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Auditory neuropathy/dyssynchrony as a cause of failed neonatal hearing screening.

M M Maris, C C Venstermans, and A N AN Boudewyns

Int J Pediatr Otorhinolaryngol 75(7):973-5 (2011) PMID 21596446

The prevalence of auditory neuropathy/dyssynchrony (AN/AD) is not exactly known. We retrospectively analysed the prevalence of this condition among 135 infants who failed a neonatal screening. Hearing screening was performed by automated auditory brainstem responses (AABR). Unilateral presence of click-evoked oto-acoustic emissions with absent auditory brainstem responses was found in 4 infants. Magnetic resonance imaging of the posterior fossa showed an aplasia/hypoplasia of the ipsilateral cochlear nerve in these 4 cases. The prevalence of AN/AD was 19% in infants with confirmed hearing loss. Our findings underscore the role of AABR in neonatal hearing screening.

Copyright © 2011 Elsevier Ltd. All rights reserved.

DOI: 10.1016/j.ijporl.2011.04.012
Version: za2963e q8zad q8zb8 q8zc5 q8zdd q8ze9 q8zf0 q8zg1
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