ArticleAnnals of neurology2025
Prevalence of Cerebral Amyloid Angiopathy and Associated Risk of Subsequent Ischemic and Hemorrhagic Stroke and Mortality in a Nationwide Cohort.
Article in Annals of neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Distinct characteristics and risk factors of symptomatic and incidental DWI lesions in cerebral amyloid angiopathy.Journal of neurology · 2026Article
- Cerebrospinal Fluid Amyloid-β Biomarkers Predict Future Hemorrhage in Patients with Cerebral Amyloid Angiopathy.Annals of neurology · 2026Article
- Article
- Amyloid-linked versus age-driven copathologies in Alzheimer's dementia: differential associations withResearch square · 2026Article
- Management of an inferior vena cava thrombus with comorbid intracranial haemorrhage and cerebral amyloid angiopathy.BMJ case reports · 2026Article
- Pollutants regulate changes in pathological markers of neurodegenerative diseases: a new perspective in environmental toxicology.Frontiers in toxicology · 2026Review
- The complement cascade in Alzheimer's disease: modern implications of an ancient immune protagonist.Molecular neurodegeneration · 2025Review
- Iatrogenic cerebral amyloid angiopathy 30 years after childhood cadaveric dura mater transplantation: a case report.BMC neurology · 2025Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
objectiveThere are limited population-based data regarding the prevalence of cerebral amyloid angiopathy (CAA) and associated risks of mortality and incident cerebrovascular events.
methodsWe performed a retrospective cohort study using inpatient and outpatient claims from 2008 to 2022 from a 5% national sample of Medicare beneficiaries. CAA and ischemic and hemorrhagic stroke were identified using validated International Classification of Diseases 10th Revision (ICD-10) codes. We ascertained CAA from October 1, 2015 through 2022, and used data from 2008 through September 30, 2015 to ascertain comorbidities including prevalent stroke. We used Cox regression to examine the association of CAA with subsequent death and incident stroke subtypes after adjustment for demographics, vascular risk factors, and Charlson comorbidities.
resultsAmong 1,920,312 Medicare beneficiaries in our sample, 2,161 (11.3 per 10,000) had a diagnosis of CAA. In adjusted Cox regression analysis, there was an association between CAA and subsequent mortality (HR 4.9; 95% CI 4.6-5.2). Among 1,872,474 patients without prevalent stroke, including 900 of the CAA patients, there was a significant association between CAA and an increased risk of any stroke (HR 8.0; 95% CI 6.7-9.6), ischemic stroke (HR 4.6; 95% CI 3.6-6.0), intracerebral hemorrhage (HR 26.9; 95% CI 20.3-35.6), and subarachnoid hemorrhage (HR 21.6; 95% CI 12.2-38.1). After a diagnosis of CAA, absolute risks of ischemic stroke and intracerebral hemorrhage were broadly similar.
interpretationIn a large, nationwide cohort of Medicare beneficiaries, the prevalence of clinically diagnosed CAA was approximately 11 per 10,000. CAA was associated with an increased risk of mortality and incident stroke, both hemorrhagic and ischemic. ANN NEUROL 2025;98:249-257.
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