, and 84 (11) in rest of the sample Three latent groups were identified: baby boomers who ever experienced homelessness (n = 126); women sex workers who ever experienced homelessness (n = 68); men who inject drug, ever experienced homelessness and had ever diagnosis of mental health disorders (n = 18). Mean percent of correct responses were 85 (8), 82 (11), 85 (10), in latent class 1, 2, and 3, respectively. Conclusion Patients successfully treated with DAAs had a high HCV knowledge. High knowledge and awareness of reinfection among complex patient groups often facing barriers to HCV care is encouraging and emphasizes the positive outcomes of universal access to treatment.
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Affiliation(s)
- Kiana Yazdani
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
| | - Katerina Dolguikh
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
| | - Wendy Zhang
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
| | - Sara Shayegi-Nik
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
- Experimental Medicine Program, Department of Medicine, University of British Columbia, Vancouver, Canada
| | - Jessica Ly
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
| | - Shaughna Cooper
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
| | - Jason Trigg
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
| | - Sophia Bartlett
- School of Population and Public Health, University of British Columbia, Vancouver, Canada
- British Columbia Centre for Disease Control, Vancouver, Canada
| | - Rolando Barrios
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
- School of Population and Public Health, University of British Columbia, Vancouver, Canada
| | | | - Kate Salters
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
- Faculty of Health Sciences, Simon Fraser University, Burnaby, Canada
- * E-mail:
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Smith JL, Mumbengegwi D, Haindongo E, Cueto C, Roberts KW, Gosling R, Uusiku P, Kleinschmidt I, Bennett A, Sturrock HJ. Malaria risk factors in northern Namibia: The importance of occupation, age and mobility in characterizing high-risk populations. PLoS One 2021; 16:e0252690. [PMID: 34170917 PMCID: PMC8232432 DOI: 10.1371/journal.pone.0252690] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 05/20/2021] [Indexed: 11/19/2022] Open
Abstract
In areas of low and unstable transmission, malaria cases occur in populations with lower access to malaria services and interventions, and in groups with specific malaria risk exposures often away from the household. In support of the Namibian National Vector Borne Disease Program's drive to better target interventions based upon risk, we implemented a health facility-based case control study aimed to identify risk factors for symptomatic malaria in Zambezi Region, northern Namibia. A total of 770 febrile individuals reporting to 6 health facilities and testing positive by rapid diagnostic test (RDT) between February 2015 and April 2016 were recruited as cases; 641 febrile individuals testing negative by RDT at the same health facilities through June 2016 were recruited as controls. Data on socio-demographics, housing construction, overnight travel, use of malaria prevention and outdoor behaviors at night were collected through interview and recorded on a tablet-based questionnaire. Remotely-sensed environmental data were extracted for geo-located village residence locations. Multivariable logistic regression was conducted to identify risk factors and latent class analyses (LCA) used to identify and characterize high-risk subgroups. The majority of participants (87% of cases and 69% of controls) were recruited during the 2016 transmission season, an outbreak year in Southern Africa. After adjustment, cases were more likely to be cattle herders (Adjusted Odds Ratio (aOR): 4.46 95%CI 1.05-18.96), members of the police or other security personnel (aOR: 4.60 95%CI: 1.16-18.16), and pensioners/unemployed persons (aOR: 2.25 95%CI 1.24-4.08), compared to agricultural workers (most common category). Children (aOR 2.28 95%CI 1.13-4.59) and self-identified students were at higher risk of malaria (aOR: 4.32 95%CI 2.31-8.10). Other actionable risk factors for malaria included housing and behavioral characteristics, including traditional home construction and sleeping in an open structure (versus modern structure: aOR: 2.01 95%CI 1.45-2.79 and aOR: 4.76 95%CI: 2.14-10.57); cross border travel in the prior 30 days (aOR: 10.55 95%CI 2.94-37.84); and outdoor agricultural work at night (aOR: 2.09 95%CI 1.12-3.87). Malaria preventive activities were all protective and included personal use of an insecticide treated net (ITN) (aOR: 0.61 95%CI 0.42-0.87), adequate household ITN coverage (aOR: 0.63 95%CI 0.42-0.94), and household indoor residual spraying (IRS) in the past year (versus never sprayed: (aOR: 0.63 95%CI 0.44-0.90). A number of environmental factors were associated with increased risk of malaria, including lower temperatures, higher rainfall and increased vegetation for the 30 days prior to diagnosis and residing more than 5 minutes from a health facility. LCA identified six classes of cases, with class membership strongly correlated with occupation, age and select behavioral risk factors. Use of ITNs and IRS coverage was similarly low across classes. For malaria elimination these high-risk groups will need targeted and tailored intervention strategies, for example, by implementing alternative delivery methods of interventions through schools and worksites, as well as the use of specific interventions that address outdoor transmission.
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Affiliation(s)
- Jennifer L. Smith
- Malaria Elimination Initiative, Global Health Group, University of California San Francisco (UCSF), San Francisco, California, United States of America
| | - Davis Mumbengegwi
- Multidisciplinary Research Centre, University of Namibia, Windhoek, Namibia
| | - Erastus Haindongo
- School of Medicine, Faculty of Health Sciences, University of Namibia, Windhoek, Namibia
| | - Carmen Cueto
- Malaria Elimination Initiative, Global Health Group, University of California San Francisco (UCSF), San Francisco, California, United States of America
| | - Kathryn W. Roberts
- Malaria Elimination Initiative, Global Health Group, University of California San Francisco (UCSF), San Francisco, California, United States of America
| | - Roly Gosling
- Malaria Elimination Initiative, Global Health Group, University of California San Francisco (UCSF), San Francisco, California, United States of America
| | - Petrina Uusiku
- National Ministry of Health and Social Services, Windhoek, Namibia
| | - Immo Kleinschmidt
- Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom
- Department of Immunology and Infection, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Adam Bennett
- Malaria Elimination Initiative, Global Health Group, University of California San Francisco (UCSF), San Francisco, California, United States of America
| | - Hugh J. Sturrock
- Malaria Elimination Initiative, Global Health Group, University of California San Francisco (UCSF), San Francisco, California, United States of America
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