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Cerebral aneurysms in a child with acquired immune deficiency syndrome during rapid immune reconstitution

Joshua L Bonkowsky1, John C Christenson, G William Nixon

  • 1Department of Pediatrics, University of Utah, Salt lake City 84132, USA.

Journal of Child Neurology
|August 15, 2002
PubMed

Insights

A pediatric AIDS patient developed confusion and movement issues due to cerebral aneurysms. This immune reconstitution inflammatory syndrome may stem from chronic vascular infections.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Immunology

Background:

  • Human immunodeficiency virus (HIV) infection in children can lead to complex neurological complications.
  • Centers for Disease Control and Prevention (CDC) class C3 disease indicates advanced HIV/AIDS with significant immune suppression.
  • Antiretroviral therapy (ART) is crucial for managing HIV but can sometimes trigger immune reconstitution inflammatory syndrome (IRIS).

Observation:

  • A 12-year-old boy with perinatally acquired HIV and advanced CDC class C3 disease experienced acute confusion and a movement disorder.
  • This occurred 5 months into a new ART regimen, coinciding with a dramatic increase in his CD4+ T cell count (from <50 to >250 cells/microL).
  • Neuroimaging revealed cerebral aneurysms and new ischemic stroke lesions.

Findings:

  • The neurological symptoms and vascular findings emerged during a period of immune reconstitution.
  • Cerebral aneurysms and ischemic strokes in this context suggest a potential link to IRIS.
  • The findings point towards an immune-mediated response targeting chronic vascular infections.

Implications:

  • Cerebral aneurysms in pediatric AIDS patients may be an underrecognized manifestation of IRIS.
  • This highlights the importance of considering immune-mediated inflammatory processes in neurological complications during ART initiation or changes.
  • Further research is needed to elucidate the mechanisms and optimize management of IRIS-related vascular complications in pediatric HIV.

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