Journal of NeuroVirology

, Volume 21, Issue 2, pp 105–112 | Cite as

Association between brain volumes and HAND in cART-naïve HIV+ individuals from Thailand

  • Jodi M. Heaps
  • Pasiri Sithinamsuwan
  • Robert Paul
  • Sukalaya Lerdlum
  • Mantana Pothisri
  • David Clifford
  • Somporn Tipsuk
  • Stephanie Catella
  • Edgar Busovaca
  • James L. K. Fletcher
  • Benjamin Raudabaugh
  • Silvia Ratto-Kim
  • Victor Valcour
  • Jintanat Ananworanich
  • on behalf of the SEARCH 007/011 study groups
Article

Abstract

This study aimed to determine the effects of human immunodeficiency virus (HIV) on brain structure in HIV-infected individuals with and without HIV-associated neurocognitive disorders (HAND). Twenty-nine HIV-uninfected controls, 37 HIV+, treatment-naïve, individuals with HAND (HIV+HAND+; 16 asymptomatic neurocognitive impairment (ANI), 12 mild neurocognitive disorder (MND), and 9 HIV-associated dementia HAD), and 37 HIV+, treatment-naïve, individuals with normal cognitive function (HIV+HAND−) underwent magnetic resonance imaging (MRI) and neuropsychological assessment. The HIV-infected participants had a mean (SD) age of 35 (7) years, mean (interquartile range (IQR)) CD4 count of 221 (83–324), and mean (IQR) log10 plasma viral load of 4.81 (4.39–5.48). Six regions of interest were selected for analyses including total and subcortical gray matter, total white matter, caudate, corpus callosum, and thalamus. The HIV+/HAND+ group exhibited significantly smaller brain volumes compared to the HIV-uninfected group in subcortical gray and total gray matter; however, there were no statistically significant differences in brain volumes between the HIV+HAND+ and HIV+HAND− groups or between HIV+/HAND− and controls. CD4 count at time of combination antiretroviral therapy (cART) initiation was associated with total and subcortical gray matter volumes but not with cognitive measures. Plasma viral load correlated with neuropsychological performance but not brain volumes. The lack of significant differences in brain volumes between HIV+HAND+ and HIV+HAND− suggests that brain atrophy is not a sensitive measure of HAND in subjects without advanced immunosuppression. Alternatively, current HAND diagnostic criteria may not sufficiently distinguish patients based on MRI measures of brain volumes.

Keywords

HIV-associated neurocognitive disorder Neuroimaging Thailand Cognition 

Supplementary material

13365_2014_309_MOESM1_ESM.docx (16 kb)
Table 1 Supplementary(DOCX 16 kb)
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Table 2 Supplementary(DOCX 15 kb)
13365_2014_309_MOESM3_ESM.docx (15 kb)
Table 3 Supplementary(DOCX 15 kb)

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Copyright information

© Journal of NeuroVirology, Inc. 2015

Authors and Affiliations

  • Jodi M. Heaps
    • 1
  • Pasiri Sithinamsuwan
    • 2
  • Robert Paul
    • 1
  • Sukalaya Lerdlum
    • 5
  • Mantana Pothisri
    • 4
  • David Clifford
    • 3
  • Somporn Tipsuk
    • 11
  • Stephanie Catella
    • 6
  • Edgar Busovaca
    • 7
  • James L. K. Fletcher
    • 11
  • Benjamin Raudabaugh
    • 8
  • Silvia Ratto-Kim
    • 9
    • 10
  • Victor Valcour
    • 6
  • Jintanat Ananworanich
    • 9
    • 10
  • on behalf of the SEARCH 007/011 study groups
  1. 1.Missouri Institute of Mental HealthUniversity of Missouri-St. LouisSt. LouisUSA
  2. 2.Department of Medicine, Division of NeurologyPhramongkutklao HospitalBangkokThailand
  3. 3.Department of NeurologyWashington UniversitySt. LouisUSA
  4. 4.Chulalongkorn University HospitalBangkokThailand
  5. 5.Faculty of MedicineChulalongkorn UniversityBangkokThailand
  6. 6.Memory and Aging Center, UCSF Department of NeurologyUniversity of CaliforniaSan FranciscoUSA
  7. 7.Taub Institute for Research on Alzheimer’s Disease and the Aging BrainColumbia University Medical CenterNew YorkUSA
  8. 8.Columbia University School of NursingNew YorkUSA
  9. 9.U.S. Military HIV Research ProgramWalter Reed Army Institute of Research Silver Spring, MD., Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaUSA
  10. 10.SEARCH, The Thai Red Cross AIDS Research CenterBangkokThailand
  11. 11.Memory and Aging Center, UCSF Department of NeurologyUniversity of CaliforniaSan FranciscoUSA

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