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While increasing evidence shows that hospice and palliative care interventions in the ED can benefit patients and systems, little exists on the feasibility and effectiveness of identifying patients in the ED who might benefit from hospice care. Our aim was to evaluate the effect of a clinical care pathway on the identification of patients who would benefit from hospice in an academic medical center ED setting. We instituted a clinical pathway for ED patients with potential need for or already enrolled in hospice. This pathway was digitally embedded in the electronic health record and made available to ED physicians, APPs and staff in a non-interruptive fashion. Patient and visit characteristics were evaluated for the six months before (05/04/2021–10/4/2021) and after (10/5/2021–05/04/2022) implementation. After pathway implementation, more patients were identified as appropriate for hospice and ED length of stay (LOS) for qualifying patients decreased by a median of 2.9 h. Social work consultation for hospice evaluation increased, and more patients were discharged from the ED with hospice. As more patients were identified with end-of-life care needs, the number of patients admitted to the hospital increased. However, more patients were admitted under observation status, and admission LOS decreased by a median of 18.4 h. This non-interruptive, digitally embedded clinical care pathway provided guidance for ED physicians and APPs to initiate hospice referrals. More patients received social work consultation and were identified as hospice eligible. Those patients admitted to the hospital had a decrease in both ED and hospital admission LOS. [ABSTRACT FROM AUTHOR]

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We analyzed the impact of HIV viral load on the performance of a limiting antigen avidity enzyme immunoassay (LAg-Avidity assay) and determined if this assay could be used to identify viral breakthrough. Three groups of samples were tested: (1) 18 individuals (30 samples) previously identified as elite suppressors; (2) 18 individuals (72 samples) who were continually suppressed on antiretroviral treatment (ART) with 1 sample before and 2-6 samples (one/year) after ART initiation; and (3) 20 individuals (179 samples) on ART who had evidence of viral breakthrough (>400 copies/ml) with subsequent viral suppression. Elite suppressors had the lowest LAg-Avidity assay values. Among those who were continually suppressed on ART, 83% (15/18) had LAg-Avidity assay values that decreased over time. Although the LAg-Avidity assay on a single sample cannot identify when a viral breakthrough occurs, paired longitudinal samples could identify viral breakthrough (sensitivity: 65%, specificity: 84%). [ABSTRACT FROM AUTHOR]

Background: In the HIV Prevention Trials Network (HPTN) 061 study, 8 (2.3%) of 348 HIV-infected participants identified as HIV uninfected at study enrollment using a single HIV rapid test for screening were found to be HIV infected after additional testing. Objectives: To evaluate the performance of different HIV assays for detection of HIV infection in HPTN 061 participants with missed infection and individuals with viral suppression. Methods: Plasma samples from 8 HPTN 061 participants, 17 elite controllers, and 101 individuals on antiretroviral treatment (ART) were tested for HIV with 3 rapid tests, 2 laboratory-based immunoassays, and a Western blot assay. The HPTN 061 samples were also tested with 2 HIV RNA assays and an antiretroviral drug assay. Results: Of the 8 HPTN 061 participants with missed infection, 1 was an elite controller, 1 was taking ART, 2 were missed because of testing or clerical errors, 1 had recent HIV infection (Identified using a multi-assay algorithm), and 3 had acute HIV infection. Two (1.7%) of 118 individuals with viral suppression (both taking ART) had at least 1 false-negative test. Conclusions: In clinical trials, HIV infections can be missed for a variety of reasons. Using more than one assay to screen for HIV infection may reduce the number of missed infections. [ABSTRACT FROM AUTHOR]

A high prevalence of liver stiffness, as determined by elevated transient elastography liver stiffness measure-ment, was previously found in a cohort of HIV-infected Ugandans in the absence of chronic viral hepatitis. Given the role of immune activation and microbial translocation in models of liver disease, a shared immune mech-anism was hypothesized in the same cohort without other overt causes of liver disease. This study examined whether HIV-related liver stiffness was associated with markers of immune activation or microbial translocation (MT). A retrospective case-control study of subjects with evidence of liver stiffness as defined by a transient elastography stiffness measurement >9.3kPa (cases = 133) and normal controls (?) = 133) from Rakai, Uganda was performed. Cases were matched to controls by age, gender, HIV, hepatitis B virus (HBV), and highly active antiretroviral therapy (HAART) status. Lipopolysaccharide (LPS), endotoxin IgM antibody, soluble CD14 (sCD14), C-reactive protein (CRP), and D-dimer levels were measured. Conditional logistic regression was used to estimate adjusted matched odds ratios (adjMOR) and 95% confidence intervals. Higher sCD14 levels were associated with a 19% increased odds of liver stiffness (adjMOR = 1.19, p = 0.002). In HIV-infected individuals, higher sCD14 levels were associated with a 54% increased odds of having liver stiffness (adjMOR = 1.54, p< 0.001); however, the opposite was observed in HIV-negative individuals (adjMOR = 0.57, p = 0.001). No other biomarker was significantly associated with liver stiffness, and only one subject was found to have detectable LPS. Liver stiffness in HIV-infected Ugandans is associated with increased sCD14 indicative of monocyte acti-vation in the absence of viral hepatitis or microbial translocation, and suggests that HIV may be directly involved in liver disease. [ABSTRACT FROM AUTHOR]

Assays used for HIV cross-sectional incidence testing can misclassify some individuals with nonrecent HIV infection as recently infected, overestimating HIV incidence. We analyzed the frequency and factors associated with false-recent misclassification on subjects from Quangxi, China known to have long-term infection using the limited antigen-avidity assay (LAg-Avidity). Stored samples from treatment-naive individuals from Guangxi, China were tested using the LAg-Avidity. A total of 362 samples from individuals known to be infected 2 to 13.5 years were tested and the false-recent rate (FRR), the frequency of samples with a positive result, was determined at different cutoff values of the assay. Additionally, factors associated with misclassification were determined. The FRR of the LAg-Avidity was 1.1% (4/362) using a cutoff of 1.5 normalized optical density units (OD-n). All four samples had viral loads >1,000 copies/ml. Using a cutoff of 3.0 OD-n the FRR was 5.5% (20/362), with four samples having viral loads <1,000 copies/ml. Factors associated with a higher odds of misclassification were female gender (OR 7.7, 95% CI 1.0-56.4) and being a female sex worker (OR 31.3, 95% CI 4.0-242). At the higher cutoff, being of Zhuang decent, relative to Han, had higher odds of misclassification (OR 6.2, 95% CI 1.99-19.0). The LAg-Avidity assay had a low FRR in this Chinese population. Further investigations of the higher frequency of low LAg-Avidity results seen in female sex workers and individuals of Zhuang descent should be explored in a larger study. [ABSTRACT FROM AUTHOR]