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Related Experiment Videos

[Evoked potentials in HIV infection].

H Somma-Mauvais1, G Farnarier

  • 1Service de neurologie, hôpital Sainte-Marguerite, Marseille, France.

Neurophysiologie Clinique = Clinical Neurophysiology
|November 1, 1992
PubMed
Summary
This summary is machine-generated.

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Multimodal evoked potentials show significant abnormalities in HIV patients, even those without AIDS. These findings highlight widespread neurological involvement in HIV infection, impacting visual, auditory, somatosensory, and motor pathways.

Area of Science:

  • Neuroscience
  • Infectious Diseases
  • Clinical Electrophysiology

Context:

  • Human Immunodeficiency Virus (HIV) infection can lead to neurological complications.
  • Evoked potentials are sensitive electrophysiological measures of neural pathway integrity.
  • Literature review of multimodal evoked potentials in HIV-infected individuals.

Purpose:

  • To synthesize findings on evoked potential abnormalities in HIV patients.
  • To assess the prevalence of neurological involvement across different stages of HIV infection.
  • To evaluate the utility of various evoked potential modalities in detecting HIV-associated neurological dysfunction.

Summary:

  • Visual evoked potentials (VEPs) showed prolonged P100 latency in 22% of asymptomatic and 26% of symptomatic HIV subjects.

Related Experiment Videos

  • Brainstem auditory evoked potentials (BAEPs) revealed increased interpeak latency I-V in 16% of asymptomatic and 32% of symptomatic HIV subjects.
  • Somatosensory evoked potentials (SEPs) and motor evoked potentials (MEPs) indicated central conduction abnormalities, particularly in symptomatic patients and with tibial nerve stimulation.

    • Impact:

    • Evoked potentials are valuable tools for detecting subclinical and clinical neurological damage in HIV.
    • Findings underscore the importance of electrophysiological assessment in managing HIV patients.
    • Abnormalities are present across visual, auditory, somatosensory, and motor systems, indicating broad neurological impact.