Association between white matter hyperintensities, cortical volumes, and late-onset epilepsy.

Neurology
Emily L JohnsonRebecca F Gottesman

Abstract

To identify the association between brain vascular changes and cortical volumes on MRI and late-onset epilepsy. In 1993-1995, 1,920 participants (median age 62.7, 59.9% female) in the community-based Atherosclerosis Risk in Communities (ARIC) Study underwent MRI, and white matter hyperintensities were measured. In addition, in 2011-2013, 1,964 ARIC participants (median age 72.4, 61.1% female) underwent MRI, and cortical volumes and white matter hyperintensities were measured. We identified cases of late-onset epilepsy (starting at age 60 or later) from ARIC hospitalization records and Medicare claims data. Using the 1993-1995 MRI, we evaluated the association between white matter hyperintensities and subsequent epilepsy using survival analysis. We used the 2011-2013 MRI to conduct cross-sectional logistic regression to examine the association of cortical volumes and white matter hyperintensities with late-onset epilepsy. All models were adjusted for demographics, hypertension, diabetes, smoking, and APOE ε4 allele status. Ninety-seven ARIC participants developed epilepsy after having an MRI in 1993-1995 (incidence 3.34 per 1,000 person-years). The degree of white matter hyperintensities measured at ages 49-72 years was associat...Continue Reading

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Dec 15, 2020·Drugs & Aging·Benjamin Cretin
Nov 25, 2021·Arquivos de neuro-psiquiatria·Ferda Ilgen UsluMehmet Kolukisa

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