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- Eriksson, Hanna, et al.
(författare)
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Family history increases the risk of late seizures after stroke
- 2019
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Ingår i: Neurology. - : LIPPINCOTT WILLIAMS & WILKINS. - 1526-632X .- 0028-3878. ; 93:21
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: To assess the association between a family history of epilepsy and risk of late poststroke seizures (LPS). METHODS: This register-based cohort study was based on adult patients from the Swedish Stroke Register (Riksstroke) with stroke from 2001 to 2012 and no prior epilepsy. LPS (>7 days after stroke) and epilepsy were ascertained in cases and in their first-degree biological relatives by cross-referencing Riksstroke, the Multi-Generation Register, and the National Patient Register. RESULTS: Of 86,550 patients with stroke, a family history of epilepsy was detected in 7,433 (8.6%), and LPS (>7 days after stroke) occurred in 7,307 (8.4%). The survival-adjusted risk of LPS was higher in patients with compared to those without a family history of epilepsy: 6.8% (95% confidence interval [CI] 6.2%-7.4%) vs 5.9% (95% CI 5.7%-6.1%) at 2 years and 9.5% (95% CI 8.7%-10.3%) vs 8.2% (95% CI 8.0%-8.4%) at 5 years. In a Cox model adjusted for age, sex, and stroke type, the hazard ratio (HR) for LPS in patients with stroke with ≥1 relative with epilepsy was 1.18 (95% CI 1.09-1.28). The increased HR remained significant with adjustments for stroke severity and in multiple sensitivity analyses. A higher risk for patients with stroke with >1 relative with epilepsy was also seen but was not significant in all Cox models. CONCLUSIONS: Although stroke characteristics remain the most important risk factors for LPS, having a first-degree relative with epilepsy also increases the risk in a multivariate analysis. The findings highlight the need for family history assessment in patients with stroke and the need for future studies on genetic vulnerability and environmental factors that may aid in the identification of at-risk individuals. © 2019 American Academy of Neurology.
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| 28. |
- Feldman, AL, et al.
(författare)
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Familial coaggregation of Alzheimer's disease and Parkinson's disease: systematic review and meta-analysis
- 2014
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Ingår i: Neuroepidemiology. - : S. Karger AG. - 1423-0208 .- 0251-5350. ; 42:2, s. 69-80
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Tidskriftsartikel (refereegranskat)abstract
- <b><i>Background:</i></b> Familial aggregation has been shown for Alzheimer's disease (AD) and Parkinson's disease (PD) separately, and it has been hypothesized that these diseases also coaggregate in families. <b><i>Methods:</i></b> The authors investigated familial coaggregation of AD and PD by conducting a systematic review and meta-analysis. PubMed was searched for relevant studies published through the end of October 2012. Three independent investigators screened publications and extracted data. Relative risk estimates of AD risk associated with family history of PD or parkinsonism, or PD risk associated with family history of AD or dementia, were summarized into metaestimates using random effects models. Heterogeneity and publication bias were tested using Higgins' and Egger's tests, respectively. <b><i>Results:</i></b> We included 16 studies in the review, with 14 included in any meta-analysis. AD risk associated with family history of PD yielded a summary hazard ratio of 1.18 (95% CI: 1.00-1.39) based on 5 reconstructed cohort studies and a summary odds ratio (OR) of 1.40 (95% CI: 0.92-2.12) based on 7 case-control studies. PD risk associated with family history of AD yielded a summary OR of 0.75 (95% CI: 0.49-1.16) based on 3 studies. There was no significant heterogeneity among studies, nor significant publication bias. <b><i>Conclusions:</i></b> There may be familial coaggregation of AD and PD, although the association was modest and only apparent when studying AD risk associated with family history of PD.
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