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Antiretroviral Therapy as Prevention of … Pneumococcal Infections?

Abstract : Background. Despite antiretroviral therapy, it is generally believed that the risk for pneumococcal infections (PnIs) is high among patients infected with human immunodeficiency virus (HIV). However, most studies in this field have been conducted before 2010, and the proportion of virologically suppressed patients has drastically increased in these latter years thanks to larger indications and more effective antiretroviral regimens. This study aimed to re-evaluate the current risk of PnI among adult patients infected with HIV. Methods. The incidence of PnI was evaluated between 1996 and 2014 in 2 French regional hospitals. The 80 most recent cases of PnI (2000–2014) were retrospectively compared with 160 controls (HIV patients without PnI) to analyze the residual risk factors of PnI. Results. Among a mean annual follow-up cohort of 1616 patients, 116 PnIs were observed over 18 years. The risk factors of PnI among patients infected with HIV were an uncontrolled HIV infection or “classic” risk factors of PnI shared by the general population such as addiction, renal or respiratory insufficiency, or hepatitis B or C coinfection. Pneumococcal vaccination coverage was low and poorly targeted, because only 5% of the cases had been previously vaccinated. The incidence of invasive PnIs among HIV patients with a nonvirologically suppressed infection or comorbidities was 12 times higher than that reported in the general population at the country level (107 vs 9/100 000 patients), whereas the incidence among virologically suppressed HIV patients without comorbidities was lower (7.6/100 000 patients). Conclusions. Human immunodeficiency virus infection no longer per se seems to be a significant risk factor for PnI, suggesting a step-down from a systematic to an “at-risk patient” targeted pneumococcal vaccination strategy
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Submitted on : Wednesday, November 20, 2019 - 4:28:25 PM
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Anaïs Lesourd, Jérémie Leporrier, Valérie Delbos, Guillemette Unal, Patricia Honoré, et al.. Antiretroviral Therapy as Prevention of … Pneumococcal Infections?. Open Forum Infectious Diseases, Oxford University Press, 2016, 3 (4), pp.ofw228. ⟨10.1093/ofid/ofw228⟩. ⟨hal-02372954⟩



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