CEREBROSPINAL FLUID MYELIN BASIC PROTEIN IMMUNOREACTIVITY AS AN INDICATOR OF BRAIN DAMAGE IN CHILDREN

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Abstract
Cerebrospinal fluid (CSF) myelin basic protein (MBP) was measured blind by double antibody competitive inhibition radioimmunoassay (RIA) in 20 children who had seizures and 17 children with hydrocephalus. MBP values correlated with clinical outcome and mean maximum intracranial pressure (ICP) in the hydrocephalic group, and with type of convulsion in the epileptic group. A value of 20ng/ml or more was regarded as significantly raised. A significant rise in MBP levels could be demonstrated in those with ICP alone and in patients with additional problems, whose levels tended to be even higher. Hydrocephalic children with normal ICP and children with seizures had similar normal MBP levels, and in the latter group clinical outcome was not related to MBP levels. For individual patients CSF MBP is of little value as a prognostic indicator, or as a method of quantifying cerebral damage.