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  • Title: Sex-based electroclinical differences and prognostic factors in epilepsy with eyelid myoclonia.
    Author: Cerulli Irelli E, Cocchi E, Ramantani G, Morano A, Riva A, Caraballo RH, Giuliano L, Yilmaz T, Panagiotakaki E, Operto FF, Giraldez BG, Balestrini S, Silvennoinen K, Casciato S, Comajuan M, Fortunato F, Giallonardo AT, Gamirova R, Coppola A, Di Gennaro G, Labate A, Sofia V, Kluger GJ, Gambardella A, Kasteleijn-Nolst Trenite D, Baykan B, Sisodiya SM, Arzimanoglou A, Striano P, Di Bonaventura C, EEM Study Group.
    Journal: Epilepsia; 2023 Jun; 64(6):e105-e111. PubMed ID: 37021337.
    Abstract:
    Although a striking female preponderance has been consistently reported in epilepsy with eyelid myoclonia (EEM), no study has specifically explored the variability of clinical presentation according to sex in this syndrome. Here, we aimed to investigate sex-specific electroclinical differences and prognostic determinants in EEM. Data from 267 EEM patients were retrospectively analyzed by the EEM Study Group, and a dedicated multivariable logistic regression analysis was developed separately for each sex. We found that females with EEM showed a significantly higher rate of persistence of photosensitivity and eye closure sensitivity at the last visit, along with a higher prevalence of migraine with/without aura, whereas males with EEM presented a higher rate of borderline intellectual functioning/intellectual disability. In female patients, multivariable logistic regression analysis revealed age at epilepsy onset, eyelid myoclonia status epilepticus, psychiatric comorbidities, and catamenial seizures as significant predictors of drug resistance. In male patients, a history of febrile seizures was the only predictor of drug resistance. Hence, our study reveals sex-specific differences in terms of both electroclinical features and prognostic factors. Our findings support the importance of a sex-based personalized approach in epilepsy care and research, especially in genetic generalized epilepsies.
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