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Type of initial brainstem auditory evoked potentials (BAEP) impairment and risk factors in premature infants
Journal article   Peer reviewed

Type of initial brainstem auditory evoked potentials (BAEP) impairment and risk factors in premature infants

Chantal Ferber-Viart, Thierry Morlet, Ste´phane Maison, Roland Duclaux, Guy Putet and Christian Dubreuil
Brain & development (Tokyo. 1979), v 18(4), pp 287-293
01 Jul 1996
DOI: https://doi.org/10.1016/0387-7604(96)00012-5
PMID: 8879647
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

BAEP Brainstem auditory evoked potential Premature infant Risk factor
Brainstem auditory evoked potentials (BAEPs) were recorded in 89 premature infants aged between 34 and 52 weeks. 47.2% had normal and 52.8% abnormal BAEPs in at least one ear. Seven risk factors were taken into account: birth weight lower than 1500 g, hypoxia, neurological damage, fetal pathology, associated malformation, the use of ototoxic drugs, and exchange transfusion. The type of BAEP impairment was defined as either endocochlear, transmission or retrocochlear damage. Percentage BAEP impairment was higher in case of hypoxia (63.3%) but remained similar whether the other risk factors were present or absent. Transmission impairment was more frequent in case of birth weight lower than 1500 g, hypoxia or ototoxic drug administration; Endocochlear damage occurred more frequently when ototoxic drugs had been used or exchange transfusion performed. When birth weight was lower than 1500 g, transmission damage was more frequent than when birth weight was higher than 1500 g. In contrast, endocochlear damage was more frequent when birth weight was higher than compared with lower than 1500 g. In male infants, BAEP impairment was more frequent and more often of retrocochlear type than in female infants. BAEP impairment was more frequently of endocochlear type in female compared to male infants. Among the 89 premature infants recorded, 11.2% has endocochlear damage corresponding to potentially handicapping hearing loss. These results are discussed with reference to the literature.

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Collaboration types
Domestic collaboration
Web of Science research areas
Clinical Neurology
Pediatrics
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