Cognitive performance and the thymus among HIV-infected subjects receiving HAART

Maria J. Miguez-Burbano, John E Lewis, Jose Moreno, Joel Fishman

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Objective: To evaluate the impact of alcohol use, which is widespread in human immunodeficiency virus (HIV)+ individuals, on highly active antiretroviral therapy (HAART)- associated immune and cognitive improvements and the relationship between those two responses. Methods: In a case-control longitudinal study, thymic volume, cognition, and immune responses were evaluated at baseline and after 6 months therapy in HIV+ and HIV- controls. Cognitive performance was evaluated using the HIV Dementia Score (HDS) and the California Verbal Learning Test (CVLT). Results: Prior to HAART, thymic volume varied considerably from 2.7 to 29.3 cm3 (11 ± 7.2 cm3). Thymic volume at baseline showed a significantly inverse correlation with the patient's number of years of drinking (r2 = 0.207; p < 0.01), as well as HDS and the CVLT scores in both HIV-infected (r2 = 0.37, p = 0.03) and noninfected (r2 = 0.8, p = 0.01). HIV-infected individuals with a small thymic volume scored in the demented range, as compared with those with a larger thymus (7 ± 2.7 vs. 12 ± 2.3, p = 0.005). After HAART, light/moderate drinkers exhibited thymus size twice that of heavy drinkers (14.8 ± 10.4 vs. 6.9 ± 3.3 cm3). Conclusions: HAART-associated increases of thymus volume appear to be negatively affected by alcohol consumption and significantly related to their cognitive status. This result could have important clinical implications.

Original languageEnglish
Pages (from-to)321-327
Number of pages7
JournalBiologics: Targets and Therapy
Volume2
Issue number2
StatePublished - Dec 1 2008

Fingerprint

Highly Active Antiretroviral Therapy
Thymus Gland
HIV
Verbal Learning
AIDS Dementia Complex
Alcohol Drinking
Cognition
Drinking
Longitudinal Studies
Dementia
Case-Control Studies
Alcohols
Light

Keywords

  • Alcohol
  • CNS
  • Immune
  • Thymus

ASJC Scopus subject areas

  • Oncology
  • Immunology and Allergy
  • Pharmacology (medical)
  • Gastroenterology
  • Rheumatology

Cite this

Cognitive performance and the thymus among HIV-infected subjects receiving HAART. / Miguez-Burbano, Maria J.; Lewis, John E; Moreno, Jose; Fishman, Joel.

In: Biologics: Targets and Therapy, Vol. 2, No. 2, 01.12.2008, p. 321-327.

Research output: Contribution to journalArticle

Miguez-Burbano, Maria J. ; Lewis, John E ; Moreno, Jose ; Fishman, Joel. / Cognitive performance and the thymus among HIV-infected subjects receiving HAART. In: Biologics: Targets and Therapy. 2008 ; Vol. 2, No. 2. pp. 321-327.
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