Otoacoustic Emissions and Evoked Potentials in Infants after Breast-Feeding Jaundice——Hearing Dysfunction in Breast-Feeding Jaundice — Oak Academic Publishing
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Otoacoustic Emissions and Evoked Potentials in Infants after Breast-Feeding Jaundice——Hearing Dysfunction in Breast-Feeding Jaundice
Laboratory of Cognitive Neurophysiology, National Institute of Rehabilitation, Mexico City, Mexico
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Laboratory of Cognitive Neurophysiology, National Institute of Rehabilitation, Mexico City, Mexico
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Laboratory of Cognitive Neurophysiology, National Institute of Rehabilitation, Mexico City, Mexico
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Laboratory of Clinical Neu-rophysiology, National Institute of Rehabilitation, Mexico City, Mexico
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Laboratory of Clinical Neu-rophysiology, National Institute of Rehabilitation, Mexico City, Mexico
1 Laboratory of Cognitive Neurophysiology, National Institute of Rehabilitation, Mexico City, Mexico
2 Laboratory of Cognitive Neurophysiology, National Institute of Rehabilitation, Mexico City, Mexico
3 Laboratory of Cognitive Neurophysiology, National Institute of Rehabilitation, Mexico City, Mexico
4 Laboratory of Clinical Neu-rophysiology, National Institute of Rehabilitation, Mexico City, Mexico
5 Laboratory of Clinical Neu-rophysiology, National Institute of Rehabilitation, Mexico City, Mexico
We study hearing in a group of infants with Breast-feeding jaundice (BFJ) by means of Transient-evoked otoacoustic emissions (T-EOE) and Brainstem auditory evoked potentials (BAEP) searching for relationship between bilirubin serum levels and auditory dysfunction. Eleven infants born at-term with BFJ were selected for the study. We studied also 11 control age- and gender matched healthy at-term infants without signs of jaundice. T-EOAE studies were performed between 5-7 days after birth, and 3 months later. BAEP studies were performed once. BFJ group infants exhibited lower amplitudes in T-EOE than infants in the control group. These differences disappear at the 3-month evaluation. In BAEP, we observed a significant latency delay of waves I and V in Breast-feeding jaundice group infants. All infants in both groups demonstrated reproducible wave V response at 30 decibels. No significant correlation values were observed between bilirubin serum levels and T-EOE and BAEP variables. Our data suggest that BFJ can result in transient peripheral and central auditory dysfunction. Dysfunction is reversible after treatment of infants with BFJ.
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