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                            Library & Multimedia
 Seizure incidence rates in children and adults with familial cerebral cavernous malformations
NCJ Number
              306105
Journal

*NEUROLOGY* Volume: 97 Issue: 12 Dated: September 21, 2021 Pages: online
Author(s)
          Christine K. Fox;
                        Jeffrey Nelson;
                        Charles E. McCulloch;
                        Shantel Weinsheimer;
                        Ludmila Pawlikowsk;
                        Blaine Hart;
                        Marc C. Mabray;
                        Atif Zafar;
                        Leslie Morrison;
                        Joseph M. Zabramski;
                        Amy Akers;
                        Helen Kim
Date Published

September 2021
Annotation
              Since seizure incidence rates related to familial cerebral cavernous malformation (FCCM) are not well described, especially for children, this study measured the seizure incidence rate, examined seizure predictors, and characterized epilepsy severity in a cohort of children and adults with FCCM enrolled in the Brain Vascular Malformation Consortium (BVMC).
Abstract
              Seizure data were collected from participants with FCCM in the BVMC at enrollment and during follow-up. Authors estimated seizure probability by age and tested whether cerebral cavernous malformation (CCM) counts or genotype were associated with earlier seizure onset. 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 (<18 years old). Median large CCM count was 3 (interquartile range 1–5). Among 393 with genotyping, mutations were as follows: CCM1 (Common Hispanic Mutation) (88%), another CCM1 mutation (5%), CCM2 mutations (5%), and CCM3 mutations (2%). Prior to or during the study, 202 (42%) had a seizure. The cumulative incidence of a childhood seizure was 20.3% (95% confidence interval [CI] 17.0–23.4) and by age 80 years was 60.4% (95% CI 54.2–65.7). More total CCMs (hazard ratio [HR] 1.24 per SD unit increase, 95% CI 1.1–1.4) or more large CCMs (HR 1.5 per SD unit increase, 95% CI 1.2–1.9) than expected for age and sex increased seizure risk. A CCM3 mutation also increased risk compared to other mutations (HR 3.11, 95% CI 1.15–8.45). Individuals with a seizure prior to enrollment had increased hospitalization rates during follow-up (incidence rate ratio 10.9, 95% CI 2.41–49.32) compared to patients without a seizure history. 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. (Published abstract provided)
      
  
          Additional Details
Grant Number(s)
        2017-DN-BX-0145


  
  
        
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        NIJ-Sponsored


  
  
        
  Publication Type
        Research (Applied/Empirical)


  
  
        
  Award
        Understanding the Pathology of Homicidal Pediatric Blunt Neurotrauma through Correlation of Advanced Magnetic Resonance Images with Histopathology
    
  
  
Date Published: September 1, 2021
    
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