Abstract
Prolactin levels were measured immediately after the seizure in some, and 15 to 20 minutes later in all of 67 children aged between 6 months and 17 years. Values were determined after grand mal, complex partial and petit mal seizures and psychogen seizures. A more than 2 to 3 fold prolactin increase over the baseline value occurred almost always after grand mal and regularly after complex partial seizures. No hyperprolactinaemia was observed after petit mal seizures. Also after psychogenic seizures a rise in serum prolactin failed. The neurophysiological basis underlying this phenomenon is a decrease of gaba- und dopaminergic systems associated with the seizure. The described method is useful in the differential diagnosis of epileptogenic versus psychogenic seizures.
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