Abstracts

Objective The comorbidity of epilepsy and migraine is common. The purpose of this study was to evaluate this association in a sample of our patient population. Methodology This is an observational, transversal study made in Centro Medico Nacional 20 de Noviembre from November 2009 to May 2010, in 60 patients over 18 years (27 women and 33 men) with epilepsy according to the ILAE s criteria. Results 37/60 (61%) reported headache. Of these 37 patients, 26% regarded the seizures as a trigger of headache, 59% presented headache from 24 to 72 hours before the seizures, 24% with a diagnosis of migraine after the diagnosis of epilepsy Symptoms preceding the headache: 29% none, 24% D j vu, 21% visual disturbances, 12% dizziness. Accompanying symptoms: 24% sonophobia, 20% photophobia, 18% nausea, 10% cacosmia. Triggers for seizures: headache in 26%, stress in 38%. 76% had headache in the first 24 hours after seizures. Conclusions One third of patients reported headache of any kind. Of those who reported headache, 27% had migraine s criteria (prevalence in the general population in M xico is 12%). The rest presented seizures associated with headache (76%), although only 26% considered that headache triggered their seizures.