Author:
Zhang Yue-Hua,Burgess Rosemary,Malone Jodie P.,Glubb Georgie C.,Helbig Katherine L.,Vadlamudi Lata,Kivity Sara,Afawi Zaid,Bleasel Andrew,Grattan-Smith Padraic,Grinton Bronwyn E.,Bellows Susannah T.,Vears Danya F.,Damiano John A.,Goldberg-Stern Hadassa,Korczyn Amos D.,Dibbens Leanne M.,Ruzzo Elizabeth K.,Hildebrand Michael S.,Berkovic Samuel F.,Scheffer Ingrid E.
Abstract
Objective:Following our original description of generalized epilepsy with febrile seizures plus (GEFS+) in 1997, we analyze the phenotypic spectrum in 409 affected individuals in 60 families (31 new families) and expand the GEFS+ spectrum.Methods:We performed detailed electroclinical phenotyping on all available affected family members. Genetic analysis of known GEFS+ genes was carried out where possible. We compared our phenotypic and genetic data to those published in the literature over the last 19 years.Results:We identified new phenotypes within the GEFS+ spectrum: focal seizures without preceding febrile seizures (16/409 [4%]), classic genetic generalized epilepsies (22/409 [5%]), and afebrile generalized tonic-clonic seizures (9/409 [2%]). Febrile seizures remains the most frequent phenotype in GEFS+ (178/409 [44%]), followed by febrile seizures plus (111/409 [27%]). One third (50/163 [31%]) of GEFS+ families tested have a pathogenic variant in a known GEFS+ gene.Conclusion:As 37/409 (9%) affected individuals have focal epilepsies, we suggest that GEFS+ be renamed genetic epilepsy with febrile seizures plus rather than generalized epilepsy with febrile seizures plus. The phenotypic overlap between GEFS+ and the classic generalized epilepsies is considerably greater than first thought. The clinical and molecular data suggest that the 2 major groups of generalized epilepsies share genetic determinants.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Cited by
104 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献