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How to Obtain Reliable Visual Event-related Potentials in Newborns
Published on: October 24, 2019
Electroencephalogram and flash visual evoked potentials for detecting periventricular leukomalacia
H Kidokoro1, A Okumura, T Kato
1Department of Pediatrics, Anjo Kosei Hospital, Aichi, Japan. kidokoro@kosei.anjo.aichi.jp
Neuropediatrics
|January 24, 2009
Summary
Combining electroencephalogram (EEG) and flash visual evoked potentials (FVEPs) aids in predicting periventricular leukomalacia (PVL) in newborns. This combined approach improves detection rates, compensating for individual test limitations.
Area of Science:
- Neonatal neurology
- Neurophysiology
Background:
- Periventricular leukomalacia (PVL) is a significant cause of neurological impairment in preterm infants.
- Early and accurate prediction of PVL is crucial for timely intervention and improved outcomes.
Purpose of the Study:
- To assess the combined utility of electroencephalogram (EEG) and flash visual evoked potentials (FVEPs) for early prediction of PVL.
- To determine if combining EEG and FVEPs enhances diagnostic accuracy compared to individual methods.
Main Methods:
- Eighty-six infants underwent EEG and FVEP recordings in the early neonatal period.
- EEG monitoring was conducted at regular intervals during the first two months of life.
- FVEPs were recorded at least twice within the first two weeks of life.
Main Results:
- Of 86 infants, 13 were diagnosed with PVL.
- EEG showed abnormalities in 11 PVL infants (sensitivity 0.85, specificity 0.95).
- FVEPs showed abnormalities in 10 PVL infants (sensitivity 0.77, specificity 0.96).
- Combined EEG and FVEP abnormalities were present in 92% of PVL infants.
Conclusions:
- The combination of EEG and FVEPs increases sensitivity for detecting PVL.
- While sensitivity is enhanced, specificity may be reduced when using both methods.
- Combining EEG and FVEPs offers a more comprehensive approach to identify infants at risk for PVL.
