atividade epileptiforms occipital com ou sem bloqueio pela abertura dos olhos: estudo comparativo clínico-eletrencefalográfico occipital epileptiform activity with or without blocking by eyes opening: a comparative clinical and electroencephalographic study

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ID: 129648
1995
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Abstract
Atividade epileptiforme occipital bloqueada pela abertura dos olhos (AEOB) foi descrita por Gastaut como elemento constitutivo do quadro da epilepsia idiopática parcial da infância com paroxismos occipitais. Estudamos comparativamente 20 pacientes com AEOB e 120 casos com atividade epileptiforme occipital não bloqueada pela abertura dos olhos (AEO). Houve tendência ao aparecimento mais precoce de AEO (predomínio até os 7 anos de idade) do que AEOB e ao início mais frequente das crises antes dos 4 anos de idade no grupo AEO do que em AEOB. Não houve diferença significativa entre os grupos AEOB e AEO quanto ao relato de epilepsia (70,0% e 61,6%, respectivamente) e evidências de lesões do sistema nervoso central. Convulsões febris, isoladamente, foram apenas relatadas no grupo AEO (11,6%). Atraso no desenvolvimento neuropsicomotor foi relatado apenas no grupo AEO (22,5% dos casos). Complexos ponta-onda foram registrados com maior frequência no grupo AEOB (80,0%) do que em AEO (17.5%). Nossos dados sugerem diferenças no contexto clínico e eletrencefalográfico entre os grupos com AEO e AEOB.
Occipital epileptiform activity blocked by eyes opening (OEAB) is primarily observed in childhood epilepsy with occipital paroxysms but may be also found in cases of benign childhood epilepsy with centrotemporal spikes, cryptogenic/symptomatic partial epilepsies, idiopathic generalized epilepsies and in patients with no seizures. We studied comparatively EEG and clinical features of 20 patients with OEAB and 120 patients with occipital epileptiform activity not suppressed by eyes opening (OEA). Epileptiform activity (OEA or OEAB) was registered until the 7 years of age in 67.5% of the patients with OEA and in 45% of the patients with OEAB. Epileptic seizures began before 4 years of age in 44.4% of the cases with OEA and in 14.2% in the group OEAB. Febrile convulsions alone occurred only in the OEA group (12.5%). Developmental retardation was referred in 27 patients with OEP. The occurrence of spike and wave complexes was statistically more frequent among patients with OEAB (80.0%) as opposed to patients with OEA (17.5%), Our findings suggest clinical and electroencephalographic differences between children with OEA and OEAB.
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Authors ;Lineu Corrêa Fonseca;Glória M.A.S. Tedrus
Journal communications in computer and information science
Year 1995
DOI
10.1590/S0004-282X1995000500002
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X1995000500002
Keywords
EEG childhood focal epilepsy neuropsychiatry biological psychiatry epileptiform activityneurosciences

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