Summary:Multicenter, retrospective analysis of 70 subjects with TSC following surgery for relief of epilepsy revealed significant associations between younger age at seizure onset, present/prior history of infantile spasms, interictal focality (bilateral versus unilateral), and absence of residual postoperative predominant tuber, and poorer postoperative outcome (p < 0.01). Ictal multifocality, mental retardation, and discordant EEG and MRI data showed a negative trend toward outcome, but were not significant.
Summary: Purpose:The association between headache (HA) and epilepsy is well known. However, few previous studies characterized HA types and head sensations (HSens) in large populations of individuals with well-defined forms of epilepsy.Methods: To analyze the incidence of HA in such a group, we compare HA and non-HA patients to identify special predictive factors for HAs or migraine. We also investigate the pathologically verified group for possible correlations with HAs or migraine. One hundred consecutive patients undergoing presurgical evaluation for pharmacologically intractable partial epilepsy were interviewed. For each HA type, we inquired about lateralization, localization, quality of HA, and results of treatment.Results: Periictal HAs were reported by 47 patients. Of those, 11 had preictal HA (PIHA), and 44 had postictal HA (PostHA). Eight patients had both PIHA and PostHA. Interictal HAs (InterHAs) were reported by 31 patients. Twenty-nine (62%) of 47 patients had frontotemporal HAs. Twenty-five patients had migraine-like HA without aura: 18 (60%) of 30 patients with temporal lobe epilepsy (TLE) and seven (41%) of 17 with extratemporal epilepsy (ETE). No correlation between pathology and presence of HA was found in 59 pathologically verified patients, except in four who had arteriovenous malformations (AVMs): three had and one did not have HAs. Eighteen patients had, in addition, poorly localized and ill-described HSens other than HAs.Conclusions: We confirm an association between focal epilepsy and HAs, including migraine without aura. This is true for both TLE and ETE. PIHA and even prodromal HA may be related to the epileptic discharge and may have lateralizing value. This association is not recognized by the current International Headache Society (IHS) classification. The presence of HA and migraine is not related to the underlying epileptogenic pathology except in patients with AVMs.
A link between migraine with aura and cardiac right-to-left shunting has been previously reported. Abortion or decreased frequency of migraine with aura attacks after atrial septal defect closure has been reported in the literature. We report the first case of transformation of migraine with aura into a daily pattern after atrial septal defect closure. A 48-year-old male who had been suffering from rather infrequent attacks of migraine with sensory and visual aura underwent transcutaneous closure of an atrial septal defect. His migraine attacks changed into a daily pattern the day following the procedure and remained so for 6 months. This change in pattern may be related to a changed intra-atrial pressure after the closure or some other unknown factor.
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