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Arq. neuropsiquiatr ; 73(2): 79-82, 02/2015. tab
Article in English | LILACS | ID: lil-741185

ABSTRACT

Objective Patients with mesial temporal lobe epilepsy (MTLE) may present unstable pattern of seizures. We aimed to evaluate the occurrence of relapse-remitting seizures in MTLE with (MTLE-HS) and without (MTLE-NL) hippocampal sclerosis. Method We evaluated 172 patients with MTLE-HS (122) or MTLE-NL (50). Relapse-remitting pattern was defined as periods longer than two years of seizure-freedom intercalated with seizure recurrence. “Infrequent seizures” was considered as up to three seizures per year and “frequent seizures” as any period of seizures higher than that. Results Thirty-seven (30%) MTLE-HS and 18 (36%) MTLE-NL patients had relapse-remitting pattern (X2, p = 0.470). This was more common in those with infrequent seizures (X2, p < 0.001). Twelve MTLE-HS and one MTLE-NL patients had prolonged seizure remission between the first and second decade of life (X2, p = 0.06). Conclusion Similar proportion of MTLE-HS or MTLE-NL patients present relapse-remitting seizures and this occurs more often in those with infrequent seizures. .


Objetivo Pacientes com epilepsia do lobo temporal mesial (ELTM) podem apresentar padrão instável de crises epilépticas. Nosso objetivo foi avaliar ocorrência de crises remitente-recorrentes em ELTM com (ELTM-EH) e sem (ELTM-NL) esclerose hipocampal. Método Avaliamos 172 pacientes com ELTM-EH (122) ou ELTM-NL (50). Padrão remitente-recorrente foi definido como períodos superiores a dois anos de remissão intercalados com recorrência de crises. Até três crises por ano foram consideradas como "infrequentes" e qualquer período com frequência maior como "frequentes". Resultados Trinta e sete (30%) pacientes com ELTM-EH e 18 (36%) com ELTM-NL apresentaram crises remitente-recorrentes (X2, p = 0,470), mais comum naqueles com crises infrequentes (X2, p < 0,001). Doze pacientes com ELTM-EH e um ELTM-NL apresentaram remissão prolongada de crises entre a primeira e a segunda década de vida (X2, p = 0,06). Conclusão Proporção semelhante de pacientes com ELTM-EH e ELTM-NL apresentam crises remitente-recorrentes e isso ocorre com maior frequência em pacientes com crises esporádicas. .


Subject(s)
Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Young Adult , Epilepsy, Temporal Lobe/physiopathology , Hippocampus/pathology , Seizures/physiopathology , Age of Onset , Electroencephalography , Epilepsy, Temporal Lobe/pathology , Magnetic Resonance Imaging , Recurrence , Retrospective Studies , Sclerosis , Seizures/pathology , Time Factors
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