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Related Experiment Video

Updated: Jun 6, 2025

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

Cigarette Smoking and Structural Brain Deficits in Patients With Atrial Fibrillation.

Raffaele Peter¹, Stefanie Aeschbacher¹, Rebecca E Paladini¹

¹Cardiovascular Research Institute Basel, University Hospital Basel, University of Basel, Basel, Switzerland; Cardiology Division, Department of Medicine, University Hospital Basel, University of Basel, Basel, Switzerland.

The American Journal of Cardiology

|November 23, 2024

Summary

Cigarette smoking significantly impacts brain health in atrial fibrillation (AF) patients. Smoking intensity and cessation time affect brain lesions and volumes, highlighting the importance of quitting for brain health.

Keywords:

atrial fibrillation brain deficits smoking smoking cessation

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Area of Science:

Neurology
Cardiology
Public Health

Background:

Cigarette smoking and atrial fibrillation (AF) are independently linked to diminished brain health.
Understanding the specific impact of smoking on brain structure in AF patients is crucial for targeted interventions.

Purpose of the Study:

To investigate the association between smoking habits and the presence and volume of brain lesions and brain volumes in patients with atrial fibrillation.

Main Methods:

A multicenter cohort study analyzed 1,728 AF patients.
Smoking status, intensity (cigarettes/day, pack-years), and cessation time were recorded.
Brain magnetic resonance imaging assessed white matter lesions (WML), infarcts, and gray/white matter volumes. Logistic and linear regression analyses were employed.

Main Results:

Higher smoking intensity (cigarettes/day, pack-years) and later cessation age correlated with reduced gray matter volume.
Longer smoking duration increased the risk and volume of white matter lesions (WML Fazekas ≥2).
Quitting smoking ≥16 years prior was associated with fewer small noncortical infarcts and smaller WML volumes.

Conclusions:

Smoking intensity and time since cessation are significant factors influencing brain lesion burden and brain volumes in AF patients.
These findings underscore the neuroprotective benefits of smoking cessation in individuals with atrial fibrillation.