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Youth perinatal HIV-associated neurocognitive disorders: association with functional impairment
Nicole Phillips1, Kevin G F Thomas2, Bulelwa Mtukushe1
1Department of Psychiatry and Mental Health, University of Cape Town (UCT), Cape Town, South Africa.
Insights
Cognitive impairment in youth with HIV is linked to functional deficits. Early screening for academic difficulties like repeating grades may identify at-risk youth needing further assessment.
Area of Science:
- Neuroscience
- Pediatrics
- Infectious Diseases
Background:
- HIV infection can lead to functional impairments.
- Cognitive impairment is a potential consequence of HIV-associated neurological damage.
- Understanding the link between cognitive and functional status in youth with HIV is crucial for intervention.
Purpose of the Study:
- To investigate the association between cognitive impairment and functional impairment in youth living with HIV.
- To determine if cognitive impairment increases the risk of functional impairment in this population.
Main Methods:
- A cohort of 203 HIV-infected youth and 44 HIV-uninfected controls was studied.
- Parent-reported functional impairment was assessed using measures like CBCL and VABS2.
- A cognitive battery was administered to assess cognitive impairment, and school data (repeated grades) were collected.
Main Results:
- A strong correlation was found between the degree of cognitive impairment and decreased function across multiple measures (CBCL, VABS2, repeated grades).
- Cognitive impairment was associated with a significantly increased risk of functional impairment (odds ratios ranging from 1.71 to 3.47).
- Repeating a grade was strongly associated with both cognitive impairment and functional impairment.
Conclusions:
- Cognitive impairment is significantly associated with functional impairment in youth with HIV.
- The presence of cognitive impairment elevates the risk for functional impairment in this cohort.
- Screening for academic difficulties, such as repeating a grade, may serve as an effective initial step in identifying youth with HIV who require further functional assessment.
Abstract:
HIV-associated functional impairment may cause cognitive impairment secondary to the viral infection, hence, associations between cognitive impairment and functional impairment in youth living with HIV are important to assess. We sought to determine whether cognitive impairment is associated with functional impairment and if it carries higher risk for also having functional impairment. We collected parent-rated information regarding youth functional impairment on four different measures and administered a cognitive battery to youth to determine cognitive impairment, 203 HIV-infected youth and 44 HIV-uninfected controls. Degree of cognitive impairment correlated strongly with decreased function: CBCL, r = -.17, p = .01; VABS2, r = -.28, p < .001; repeated-grades, r = .26, p < .001. Presence of cognitive impairment was associated with increased risk of functional impairment: 3.47 (CIS); 1.71 (CBCL); 2.17 (VABS2); 2.97 (repeated-grades). Repeated-grades strongly associated with cognitive impairment and functional impairment. We found strong associations between HIV-infected youth functional impairment on CBCL, VABS2 and repeated-grades with degree of cognitive impairment; and that when cognitive impairment was present youth had higher risk of experiencing functional impairment as well. Asking whether youth have repeated a grade at school could be a helpful screening question for assessing potential functional impairment and provide clinicians with an indication as to whether a further in-depth assessment is required.
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