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Linking atrial fibrillation to cerebral small vessel disease: a cross-sectional study with predictive analytics

Jingzhou Shang1, Lu Fan2, Jing Xu1

  • 1Department of Cardiology, Wuhan Hospital of Traditional Chinese Medicine, Wuhan, Hubei, China.

Frontiers in Cardiovascular Medicine
|June 5, 2026
PubMed

Insights

Atrial fibrillation (AF) is linked to cerebral small vessel disease (CSVD) markers, especially in men and those on anticoagulation. This highlights the need for targeted brain injury prevention strategies in older adults.

Area of Science:

  • Neurology
  • Cardiology
  • Radiology

Background:

  • Atrial fibrillation (AF) and cerebral small vessel disease (CSVD) are common in elderly populations.
  • Both conditions can contribute to cognitive decline and increase stroke risk.
  • Understanding the link between AF and CSVD is crucial for managing neurological and cardiovascular health.

Purpose of the Study:

  • To investigate the association between atrial fibrillation (AF) and various cerebral small vessel disease (CSVD) markers.
  • To explore sex-specific patterns and the influence of anticoagulation status on this relationship.
  • To develop predictive models for white matter hyperintensities (WMH) burden and stroke risk in the context of AF and CSVD.

Main Methods:

  • A cross-sectional study involving 923 participants aged 70 years and older.
  • AF diagnosis through ECG, self-reports, and medical records; CSVD markers assessed via 3.0-Tesla brain MRI.
  • Statistical regression models and Random Forest were used to analyze associations and predict outcomes, adjusting for relevant risk factors.

Main Results:

  • Atrial fibrillation (AF) showed a trend towards association with higher white matter hyperintensities (WMH) volumes, particularly in men and anticoagulated individuals.
  • AF was linked to increased odds of symptomatic stroke, large infarcts, lacunes, and silent infarcts, with stronger effects observed in men.
  • Frontal lobe cerebral microbleeds (CMBs) were more common in men with AF. Predictive models demonstrated high accuracy for WMH burden and stroke prediction.

Conclusions:

  • Atrial fibrillation (AF) is independently associated with cerebral small vessel disease (CSVD) markers.
  • The association is more pronounced in men and individuals receiving anticoagulation therapy.
  • Findings underscore the importance of targeted strategies to prevent AF-related brain injury.
Abstract

Keywords:
atrial fibrillationcerebral microbleedscerebral small vessel diseasesex differencessilent brain infarctswhite matter hyperintensities

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