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Seizures in human immunodeficiency virus infection
M C Wong1, N D Suite, D R Labar
1Department of Neurology, New York Hospital-Cornell Medical Center, NY 10021.
Archives of Neurology
|June 1, 1990
Summary
Seizures in patients with human immunodeficiency virus (HIV) are often generalized. HIV infection itself, not just secondary brain lesions, frequently causes these seizures.
Area of Science:
- Neurology
- Infectious Diseases
- Immunology
Background:
- Human immunodeficiency virus (HIV) infection can affect the central nervous system.
- Seizures are a significant neurological complication in individuals with HIV.
Purpose of the Study:
- To investigate the characteristics of new-onset seizures in patients with HIV.
- To identify the causes of seizures in this population.
- To determine the role of HIV infection itself in causing seizures.
Main Methods:
- Retrospective study of 630 patients with HIV, focusing on 70 patients with new-onset seizures.
- Analysis of seizure types, associated neurological processes, and treatment outcomes.
- Evaluation of the presence or absence of identifiable brain lesions.
Main Results:
- Generalized seizures were the most common type (94%).
- Identifiable brain lesions (toxoplasmosis, lymphoma, etc.) were found in less than half of the patients.
- In 46% of cases, seizures were attributed to HIV cerebral infection without other identifiable lesions.
- Phenytoin treatment led to adverse reactions in 16 out of 62 patients.
Conclusions:
- The majority of seizures in HIV patients are not caused by secondary focal brain lesions.
- HIV infection alone is a common cause of seizures in affected individuals.
- Further research into the mechanisms of HIV-induced seizures and safer treatment options is warranted.