Document Detail


Auditory System Dysfunction due to Infantile Thiamine Deficiency: Long-Term Auditory Sequelae.
MedLine Citation:
PMID:  22739497     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Eleven infants who were fed a thiamine-deficient formula for a mean of 3 months were evaluated for immediate and long-term auditory abnormalities. At presentation, 8 infants had auditory neuropathy spectrum disorder (ANSD), which resolved with supplementary thiamine in 5 children, was permanent in 2 children, and deteriorated in 1 patient who died at the age of 7 years. An additional patient had an auditory pattern corresponding to that of auditory neuropathy of brain stem origin. The 2 remaining patients had unilateral cochlear hearing loss. Six to 8 years later, all patients with transient ANSD had normal audiograms, 2 patients had unilateral cochlear hearing loss, and the rest had neural hearing loss. All survivors had a language developmental delay and impaired speech intelligibility of varying degrees, especially in the presence of background noise. Thiamine is crucial for normal auditory development and function, and its deficiency may be considered an acquired metabolic cause of ANSD in infants.
Authors:
J Attias; E Raveh; A Aizer-Dannon; A Bloch-Mimouni; A Fattal-Valevski
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-27
Journal Detail:
Title:  Audiology & neuro-otology     Volume:  17     ISSN:  1421-9700     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9606930     Medline TA:  Audiol Neurootol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  309-320     Citation Subset:  -    
Copyright Information:
Copyright © 2012 S. Karger AG, Basel.
Affiliation:
Department of Communication Sciences and Disorders, University of Haifa, Haifa, Israel.
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