A nationwide, retrospective, data-linkage, cohort study of epilepsy and incident dementia
© 2020 American Academy of Neurology..
OBJECTIVE: To determine the association of epilepsy with incident dementia by conducting a nationwide, retrospective data-linkage, cohort study to examine whether the association varies according to dementia subtypes and to investigate whether risk factors modify the association.
METHODS: We used linked health data from hospitalization, mortality records, and primary care consultations to follow up 563,151 Welsh residents from their 60th birthday to estimate dementia rate and associated risk factors. Dementia, epilepsy, and covariates (medication, smoking, comorbid conditions) were classified with the use of previously validated code lists. We studied rate of dementia and dementia subtypes in people with epilepsy (PWE) and without epilepsy using (stratified) Kaplan-Meier plots and flexible parametric survival models.
RESULTS: PWE had a 2.5 (95% confidence interval [CI] 2.3-2.6) times higher hazard of incident dementia, a 1.6 (95% CI 1.4-1.8) times higher hazard of incident Alzheimer disease (AD), and a 3.1 (95% CI 2.8-3.4) times higher hazard of incident Vascular dementia (VaD). A history of stroke modified the increased incidence in PWE. PWE who were first diagnosed at ≤25 years of age had a dementia rate similar to that of those diagnosed later in life. PWE who had ever been prescribed sodium valproate compared to those who had not were at higher risk of dementia (hazard ratio [HR] 1.6, 99% CI 1.4-1.9) and VaD (HR 1.7, 99% CI 1.4-2.1) but not AD (HR 1.2, 99% CI 0.9-1.5).
CONCLUSION: PWE compared to those without epilepsy have an increased dementia risk.
| Errataetall: |
CommentIn: Epilepsy Curr. 2021 Mar 23;21(3):162-164. - PMID 34867093 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:95 |
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| Enthalten in: |
Neurology - 95(2020), 12 vom: 22. Sept., Seite e1686-e1693 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Schnier, Christian [VerfasserIn] |
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| Anmerkungen: |
Date Completed 30.10.2020 Date Revised 06.12.2021 published: Print-Electronic CommentIn: Epilepsy Curr. 2021 Mar 23;21(3):162-164. - PMID 34867093 Citation Status MEDLINE |
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| doi: |
10.1212/WNL.0000000000010358 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM312572794 |
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| 100 | 1 | |a Schnier, Christian |e verfasserin |4 aut | |
| 245 | 1 | 2 | |a A nationwide, retrospective, data-linkage, cohort study of epilepsy and incident dementia |
| 264 | 1 | |c 2020 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
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| 500 | |a Date Completed 30.10.2020 | ||
| 500 | |a Date Revised 06.12.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a CommentIn: Epilepsy Curr. 2021 Mar 23;21(3):162-164. - PMID 34867093 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2020 American Academy of Neurology. | ||
| 520 | |a OBJECTIVE: To determine the association of epilepsy with incident dementia by conducting a nationwide, retrospective data-linkage, cohort study to examine whether the association varies according to dementia subtypes and to investigate whether risk factors modify the association | ||
| 520 | |a METHODS: We used linked health data from hospitalization, mortality records, and primary care consultations to follow up 563,151 Welsh residents from their 60th birthday to estimate dementia rate and associated risk factors. Dementia, epilepsy, and covariates (medication, smoking, comorbid conditions) were classified with the use of previously validated code lists. We studied rate of dementia and dementia subtypes in people with epilepsy (PWE) and without epilepsy using (stratified) Kaplan-Meier plots and flexible parametric survival models | ||
| 520 | |a RESULTS: PWE had a 2.5 (95% confidence interval [CI] 2.3-2.6) times higher hazard of incident dementia, a 1.6 (95% CI 1.4-1.8) times higher hazard of incident Alzheimer disease (AD), and a 3.1 (95% CI 2.8-3.4) times higher hazard of incident Vascular dementia (VaD). A history of stroke modified the increased incidence in PWE. PWE who were first diagnosed at ≤25 years of age had a dementia rate similar to that of those diagnosed later in life. PWE who had ever been prescribed sodium valproate compared to those who had not were at higher risk of dementia (hazard ratio [HR] 1.6, 99% CI 1.4-1.9) and VaD (HR 1.7, 99% CI 1.4-2.1) but not AD (HR 1.2, 99% CI 0.9-1.5) | ||
| 520 | |a CONCLUSION: PWE compared to those without epilepsy have an increased dementia risk | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 700 | 1 | |a Duncan, Susan |e verfasserin |4 aut | |
| 700 | 1 | |a Wilkinson, Tim |e verfasserin |4 aut | |
| 700 | 1 | |a Mbizvo, Gashirai K |e verfasserin |4 aut | |
| 700 | 1 | |a Chin, Richard F M |e verfasserin |4 aut | |
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