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  • Title: Auditory brainstem response in infant hydrocephalus.
    Author: McPherson DL, Amlie R, Foltz E.
    Journal: Childs Nerv Syst; 1985; 1(2):70-6. PubMed ID: 4005886.
    Abstract:
    Fifteen infants with hydrocephalus ranging in age from 32 to 43 weeks from conception were studied. The auditory brainstem response (ABR) was measured 48 h prior to the placement of a CSF shunt and within 5 days following shunt insertion. Results of this study showed a general improvement in the ABR following placement of the shunt. No consistent patterns were observed that allowed a clear explanation of the cause and effect of the abnormal ABR. However, the changes seen in the ABR are caused by increased CSF pressure, which may compress the transmission fibers, and generators of the ABR producing a type of neuropraxis. Early shunting appears to have a better outcome on the ABR than later shunting.
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