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 Printable version |
Electrophysiological characterisation of myoclonic-atonic seizures in symptomatic continuous spike-waves during slow sleep syndrome |
Epileptic Disorders. Volume 11, Number 1, 90-4, March 2009, Clinical commentary with video sequences
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 Free Article
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Author(s) : Pascal Vrielynck, Pierre Defresne |
Summary : Sudden epileptic falls are frequently reported in continuous spike-waves during slow sleep (CSWS) syndrome. Inhibitory seizures are usually considered as the underlying mechanism. However, published polygraphic recordings are rare. We report the case of a 22 month-old boy suffering from a symptomatic CSWS syndrome associated with a perinatal stroke involving the right middle cerebral artery territory. He presented with psychomotor regression and daily multiple falls related to myoclonic-atonic seizures. Neurophysiological examination showed secondary generalized myoclonus systematically correlated with a bilateral spike spreading from the right central area. This confirms that positive myoclonus, in addition to negative myoclonus, may be responsible for epileptic falls in CSWS syndrome. [Published with video sequences] |
Keywords : epileptic falls, myoclonic-atonic seizures, continuous spike-waves during slow sleep, video-EEG |
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