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[Standards for carrying out and interpreting visual evoked potentials in children]
A Recasén Linares1, M C Pérez Abalo, J Guilarte Téllez
1Departamento de Neurofisiología Clínica, Hospital interprovincial Clinico Quirurgico Saturnino Lora, Santiago de Cuba, Cuba. dilu@medired.scu.sld.cu
Revista De Neurologia
|January 11, 2002
Summary
Visual evoked potentials (VEP) using light-emitting diodes (LED) show age-related changes in children aged 1-5 years. Latency decreases and amplitude changes occur, with adult-like responses by age 4-6.
Area of Science:
- Neuroscience
- Ophthalmology
- Pediatrics
Context:
- Visual evoked potentials (VEP) are crucial for assessing visual pathway function.
- Light-emitting diodes (LED) offer a standardized method for VEP stimulation.
- Understanding VEP development in children is essential for clinical application.
Purpose:
- To describe visual evoked potentials (VEP) to light-emitting diodes (LED) in healthy children aged 1-5 years.
- To analyze age-related changes in VEP parameters (latency and amplitude) during neurodevelopment.
- To establish normative data for VEP in pediatric populations.
Summary:
- VEP to LED were recorded in 60 children (1-5 years old) under sedation.
- Results indicate significant reductions in VEP latency and amplitude (N1, P1) with increasing age.
- VEP morphology was reproducible, and sedation minimally affected P1 amplitude.
Impact:
- Normative VEP data for LED stimulation in children aged 1-5 years were established.
- Findings demonstrate significant maturational changes in the visual pathway.
- This study provides essential data for the clinical interpretation of VEP in pediatric practice.