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Incidence and Presentation of Sarcoidosis With and Without HIV Infection.

Hanberg JS, Akgün KM, Hsieh E, Fraenkel L, Justice AC. Incidence and Presentation of Sarcoidosis With and Without HIV Infection. Open forum infectious diseases. 2020 Oct 1; 7(10):ofaa441.

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Abstract:

BACKGROUND: Case reports describe incident sarcoidosis in persons with HIV (PWH). The association between HIV and risk of sarcoidosis, and differences in presentation in PWH, have not been systematically assessed. METHODS: Subjects were selected from the Veterans Aging Cohort Study (VACS), a longitudinal cohort study including veterans with HIV and matched uninfected veterans. This was a prospective observational analysis in which we evaluated both the incidence (via incidence rate ratio) and presentation and treatment (by comparison of rates of organ involvement and use of medications) of sarcoidosis in PWH compared with HIV-negative controls. We also assessed risk factors (via Cox regression) associated with the development of sarcoidosis including CD4 count and viral load trajectory. RESULTS: Of 1614 patients evaluated via chart review, 875 (54%) had prevalent sarcoidosis and 325 (20%) had confirmed incident sarcoidosis. Incident sarcoidosis occurred in 59 PWH and 266 uninfected. The incidence of sarcoidosis was lower in PWH than uninfected (incidence rate ratio [IRR], 0.61; 95% CI, 0.46-0.81) and especially low in patients with unsuppressed viremia (IRR, 0.04; 95% CI, 0.02-0.08) compared with uninfected). At diagnosis of sarcoidosis, the median CD4 count among PWH was 409 cells/mm; 77% had HIV-1 RNA < 500 copies/mL. No significant differences were observed between PWH and uninfected in terms of organ involvement, disease severity, or use of oral glucocorticoids. CONCLUSIONS: HIV, particularly with persistent viremia, was associated with decreased risk of incident sarcoidosis; severity and treatment were similar between PWH and uninfected.





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