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Migraña clásica: síntomas entre el aura visual y el inicio del dolor de cabeza
1National Hospital for Neurology and Neurosurgery, Queen Square, London, UK.
Lancet (London, England)
|August 8, 1992
Resumen
El intervalo libre de migraña, el tiempo entre el aura visual y el dolor de cabeza, a menudo incluye cambios de humor y trastornos cognitivos, no solo sentirse normal. Estos síntomas sugieren un proceso cerebral generalizado en lugar de un evento vascular localizado.
Área de la Ciencia:
- Neurología Neurología.
- La neurociencia es la neurociencia.
- Fisiología cerebral fisiología cerebral.
Sus antecedentes:
- La migraña clásica se caracteriza por un aura visual que precede al dolor de cabeza.
- El "intervalo libre" es el período entre el final del aura visual y el inicio del dolor de cabeza.
- La naturaleza de los síntomas durante este intervalo libre no se entiende completamente.
Objetivo del estudio:
- Investigar las experiencias subjetivas de los pacientes durante el intervalo libre en la migraña clásica.
- Para caracterizar los síntomas y la duración del intervalo libre.
- Para explorar los posibles mecanismos subyacentes del intervalo libre.
Principales métodos:
- Estudio retrospectivo que involucró a veinticinco pacientes con migraña que informaron un intervalo libre.
- Se entrevistó a los pacientes sobre sus experiencias durante el intervalo libre.
- Se recopilaron datos sobre los tipos y la duración de los síntomas.
Principales resultados:
- Solo 3 de 25 pacientes se sintieron normales durante el intervalo libre.
- 22 pacientes informaron alteraciones del estado de ánimo, desapego, miedos, trastornos del habla / pensamiento o síntomas somáticos.
- El intervalo duró menos de una hora para 17 pacientes y de 1 a 5 horas para 5 pacientes.
Conclusiones:
- El intervalo libre suele ir acompañado de síntomas neurológicos y psicológicos significativos.
- Estos síntomas sugieren la participación de la corteza frontal / temporal y el hipotálamo.
- Los hallazgos apoyan un proceso cerebral difuso, que no propaga la depresión o los mecanismos vasculares.
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