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[A case of acquired encephalopathy in a child. A cause that we thought had disappeared]
F Monpoux1, G Pitelet, C Richelme
1Service de pédiatrie, hôpital de l'Archet II, 151, route de Saint-Antoine-de-Ginestière, 06202 Nice cedex 3, France. monpoux.f@chu-nice.fr
Insights
Subacute central nervous system infections, like HIV encephalopathy, can cause progressive developmental delays in infants. Early diagnosis and antiretroviral treatment are crucial for improving neurological outcomes in affected children.
Area of Science:
- Pediatrics
- Neurology
- Infectious Diseases
Background:
- Subacute central nervous system (CNS) infections require consideration in infants with progressive encephalopathy.
- Maternal HIV infection poses a risk for vertical transmission to the infant, potentially leading to neurological complications.
Observation:
- An 18-month-old child presented with spastic hypertonia and axial hypotonia after normal early development.
- The child's mother was diagnosed with HIV, and the infant tested positive for HIV with a decreased CD4 cell count and detectable viral load.
- Brain MRI revealed white matter hypersignals, indicative of CNS involvement.
Findings:
- The infant was diagnosed with HIV-related encephalopathy, presumed to be due to maternal-fetal transmission.
- Antiretroviral therapy, including azidothymidine, lamivudine, and boosted lopinavir, was initiated.
- Neurological symptoms showed improvement after two months of treatment.
Implications:
- HIV infection should be suspected in infants presenting with progressive encephalopathy.
- Routine HIV testing for pregnant women, including repeat testing in the third trimester, is recommended to prevent vertical transmission.
- Timely diagnosis and initiation of antiretroviral therapy can significantly improve neurological outcomes in pediatric HIV encephalopathy.
Abstract:
Subacute central nervous system infection must be considered in any infant presenting with progressive encephalopathy. We present the case of an 18-month-old child with normal neuromotor development until the age of 14 months admitted for spastic hypertonia of the legs and arms associated with axial hypotonia. The mother reported that she recently had been found to be HIV-seropositive. HIV antibodies were negative during the first trimester of pregnancy. On the child's blood sample, the HIV test was positive associated with a major decrease in CD4 cell count. Viral load (ARN-PCR) was 720 copies par millilitre. On brain MRI, hypersignals were found in the white matter. HIV related encephalopathy caused by maternal fetal transmission was diagnosed. After 2 months of antiretroviral treatment (azidothymidine, lamivudine, and boosted lopinavir), the child's neurological condition improved. HIV infection must be suspected in all infants with progressive encephalopathy. The HIV test in pregnant women must be proposed at the beginning of pregnancy and repeated during the last trimester.
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