Abstract
Purpose
Our aim was to better explore the association between liver fibrosis (LF) and neurocognitive impairment (NCI) in people living with HIV (PLWH).
Methods
We performed a cross-sectional cohort study by consecutively enrolling PLWH at two clinical centers. All subjects underwent a comprehensive neuropsychological battery; NCI was defined as having a pathological performance (1.5 SD below the normative mean) on at least two cognitive domains. LF was explored using FIB4 index; in a subgroup of PLWH, LF was also assessed by transient elastography.
Results
A total of 386 subjects were enrolled, of whom 17 (4.4%) had FIB4 > 3.25. In the subgroup of PLWH (N = 127) performing also liver transient elastography, 14 (11%) had liver stiffness > 14 kPa. Overall, 47 subjects (12%) were diagnosed with NCI. At multivariate regression analyses, participants with FIB4 > 1.45 showed a higher risk of NCI in comparison with those with lower values (aOR 3.04, p = 0.044), after adjusting for education (aOR 0.71, p < 0.001), past AIDS-defining events (aOR 2.91, p = 0.014), CD4 cell count, past injecting drug use (IDU), HIV-RNA < 50 copies/mL, and HCV co-infection. Also a liver stiffness > 14 kPa showed an independent association with a higher risk of NCI (aOR 10.13, p = 0.041). Analyzing any single cognitive domain, a higher risk of abnormal psychomotor speed was associated with a liver stiffness > 14 kPa (aOR 223.17, p = 0.019) after adjusting for education (aOR 0.57, p = 0.018), HIV-RNA < 50 copies/mL (aOR 0.01, p = 0.007), age, past IDU, and HCV co-infection.
Conclusions
In PLWH, increased LF, estimated through non-invasive methods, was associated to a higher risk of NCI independently from HCV status.
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M. F. received speakers’ honoraria and support for travel to meetings from Bristol-Myers Squibb (BMS), Gilead, Merck Sharp & Dohme (MSD), ViiV Healthcare, Janssen-Cilag (JC), and fees for attending advisory boards from BMS and Gilead; A.B. reports personal fees and non-financial support from ViiV Healthcare, Gilead Sciences, Inc., grants and non-financial support from Bristol-Myers Squibb, and JC. R.C. has been an advisor for Gilead, JC and Basel Pharmaceutical, and received speakers’ honoraria from ViiV, BMS, MSD, Abbott, Gilead and JC; S. D. G. received speakers’ honoraria and support for travel to meetings from Gilead, Bristol-Myers Squibb (BMS), Abbott, Boehringer Ingelheim, Janssen-Cilag (JC) and GlaxoSmithKline. All other authors: none to declare.
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Ciccarelli, N., Fabbiani, M., Brita, A.C. et al. Liver fibrosis is associated with cognitive impairment in people living with HIV. Infection 47, 589–593 (2019). https://doi.org/10.1007/s15010-019-01284-8
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DOI: https://doi.org/10.1007/s15010-019-01284-8