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Foram submetidos a eletrorretinografia por padrão reverso (PERG) 17 pacientes com o diagnóstico de enxaqueca sem aura através dos critérios estabelecidos pela Sociedade Internacional de Cefaléia. O estímulo usado em nossos enfermos foi o estruturado produzido por aparelho de televisão de 20 polegadas. A frequência foi de 1 estímulo por segundo e o total de estímulos somados foi de 512. Constatamos as latências das ondas P 50 e N 95 dentro dos limites de normalidade em todos os nossos casos, a exceção de um em que no olho esquerdo não houve ondas detectadas. Será necessário maior número de exames para que no futuro possamos obter dados que nos ajudem a entender a fisiopatologia da enxaqueca. Seventeen patients with migraine without aura were investigated: the age was between 16 and 39 years, 6 were men and 11 women. The diagnosis of migraine was made according to the classification proposed by the International Headache Society. The method of electroretinogram was performed with pattern reversal (PERG), with monocular stimulation. The stimulation was performed with pattern reversal with 4 x 4 cm black and white squared screen placed one meter from nasion at stimulus frequency 1/s; 512 individual trials were analysed. The PERG did not show a significant increase in the value of the P 50 and N 95 latency in our cases. Specifically in one of our cases no wave was detected in the left eye

Eletrorretinografia por padrão reverso em pacientes com enxaqueca sem aura