High prevalence of antiphospholipid antibodies in children with epilepsy: a controlled study of 50 cases - PubMed (original) (raw)

High prevalence of antiphospholipid antibodies in children with epilepsy: a controlled study of 50 cases

K Eriksson et al. Epilepsy Res. 2001 Aug.

Abstract

Evidence of immune system aberrations in patients with epilepsy includes antiphospholipid antibody positivity in adult patients with epilepsy with a prevalence of 19-26% and in 13% of children with partial epilepsy. Also immunoglobulin A deficiency has been reported to exist in up to 25% of epilepsy patients. The possible role of immune mechanisms in the pathogenesis of childhood epilepsy is clinically supported by the effectiveness of immunomodulatory treatments in cases with catastrophic childhood epilepsies. We analyzed a set of various autoantibodies in 50 consecutive children with epilepsy and in 20 healthy control subjects. None of the children had any clinical signs of immune system disorders. The main result was a significantly (P=0.011) higher prevalence of antiphospholipid antibodies in the study group (44%) compared with controls (10%). These antibodies were unexpectedly common (71-80%) in children with multiple seizure types associated often with symptomatic etiology, early onset and high frequency of seizures. There was no evidence of the antiphospholipid positivity being induced by certain AEDs (e.g. phenytoin or carbamazepine). Even though the significance of these autoantibodies remains unknown, their increased prevalence indicates that immune system mediated mechanisms may have a role in the manifestation of epilepsy in some children.

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