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Auditory testing
Pregunta
I am an audiologist working with a child who has a mild-to-moderate hearing loss and wears behind-the-ear hearing aids. Experience has shown improved test results for kids with CdLS by age two. This child does not respond well in the sound booth and would need to be sedated for a Brainstem Auditory evoked Response (ABR). He is a sedation risk. When would you do the ABR, since it is a risk? When should we give up hope of improved hearing? What are audiologists finding with CdLS and how are the children doing?
Respuesta de nuestros expertos
I am not an audiologist but I will give you what information I can, based on my experiences. Not all children with CdLS show a marked improvement on their hearing tests, although many of them go from severe losses to normal hearing by age two. I cannot respond to the question about when to do the ABR, particularly since this child is a sedation risk. Most children have the ABR during their first year. Some of the hearing results may be due to an auditory neuropathy, although I am not aware of any tests indicating this is the case in this syndrome. Based on what I have learned with other children, the improvement in hearing seems to occur by age 3 years.
I would think that checking the ABR would be helpful from the therapy point of view. Even though there is a sedation risk, you could do the sedation with a pediatric anesthesiologist, who could always contact the pediatric anesthesiologist on our Clinical Advisory Board for advice.
MG/TK 7-13-10
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