ArticlePediatric neurology2024
Brain Imaging in New-Onset Seizure of Children Living With Human Immunodeficiency Virus in Zambia.
Article in Pediatric neurology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThere are an estimated 1.5 million children living with human immunodeficiency virus (CLHIV), most residing in sub-Saharan Africa. A common hospital presentation of CLHIV is new-onset seizure, for which imaging is helpful but not routinely performed due to scarce resources. We present imaging findings and their association with clinical risk factors and outcomes in a cohort of Zambian CLHIV presenting with new-onset seizure.
methodsIn this prospective cohort study, participants were recruited at the University Teaching Hospital in Lusaka, Zambia. Various clinical and demographic characteristics were obtained. Computed tomography (CT), magnetic resonance imaging (MRI), or both were obtained during admission or shortly after discharge. If both studies were available, MRI data was used. Two neuroradiologists interpreted images using REDCap-based NeuroInterp, a tool that quantifies brain imaging findings. Age-dependent neuropsychologic assessments were administered.
resultsNineteen of 39 (49%) children had a brain MRI, 16 of 39 (41%) had CT, and four of 39 (10%) had both. Mean age was 6.8 years (S.D. = 4.8). Children with advanced HIV disease had higher odds of atrophy (odds ration [OR] 7.2, 95% confidence interval [CI] 1.1 to 48.3). Focal abnormalities were less likely in children receiving antiretroviral therapy (ART) (OR 0.22, 95% CI 0.05 to 1.0). Children with neurocognitive impairment were more likely to have atrophy (OR 8.4, 95% CI 1.3 to 55.4) and less likely to have focal abnormalities (OR 0.2, 95% CI 0.03 to 0.9).
conclusionsFocal brain abnormalities on MRI were less likely in CLHIV on ART. Brain atrophy was the most common imaging abnormality, which was linked to severe neurocognitive impairment.
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