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Atrial Fibrillation, Stroke, and Silent Cerebrovascular Disease A Population-based MRI Study
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- Rydén, Lina, 1982 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Centrum för åldrande och hälsa (AgeCap),Institute of Neuroscience and Physiology,Centre for Ageing and Health (Agecap)
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- Sacuiu, Simona, 1971 (författare)
- Gothenburg University,Göteborgs universitet,Centrum för åldrande och hälsa (AgeCap),Institutionen för neurovetenskap och fysiologi,Centre for Ageing and Health (Agecap),Institute of Neuroscience and Physiology
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- Wetterberg, Hanna (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Centrum för åldrande och hälsa (AgeCap),Institute of Neuroscience and Physiology,Centre for Ageing and Health (Agecap)
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- Shams, S. (författare)
- Pereira, J. B. (författare)
- Wahlund, L. O. (författare)
- Westman, E. (författare)
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- (creator_code:org_t)
- 2021-09-14
- 2021
- Engelska.
- Ingår i: Neurology. - : Ovid Technologies (Wolters Kluwer Health). - 0028-3878 .- 1526-632X. ; 97:16
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Background and Objectives Atrial fibrillation (AF) has been associated with cognitive decline and dementia. However, the mechanisms behind these associations are not clear. Examination of cerebrovascular pathology on MRI may shed light on how AF affects the brain. This study aimed to determine whether AF is associated with a broad range of cerebrovascular diseases beyond the well-known association with symptomatic stroke, including silent infarcts and markers of small vessel disease, i.e., cerebral microbleeds (CMBs), white matter hyperintensities (WMHs), and lacunes, in a population-based sample of 70-year-olds. Methods Data were obtained from the Gothenburg H70 Birth Cohort Studies, in which individuals are invited based on birthdate. This study has a cross-sectional design and includes individuals born in 1944 who underwent structural brain MRI in 2014 to 2017. AF diagnoses were based on self-report, ECG, and register data. Symptomatic stroke was based on self-report, proxy interviews, and register data. Brain infarcts and CMBs were assessed by a radiologist. WMH volumes were measured on fluid-attenuated inversion recovery images with the Lesion Segmentation Tool. Multivariable logistic regression was used to study the association between AF and infarcts/CMBs, and multivariable linear regression was used to study the association between AF and WMHs. Results A total of 776 individuals were included, and 65 (8.4%) had AF. AF was associated with symptomatic stroke (odds ratio [OR] 4.5, 95% confidence interval [CI] 2.1-9.5) and MRI findings of large infarcts (OR 5.0, 95% CI 1.5-15.9), lacunes (OR 2.7, 95% CI 1.2-5.6), and silent brain infarcts (OR 3.5; 95% CI 1.6-7.4). Among those with symptomatic stroke, individuals with AF had larger WMH volumes (0.0137 mL/total intracranial volume [TIV], 95% CI 0.0074-0.0252) compared to those without AF (0.0043 mL/TIV, 95% CI 0.0029-0.0064). There was no association between AF and WMH volumes among those without symptomatic stroke. In addition, AF was associated to CMBs in the frontal lobe. Discussion AF was associated with a broad range of cerebrovascular pathologies. Further research is needed to establish whether cerebrovascular MRI markers can be added to current treatment guidelines to further personalize anticoagulant treatment in patients with AF and to further characterize the pathogenetic processes underlying the associations between AF and cerebrovascular diseases, as well as dementia.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Nyckelord
- small vessel disease
- cerebral microbleeds
- risk
- dementia
- determinants
- infarctions
- association
- impairment
- prevalence
- Neurosciences & Neurology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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