Seizure Incidence Rates in Children and Adults With Familial Cerebral Cavernous Malformations.
2021
Background and Objectives Seizure incidence rates related to familial cerebral cavernous malformation (FCCM) are not well described, especially for children. To measure the seizure incidence rate, examine seizure predictors, and characterize epilepsy severity, we studied a cohort of children and adults with FCCM enrolled in the Brain Vascular Malformation Consortium (BVMC). Methods Seizure data were collected from participants with FCCM in the BVMC at enrollment and during follow-up. We estimated seizure probability by age and tested whether cerebral cavernous malformation (CCM) counts or genotype were associated with earlier seizure onset. Results The study cohort included 479 FCCM cases. Median age at enrollment was 42.5 years (interquartile range 22.5–55.0) and 19% were children ( Discussion Individuals with FCCM have a high seizure incidence and those with more CCMs or CCM3 genotype are at greater risk. Seizures increase health care utilization in FCCM.
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