Neurological complications occurred in 6 children, aged 6 months to 5 years, with acquired immune deficiency syndrome who were followed for 14 months. The most frequent manifestations included encephalopathies, acquired microcephaly, and pyramidal tract signs. Computed tomographic examinations showed variable degrees of cortical atrophy with ventricular dilatation and calcification. Electrophysiological abnormalities were demonstrated. Two children had documented central nervous system infections. Neurological deterioration resulted in dementia in 3 children. Cognitive impairment and developmental delays were evident in the other 3. Postmortem examination of the 3 children who died showed subacute cytomegalovirus encephalitis in 1; nonspecific hemispheric white matter changes, calcific vasopathy of the basal ganglia, and striking bilateral corticospinal tract degeneration in the second; and extensive calcific vasopathy of the basal ganglia and frontal centrum semiovale, and bilateral attenuation of the frontopontine and corticospinal tracts in the third.
CT or postmortem examination demonstrated calcification of the basal ganglia in eight infants and children with acquired immune deficiency syndrome. Serial CT studies documented progression of both bilateral symmetric calcium densities and cerebral atrophy. Clinical features included progressive encephalopathy with dementia, and pyramidal tract signs. Postmortem examination of four children revealed variable degrees of calcific vasopathy of the basal ganglia, involving predominantly the putamen and globus pallidus.
Developmental abnormalities in 16 pediatric patients with AIDS or AIDS-Related Complex (ARC) were previously described. Neurological deterioration was in evidence on follow-up in 9 of the children, 5 died since the original assessments were performed. Ten patients were reevaluated 14 months later by cognitive testing. Two showed greater progress than expected on the basis of earlier test results; 6 showed the expected level of developmental progress; and the remaining 2 showed regression in cognitive functioning. All patients who exhibited regression in their developmental course showed deterioration in their neurological examinations. Developmental progression was noted in some children who on follow-up serial examinations exhibited a clinically deteriorating neurological picture. Pediatric AIDS patients manifest variable neurodevelopmental courses. As a result, rehabilitative intervention services must be tailored to meet individual needs.
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