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CSF protein profile in infantile spasms. Influence of etiology and ACTH or dexamethasone treatment

CSF protein profile in infantile spasms. Influence of etiology and ACTH or dexamethasone treatment

Epilepsia 25(3): 368-376

CSF proteins in 107 children ranging from 3 to 24 months of age were analyzed by means of quantitative zone electrophoresis on agarose gel. Subjects included 50 children with infantile spasms, 41 children without CNS disease serving as controls, and 16 infants with acute aseptic meningitis who demonstrated the protein pattern of blood-CSF barrier disturbance. Children with infantile spasms were subdivided into several groups according to etiological categories: symptomatic (pre-, peri-, and postnatal), doubtful, and cryptogenetic. Before any treatment was started, these children showed the protein profile of increased permeability of the blood-CSF barrier, especially for albumin. There was an association between the severity of the changes and the etiological category. Changes were most marked in the symptomatic group, intermediate in the doubtful group, and slight in the cryptogenetic group. No child with infantile spasms of doubtful or unknown etiology revealed changes of the immunoglobulin-containing gamma fractions. Ten children who had received adrenocorticotropic hormone (ACTH) or dexamethasone for 2-11 weeks no longer showed any protein leakage into the CSF. The period of ACTH or dexamethasone treatment was characterized by the following findings: the disappearance or reduction of hypsarrhythmia; the reappearance of normal cerebrovascular permeability for protein; and the occurrence of reversible dilatation of the subarachnoid and intraventricular spaces.

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Accession: 042429349

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PMID: 6327252

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