RUIZ-MANRÍQUEZ, Carlos Alberto; AVILA-FUNES, José Alberto; BRAÑAS, Fátima; CRABTREE-RAMÍREZ, Brenda; HERNÁNDEZ-RUIZ, Virgilio; AMIEVA, Helene

doi:10.1007/s41999-024-01079-7

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RUIZ-MANRÍQUEZ, Carlos Alberto

AVILA-FUNES, José Alberto

BRAÑAS, Fátima

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European Geriatric Medicine. 2024-10-30

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To ascertain the association between the LT-CD4 + /CD8 + ratio and cognitive impairment in older people living with HIV. A cross-sectional study was conducted, including 207 adults aged > 50 years with HIV, receiving care at a tertiary-care hospital in Mexico City. Participants underwent a standardized geriatric and neuropsychological assessment to establish the presence of HIV-associated neurocognitive disorder according to the validated Antinori criteria. Multivariate logistic regression models were performed to determine the association between T-CD4 + /CD8 + lymphocyte ratio tercile values (0.57-0.91, and 0.91 being the reference category) and cognitive impairment. Participants' median age was 56 (IQR 53-62) years and 173 (83.6%) were men. The prevalence of any kind of cognitive impairment according to the Antinori criteria was 66.2% (n = 137), the highest proportion being asymptomatic neurocognitive impairment (n = 114, 83.2%). Adjusted logistic regression analyses showed that the lowest LT-CD4 + /CD8 + ratio tercile values (< 0.56) were independently associated with the presence of cognitive impairment (OR 3.16; 95% CI 1.22-8.16, p = 0.017). Lower LT-CD4 + /CD8 + ratios are independently associated with cognitively impaired older persons with HIV, which represents another factor that could be addressed to identify individuals at risk and focus on cognitive screening as well as correction of other modifiable risk factors.< Réduire

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CD4+ /CD8+ ratio

Cognitive impairment

HIV

Older adults

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Association between a lower T-CD4+ /CD8+ lymphocyte ratio and cognitive impairment in older persons with HIV.

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