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Differences in Neurocognitive Impairment Among HIV-Infected Latinos in the United States.

Differences in Neurocognitive Impairment Among HIV-Infected Latinos in the United States.
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Marquine MJ, Heaton A, Johnson N, Rivera-Mindt M, Cherner M, Bloss C, Hulgan T, Umlauf A, Moore DJ, Fazeli P, Morgello S, Franklin D, Letendre S, Ellis R, Collier AC, Marra CM, Clifford DB, Gelman BB, Sacktor N, Simpson D, McCutchan JA, Grant I, Heaton RK,


Marquine MJ, Heaton A, Johnson N, Rivera-Mindt M, Cherner M, Bloss C, Hulgan T, Umlauf A, Moore DJ, Fazeli P, Morgello S, Franklin D, Letendre S, Ellis R, Collier AC, Marra CM, Clifford DB, Gelman BB, Sacktor N, Simpson D, McCutchan JA, Grant I, Heaton RK, (click to view)

Marquine MJ, Heaton A, Johnson N, Rivera-Mindt M, Cherner M, Bloss C, Hulgan T, Umlauf A, Moore DJ, Fazeli P, Morgello S, Franklin D, Letendre S, Ellis R, Collier AC, Marra CM, Clifford DB, Gelman BB, Sacktor N, Simpson D, McCutchan JA, Grant I, Heaton RK,

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Journal of the International Neuropsychological Society : JINS 2017 09 0624(2) 163-175 doi 10.1017/S1355617717000832

Abstract
OBJECTIVES
Human immunodeficiency virus (HIV) disproportionately affects Hispanics/Latinos in the United States, yet little is known about neurocognitive impairment (NCI) in this group. We compared the rates of NCI in large well-characterized samples of HIV-infected (HIV+) Latinos and (non-Latino) Whites, and examined HIV-associated NCI among subgroups of Latinos.

METHODS
Participants included English-speaking HIV+ adults assessed at six U.S. medical centers (194 Latinos, 600 Whites). For overall group, age: M=42.65 years, SD=8.93; 86% male; education: M=13.17, SD=2.73; 54% had acquired immunodeficiency syndrome. NCI was assessed with a comprehensive test battery with normative corrections for age, education and gender. Covariates examined included HIV-disease characteristics, comorbidities, and genetic ancestry.

RESULTS
Compared with Whites, Latinos had higher rates of global NCI (42% vs. 54%), and domain NCI in executive function, learning, recall, working memory, and processing speed. Latinos also fared worse than Whites on current and historical HIV-disease characteristics, and nadir CD4 partially mediated ethnic differences in NCI. Yet, Latinos continued to have more global NCI [odds ratio (OR)=1.59; 95% confidence interval (CI)=1.13-2.23; p<.01] after adjusting for significant covariates. Higher rates of global NCI were observed with Puerto Rican (n=60; 71%) versus Mexican (n=79, 44%) origin/descent; this disparity persisted in models adjusting for significant covariates (OR=2.40; CI=1.11-5.29; p=.03). CONCLUSIONS
HIV+ Latinos, especially of Puerto Rican (vs. Mexican) origin/descent had increased rates of NCI compared with Whites. Differences in rates of NCI were not completely explained by worse HIV-disease characteristics, neurocognitive comorbidities, or genetic ancestry. Future studies should explore culturally relevant psychosocial, biomedical, and genetic factors that might explain these disparities and inform the development of targeted interventions. (JINS, 2018, 24, 163-175).

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