caracterización etiológica del síndrome de lennox-gastaut sintomático etiological characterization of the symptomatic lennox-gastaut syndrome

Clicks: 311
ID: 225959
2012
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Abstract
Introducción: el síndrome de Lennox-Gastaut es una encefalopatía epiléptica dependiente de la edad, de gran severidad, por su farmacorresistencia y las discapacidades asociadas. Objetivos: caracterizar el síndrome de Lennox-Gastaut sintomático según sexo, edad de inicio y diagnóstico, tipo de crisis predominantes, hallazgos en neuroimagen y etiología. Métodos: estudio descriptivo, retrospectivo con una muestra de 36 pacientes egresados del servicio de neuropediatría del Hospital Pediátrico "Juan M. Márquez", con diagnóstico de síndrome de Lennox-Gastaut sintomático y que tuvieran estudios de neuroimagen (tomografía axial computarizada y resonancia magnética nuclear). Las variables cualitativas se describieron estadísticamente mediante frecuencias absolutas y cifras porcentuales. Para los porcentajes de interés, se calculó su intervalo de confianza con el 95 % de confiabilidad (IC 95 %). Resultados y conclusiones: el síndrome de Lennox-Gastaut sintomático fue más frecuente en varones, que comenzaron con epilepsia antes del año de edad, el 33 % presentó síndrome de West. Más del 60 % se diagnosticó antes de los 4 años de edad. Las crisis más frecuentes fueron las tónicas y atónicas de cuello. La tomografía axial computarizada permite localizar zonas de atrofia y pocas lesiones estructurales, que se precisan por resonancia magnética nuclear como alteraciones de la migración neuronal. Después de las malformaciones del sistema nervioso central, la causa más frecuente fue la hipoxia perinatal.
Introduction: the Lennox-Gastaut syndrome is an age-dependent epileptic encephalopathy very severe due to its drug-resistance and the associated inabilities. Objectives: to characterize the symptomatic Lennox-Gastaut syndrome, according to sex, onset age and diagnosis, type of predominant crises, findings in neuroimage and etiology. Methods: a retrospective and descriptive study was conducted in 36 patients discharged from the neuropediatric service of the "Juan Manuel Márquez" Children Hospital diagnosed with symptomatic Lennox-Gastaut syndrome and underwent neuroimage studies (computerized axial tomography and nuclear magnetic resonance). Qualitative variables were statistically described by means of absolute frequencies and percentage figures. For interesting percentages, its 95 % confidence interval (CI) was estimated (95 % CI). Results and conclusions: the symptomatic Lennox-Gastaut syndrome was more frequent in males starting with epilepsy before one year old. The 33 % had West's syndrome. More than 60 % was diagnosed before the four years old. The more frequent crises were the tonic and atonic ones of neck. The CAT allows locating zones of atrophy and few structural lesions signaled b y nuclear magnetic resonance (NMR) as alterations of neuronal migration. After the central nervous system (CNS) malformations, the more frequent cause was the perinatal hypoxia.
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Authors ;Ileana Valdivia Álvarez;Pedro Marrero Martínez
Journal studies in the history of gardens and designed landscapes
Year 2012
DOI
DOI not found
URL
http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S0034-75312012000100003
Keywords
etiology lennox-gastaut syndrome crisis tónicaspediatrics

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