Correlates of Engagement in HIV Care Among Transgender Women of Color in the United States of America

HIV prevalence among transgender women of color (TWC) in the United States of America is high. We enrolled TWC living with HIV (N = 858) to evaluate 1nine HIV care interventions. We examined factors associated with four outcomes at enrollment: linkage to care, ever being on antiretroviral treatment, retention in care and viral suppression. The sample was 49% Hispanic/Latino, 42% Black; average age was 37 years; 77% were ever linked to care, 36% were ever on treatment, 22% were retained in care, and 36% were virally suppressed. Current hormone use was significantly associated with linkage, retention, and viral suppression (all aORs > 1.5), providing evidence for gender-affirming care as an important facilitator of engagement in HIV care. Greater health care empowerment was significantly associated with greater odds of all outcomes (aORs between 1.19 and 1.37). These findings identify potential intervention targets to improve the provision of care and treatment for TWC living with HIV

Rapid start antiretroviral therapies for improved engagement in HIV care: implementation science evaluation protocol

BackgroundIn 2020, the Health Resources and Services Administration's HIV/AIDS Bureau funded an initiative to promote implementation of rapid antiretroviral therapy initiation in 14 HIV treatment settings across the U.S. The goal of this initiative is to accelerate uptake of this evidence-based strategy and provide an implementation blueprint for other HIV care settings to reduce the time from HIV diagnosis to entry into care, for re-engagement in care for those out of care, initiation of treatment, and viral suppression. As part of the effort, an evaluation and technical assistance provider (ETAP) was funded to study implementation of the model in the 14 implementation sites.MethodThe ETAP has used implementation science methods framed by the Dynamic Capabilities Model integrated with the Conceptual Model of Implementation Research to develop a Hybrid Type II, multi-site mixed-methods evaluation, described in this paper. The results of the evaluation will describe strategies associated with uptake, implementation outcomes, and HIV-related health outcomes for patients.DiscussionThis approach will allow us to understand in detail the processes that sites to implement and integrate rapid initiation of antiretroviral therapy as standard of care as a means of achieving equity in HIV care

Evidence for the Model of Gender Affirmation: The Role of Gender Affirmation and Healthcare Empowerment in Viral Suppression Among Transgender Women of Color Living with HIV.

Transgender women of color are disproportionately impacted by HIV, poor health outcomes, and transgender-related discrimination (TD). We tested the Model of Gender Affirmation (GA) to identify intervention-amenable targets to enhance viral suppression (VS) using data from 858 transgender women of color living with HIV (49% Latina, 42% Black; 36% virally suppressed) in a serial mediation model. Global fit statistics demonstrated good model fit; statistically significant (p ≤ 0.05) direct pathways were between TD and GA, GA and healthcare empowerment (HCE), and HCE and VS. Significant indirect pathways were from TD to VS via GA and HCE (p = 0.036) and GA to VS via HCE (p = 0.028). Gender affirmation and healthcare empowerment significantly and fully mediated the total effect of transgender-related discrimination on viral suppression. These data provide empirical evidence for the Model of Gender Affirmation. Interventions that boost gender affirmation and healthcare empowerment may improve viral suppression among transgender women of color living with HIV

Unique autonomic profile of the pulmonary veins and posterior left atrium

The purpose of this study was to investigate the electrophysiologic profile of the pulmonary veins (PVs) and left atrium (LA) in response to autonomic manipulation. The parasympathetic innervation of the PVs and posterior left atrium (PLA) is thought to contribute to focal atrial fibrillation (AF). We hypothesized that autonomic effects would be more prominent in these regions. In 14 dogs, epicardial mapping was performed in the PVs, PLA, and left atrial appendage (LAA) under the following conditions: baseline, 20-Hz cervical vagal stimulation (VS), propranolol (P), P + VS, and P + atropine. Effective refractory periods (ERPs) were measured, and conduction vectors were computed at multiple sites. Western blotting and immunostaining were performed for IKAch (Kir3.1/3.4). The VS and P + VS caused more ERP shortening in the PV and PLA than in the LAA. The P + atropine caused greatest ERP prolongation in the LAA. Cumulative ERP change (ERP difference between P + VS and P + atropine) was greatest in the LAA and corresponded with expression of Kir3.1/3.4 (LAA > PLA > or = PV). The ERP change in response to vagal manipulation was most heterogeneous in the PLA; this corresponded with a pronounced heterogeneity of Kir3.1 distribution in the PLA. With VS and/or P, there was evidence of regional conduction delay in the PVs with a significant change in activation direction. Similar activation changes were not seen in the PLA and LAA. The PVs and PLA demonstrate unique activation and repolarization characteristics in response to autonomic manipulation. The heterogeneity of vagal responses correlates with the pattern of IKAch distribution in the LA. The peculiar autonomic characteristics of the PVs and PLA might create substrate for re-entry and AF

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