Publications by authors named "Tigran Avoundjian"

The New York City "Data-to-Suppression" (D2S) initiative was launched to improve HIV viral suppression among Ryan White HIV/AIDS Program Part A (RWPA) clients through a combination of surveillance-based, client-level reporting and capacity-building activities with RWPA housing and behavioral health service providers. This study qualitatively examines provider perspectives on its implementation. Drawing from 8 RWPA-funded agencies participating in D2S, we conducted semistructured interviews with 24 purposively sampled providers from 8 RWPA-funded agencies participating in D2S, including patient navigators engaged in D2S outreach, patient navigator supervisors, and administrators.

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Objectives: The New York City (NYC) HIV Care Coordination Programme (CCP) is designed to help people with HIV (PWH) overcome barriers to care and treatment engagement. We assessed preferences for CCP components among programme enrollees ('clients') and providers. Our objective is to compare client and provider preferences, which were previously analysed separately.

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As HIV outcomes continue to improve, disparities in viral suppression and care engagement persist, exacerbated by socioeconomic inequities, mental health stressors, systemic racism, HIV-related stigma, and other forms of discrimination. HIV care coordination programs address structural and psychosocial barriers to care and treatment, but these interventions must adapt to the evolving circumstances and perspectives of those expected to participate in them to achieve and sustain maximal impact. In 2009, the New York City Department of Health implemented a Ryan White-funded HIV Care Coordination Program (CCP).

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Many people with HIV (PWH) in jail have not been well engaged in HIV treatment in the community. This study aimed to assess the impact of a data exchange paired with care coordination for PWH on HIV outcomes after jail release. We developed an automated process to match jail booking records with HIV surveillance data.

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Background: Long-acting injectable (LAI) HIV antiretroviral therapy (ART) presents a major opportunity to facilitate and sustain HIV viral suppression, thus improving health and survival among people living with HIV and reducing the risk of onward transmission. However, realizing the public health potential of LAI ART requires reaching patients who face barriers to daily oral ART adherence and thus can clinically benefit from alternative treatment modalities. Ryan White HIV/AIDS Program Part A medical case management (MCM) programs provide an array of services to address barriers to HIV care and treatment among economically and socially marginalized people living with HIV.

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Background: Patient portals play an increasingly critical role in engaging patients in their health care. They have the potential to significantly impact the health of those living with chronic diseases, such as HIV, for whom consistent care engagement is both critical and complex.

Objective: The primary aim was to examine the longitudinal relationships between individual portal tool use and health-related outcomes in patients living with HIV.

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Background: Concerns around opioid safety for patients living with chronic pain have led to a growing number of collaborative and multimodal pain care initiatives. A major challenge in these efforts has been identifying and engaging patients on high-risk opioid regimens in a timely manner.

Objectives: In this clinical informatics case report, we describe the development and implementation of a web-based tool to support providers as they implement an integrated pain support clinical initiative at primary care clinics across three health care systems.

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Background: Emergency Medical Services (EMS) agencies respond to hundreds of thousands of acute overdose events each year. We conducted a retrospective cohort study of EMS patients who survived a prior opioid overdose in 2019-2021 in King County, Washington.

Methods: A novel record linkage algorithm was applied to EMS electronic health records and the state vital statistics registry to identify repeat overdoses and deaths that occurred up to 3 years following the index opioid overdose.

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Introduction: With progress in the 'diagnose', 'link' and 'retain' stages of the HIV care continuum, viral suppression (VS) gains increasingly hinge on antiretroviral adherence among people with HIV (PWH) retained in care. The Centers for Disease Control and Prevention estimate that unsuppressed viral load among PWH in care accounts for 20% of onward transmission. HIV intervention strategies include 'data to care' (D2C)-using surveillance to identify out-of-care PWH for follow-up.

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Background: To address challenges with delivery of an evidence-based HIV care coordination program (CCP), the New York City Health Department initiated a CCP redesign. We conducted a site-randomized stepped-wedge trial to evaluate effectiveness of the revised versus the original model.

Setting: The CCP is delivered in New York City hospitals, community health centers, and community-based organizations to people experiencing or at risk for poor HIV outcomes.

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Objective: To ensure all patients receiving long-term opioid therapy (LTOT) understand the risks, benefits and treatment alternatives, the Veterans Health Administration (VHA) released a national policy in 2014 to standardize a signature informed consent (SIC) process. We evaluated the impact of this policy on medical follow-up after LTOT initiation, a guideline recommended practice.

Methods: Using VHA administrative data, we identified patients initiating LTOT between May 2013 and May 2016.

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Context: Despite the massive scale of COVID-19 case investigation and contact tracing (CI/CT) programs operating worldwide, the evidence supporting the intervention's public health impact is limited.

Objective: To evaluate the Public Health-Seattle & King County (PHSKC) CI/CT program, including its reach, timeliness, effect on isolation and quarantine (I&Q) adherence, and potential to mitigate pandemic-related hardships.

Design: This program evaluation used descriptive statistics to analyze surveillance records, case and contact interviews, referral records, and survey data provided by a sample of cases who had recently ended isolation.

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Previous reports of COVID-19 case, hospitalization, and death rates by vaccination status indicate that vaccine protection against infection, as well as serious COVID-19 illness for some groups, declined with the emergence of the B.1.617.

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Objective: We examined correlates of registration and utilization of the Veteran Health Administration's (VHA) personal health record (PHR), My HealtheVet (MHV), among a national cohort of veterans living with HIV.

Materials And Methods: Using VHA administrative data, we matched veterans with HIV who registered for MHV in fiscal year 2012-2018 ( = 8589) to 8589 veterans with HIV who did not register for MHV. We compared demographic and geographic characteristics, housing status, comorbidities, and non-VHA care between MHV registrants and nonregistrants to identify correlates of MHV registration.

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Background: Most studies of stroke in people living with HIV (PLWH) do not use verified stroke diagnoses, are small, and/or do not differentiate stroke types and subtypes.

Setting: CNICS, a U.S.

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Background: Rates of stroke are higher in people living with HIV compared with age-matched uninfected individuals. Causes of elevated stroke risk, including the role of viremia, are poorly defined.

Methods: Between 1 January 2006 and 31 December 2014, we identified incident strokes among people living with HIV on antiretroviral therapy at five sites across the United States.

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Background: Many US health departments now integrate HIV-related outcomes (e.g., relinkage to HIV care and preexposure prophylaxis [PrEP]) into sexually transmitted disease (STD) partner services (PS) programs.

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Background: Emergency department (ED) visits and inpatient (IP) admissions may provide an opportunity to reengage poorly engaged people living with HIV and facilitate viral suppression. In 2015, Public Health Seattle and King County partnered with the University of Washington Medicine to implement a real-time data exchange to identify virally unsuppressed people living with HIV seen at the ED/IP hospital and reengage them in HIV care. We evaluated the impact of the data exchange on care engagement and viral suppression.

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Background: Many public health departments use record linkage between surveillance data and external data sources to inform public health interventions. However, little guidance is available to inform these activities, and many health departments rely on deterministic algorithms that may miss many true matches. In the context of public health action, these missed matches lead to missed opportunities to deliver interventions and may exacerbate existing health inequities.

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Objective: To examine sociodemographic characteristics associated with use of My HealtheVet (MHV) by veterans living with HIV.

Materials And Methods: Veterans Health Administration administrative data were used to identify a cohort of veterans living with HIV in fiscal years 2011-2017. Descriptive analyses were conducted to examine demographic characteristics and racial/ethnic differences in MHV registration and tool use.

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Background: Mississippi has the 10th highest rate of new human immunodeficiency virus (HIV) infections in the United States. The Mississippi State Department of Health (MSDH) integrated partner HIV testing into syphilis partner services (PS) in 2014, but the effectiveness of this as an HIV case finding strategy has not been evaluated.

Methods: We identified all early syphilis (primary, secondary, and early latent) case records reported from July 1, 2014, to December 31, 2016, excluding case records for people concurrently newly diagnosed with HIV.

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Background: Many health departments use a "reactor grid" to determine which laboratory-reported syphilis serologic test results require investigation. We developed a Web-based tool, the Syphilis Reactor Grid Evaluator (SRGE), to facilitate health department reactor grid evaluations and test the tool using data from Seattle & King County, Washington.

Methods: We developed SRGE using the R Shiny Web application framework.

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