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HIV infection causes a constant activation of the immune system and contributes to an enhanced systemic pro-inflammatory cytokine milieu, which has been associated with premature aging and frailty. We performed a systematic review and meta-analysis to analyze whether the HIV-1 RNA load, CD4+ T-lymphocyte counts and exposure to HAART in HIV-positive subjects are associated with frailty phenotype. Searches were performed in PubMed, SCOPUS, Lilacs, Web of Science, Google Scholar, and OpenThesis databases. We used the odds ratio as a measure of the association. We used either a fixed or random-effects model to pool the results of individual studies depending on the presence of heterogeneity. Eleven studies were included in the review. Data from 8035 HIV-positive subjects were analyzed; 2413 of the subjects had viral load detectable, 981 had a CD4T-cell count &lt;350 cells/μL, and 1342 had HAART exposure information. We found an association between frailty and CD4T-cell count &lt;350 cells/μL (OR 2.68, CI 95% 1.68–4.26, I 2  = 46%), HIV-1 RNA load detectable (OR 1.71, CI 95% 1.38–2.12, I 2  = 0%), and protease inhibitor-containing HAART regimen (OR 2.21, CI 95% 1.26–3.89, I 2  = 0%). Further studies are necessary to evaluate the effects of other factors on the development of clinical features related to frailty.

aids care

Association between frailty phenotype, quantification of plasma HIV-1 RNA, CD4 cell count and HAART in HIV-positive subjects: a systematic review and meta-analysis of observational studies