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[Audiology] hydrocephalus and hearing loss

Neil S. Rothman, Ph.D. via audiolog%40net.bio.net (by neil.rothman from comcast.net)
Tue Jun 5 19:45:18 EST 2007

My company is interested in diagnostic tests for hydrocephalus.  We  
have found very little literature about the effects of hydrocephalus  
on ABR.  I found a posting from you that appears to address this issue:


Maybe an ABR would be helpful.  If the reflex decay is from  
the fourth ventrical is probably involved (compressing the lower pontine
region where CN VII and crossed AR pathways reside).   The ABR is
particularly sensitive to this compression effect and may be used to
monitor changes in function associated with changes in ventricular
pressure.   It would be real helpful if you had a pre-eppisode ABR.   
the neurosurgeon got one after the last shunt?

Good luck

David Zapala

I'm not sure when this is from, but do you have a journal articles or  
references you could point me to?

Thank you.

Neil S. Rothman, Ph.D.
VP Research and Development
Infinite Biomedical Technologies
neil from i-biomed.com
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