2006
DOI: 10.1590/s1676-26492006000100007
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Epilepsia do lobo temporal mesial associada à esclerose hipocampal

Abstract: INTRODUÇÃO: A importância clínica da epilepsia do lobo temporal mesial (ELTM) decorre de sua alta prevalência e elevada proporção de pacientes com crises epilépticas refratárias ao tratamento medicamentos; sendo a esclerose mesial a etiologia encontrada em 50-70% dos pacientes com ELTM refratária ao tratamento clínico. OBJETIVO: Revisão, atualização e discussão dos aspectos clínicos, de histologia e fisiopatogenia da ELTM associada à esclerose hipocampal. RESULTADOS: Apesar da relação entre esclerose hippocamp… Show more

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Cited by 16 publications
(14 citation statements)
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“…Fur-thermore, the higher prevalence of this syndrome in the study can also be explained by the fact that CEPESC is a tertiary unit that attends difficult-to-control epilepsy patients. TLE is frequently associated with resistance to drug treatment, and hippocampal sclerosis is the main etiology, found in 50-70% of patients 21,22 . The mean score from the questionnaire was 3.2 (SD= 0.49), while Kass et al 16 found 2.8 (SD=0.83).…”
Section: Discussionmentioning
confidence: 99%
“…Fur-thermore, the higher prevalence of this syndrome in the study can also be explained by the fact that CEPESC is a tertiary unit that attends difficult-to-control epilepsy patients. TLE is frequently associated with resistance to drug treatment, and hippocampal sclerosis is the main etiology, found in 50-70% of patients 21,22 . The mean score from the questionnaire was 3.2 (SD= 0.49), while Kass et al 16 found 2.8 (SD=0.83).…”
Section: Discussionmentioning
confidence: 99%
“…66 Furthermore, seizures can induce reactive gliosis generated by cell death and induced by these long-lasting convulsions. 67 These modifications promote synaptic remodeling, which can change the excitability of neurons from temporal structures, leading to the appearance of brain damage and a permanent hyperexcitability. 66 The silent phase of pilocarpine model is marked by an important unbalance between inhibition and excitation 68 .…”
Section: Experimental Epilepsymentioning
confidence: 99%
“…19,60 Evidence of altered cell morphology in the pilocarpine model has been provided mostly for the hippocampus. 67 Altered distribution of dendritic spines in dentate granule cells and distorted dendritic trees in putative GABAergic hippocampal interneurons are some of these changes. 19,66 Additional morphological changes are the emergence of axonal sprouting -the most notable being the supragranular mossy fiber sprouting, granule cell dispersion, increased rate of neurogenesis, and development of granule [75][76] .…”
Section: Malnutrition and Epilepsymentioning
confidence: 99%
“…A manutenção da fala durante a crise ou a afasia pós-ictal auxiliam na lateralização do hemisfério dominante. Analisando eletroencefalograficamente o padrão interictal de espículas é localizado em 96% dos pacientes na região anterotemporal (T3-F7/T4-F8) do padrão 10/20, podendo ser auxiliado por achados em eletrodos esfenoidais e FT9/FT10; enquanto o padrão ictal é de ondas típicas de 5-9Hz na região temporal (Andrade-Valença et al, 2006;Landazuri, 2014). Deve-se saber que a epilepsia neocortical em uma área silenciosa não temporal que se propague para uma via límbica pode gerar uma semiologia de crise idêntica a ELTM (Engel, 1996), mas achados eletroencefálicos podem diferenciá-la de uma ELTM.…”
Section: Epilepsia E Epilepsia De Lobo Temporalunclassified
“…Indo ao encontro de achados histológicos de pacientes e modelos animais que demonstraram compatibilidade entre as modificações em hipocampo, amígdala e córtex entorrinal (Fujikawa e Itabashi, 1994;Miller et al, 1994;Cendes et al, 1995;De Lanerolleet al, 2003;Andrade-Valença et al, 2006; Al Sufiani e Ang, 2012), especialmente quanto a alterações de neurotransmissores e receptores NMDA e GABA (Sherwin, 1999;Malthankar-Phatak et al, 2006), pretende-se localizar modificações na expressão gênicas equivalentes em espécimes de amígdalas humanas, neste estudo.…”
Section: A Importância Dos Estudos Com Tecido De Amígdala Humanounclassified