{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T19:08:11Z","timestamp":1777921691064,"version":"3.51.4"},"reference-count":60,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2021,8,23]],"date-time":"2021-08-23T00:00:00Z","timestamp":1629676800000},"content-version":"vor","delay-in-days":234,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Finding a Cure for Epilepsy and Seizures (FACES) and the National Institutes of Health","award":["U01 NS090415"],"award-info":[{"award-number":["U01 NS090415"]}]},{"name":"Finding a Cure for Epilepsy and Seizures (FACES) and the National Institutes of Health","award":["P30 AG066512"],"award-info":[{"award-number":["P30 AG066512"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,7,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Sudden unexpected death in epilepsy is the leading category of epilepsy-related death and the underlying mechanisms are incompletely understood. Risk factors can include a recent history and high frequency of generalized tonic-clonic seizures, which can depress brain activity postictally, impairing respiration, arousal and protective reflexes. Neuropathological findings in sudden unexpected death in epilepsy cases parallel those in other epilepsy patients, with no implication of novel structures or mechanisms in seizure-related deaths. Few large studies have comprehensively reviewed whole brain examination of such patients. We evaluated 92 North American Sudden unexpected death in epilepsy Registry cases with whole brain neuropathological examination by board-certified neuropathologists blinded to the adjudicated cause of death, with an average of 16 brain regions examined per case. The 92 cases included 61 sudden unexpected death in epilepsy (40 definite, 9 definite plus, 6 probable, 6 possible) and 31 people with epilepsy controls who died from other causes. The mean age at death was 34.4 years and 65.2% (60\/92) were male. The average age of death was younger for sudden unexpected death in epilepsy cases than for epilepsy controls (30.0 versus 39.6 years; P = 0.006), and there was no difference in sex distribution respectively (67.3% male versus 64.5%, P = 0.8). Among sudden unexpected death in epilepsy cases, earlier age of epilepsy onset positively correlated with a younger age at death (P = 0.0005) and negatively correlated with epilepsy duration (P = 0.001). Neuropathological findings were identified in 83.7% of the cases in our cohort. The most common findings were dentate gyrus dysgenesis (sudden unexpected death in epilepsy 50.9%, epilepsy controls 54.8%) and focal cortical dysplasia (FCD) (sudden unexpected death in epilepsy 41.8%, epilepsy controls 29.0%). The neuropathological findings in sudden unexpected death in epilepsy paralleled those in epilepsy controls, including the frequency of total neuropathological findings as well as the specific findings in the dentate gyrus, findings pertaining to neurodevelopment (e.g. FCD, heterotopias) and findings in the brainstem (e.g. medullary arcuate or olivary dysgenesis). Thus, like prior studies, we found no neuropathological findings that were more common in sudden unexpected death in epilepsy cases. Future neuropathological studies evaluating larger sudden unexpected death in epilepsy and control cohorts would benefit from inclusion of different epilepsy syndromes with detailed phenotypic information, consensus among pathologists particularly for more subjective findings where observations can be inconsistent, and molecular approaches to identify markers of sudden unexpected death in epilepsy risk or pathogenesis.<\/jats:p>","DOI":"10.1093\/braincomms\/fcab192","type":"journal-article","created":{"date-parts":[[2021,8,19]],"date-time":"2021-08-19T19:27:07Z","timestamp":1629401227000},"source":"Crossref","is-referenced-by-count":16,"title":["Neuropathology in the North American sudden unexpected death in epilepsy registry"],"prefix":"10.1093","volume":"3","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1371-9861","authenticated-orcid":false,"given":"Dominique F","family":"Leitner","sequence":"first","affiliation":[{"name":"Comprehensive Epilepsy Center, NYU Grossman School of Medicine, New York, NY, USA"},{"name":"Department of Neurology, NYU Langone Health and School of Medicine, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arline","family":"Faustin","sequence":"additional","affiliation":[{"name":"Department of Neurology, NYU Langone Health and School of Medicine, New York, NY, USA"},{"name":"Center for Cognitive Neurology, NYU Langone Health and School of Medicine, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1580-5130","authenticated-orcid":false,"given":"Chloe","family":"Verducci","sequence":"additional","affiliation":[{"name":"Comprehensive Epilepsy Center, NYU Grossman School of Medicine, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1068-1797","authenticated-orcid":false,"given":"Daniel","family":"Friedman","sequence":"additional","affiliation":[{"name":"Comprehensive Epilepsy Center, NYU Grossman School of Medicine, New York, NY, USA"},{"name":"Department of Neurology, NYU Langone Health and School of Medicine, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christopher","family":"William","sequence":"additional","affiliation":[{"name":"Department of Neurology, NYU Langone Health and School of Medicine, New York, NY, USA"},{"name":"Department of Pathology, NYU Langone Health and School of Medicine, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sasha","family":"Devore","sequence":"additional","affiliation":[{"name":"Comprehensive Epilepsy Center, NYU Grossman School of Medicine, New York, NY, USA"},{"name":"Department of Neurology, NYU Langone Health and School of Medicine, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3379-8966","authenticated-orcid":false,"given":"Thomas","family":"Wisniewski","sequence":"additional","affiliation":[{"name":"Department of Neurology, NYU Langone Health and School of Medicine, New York, NY, USA"},{"name":"Center for Cognitive Neurology, NYU Langone Health and School of Medicine, New York, NY, USA"},{"name":"Department of Pathology, NYU Langone Health and School of Medicine, New York, NY, USA"},{"name":"Department of Psychiatry, NYU Langone Health and School of Medicine, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0044-4632","authenticated-orcid":false,"given":"Orrin","family":"Devinsky","sequence":"additional","affiliation":[{"name":"Comprehensive Epilepsy Center, NYU Grossman School of Medicine, New York, NY, USA"},{"name":"Department of Neurology, NYU Langone Health and School of Medicine, New York, 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