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Atrial Fibrillation in the Elderly.

Asim Yunus¹, George Wyse

¹Division of Cardiology, Foothills Hospital and University of Calgary, Calgary, Alberta, Canada.

The American Journal of Geriatric Cardiology

|October 1, 1995

Summary

Atrial fibrillation (AF) is common in older adults and increases stroke risk. Maintaining sinus rhythm or controlling heart rate is crucial, with individualized antithrombotic therapy needed for those over 75.

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Area of Science:

Cardiology
Geriatrics
Internal Medicine

Background:

Atrial fibrillation (AF) is a prevalent cardiac arrhythmia, particularly in individuals over 65, affecting up to 5% of this demographic.
Advancing age is a significant risk factor for developing AF and its associated complications, including stroke and left ventricular dysfunction.
The elderly population exhibits reduced tolerance to the hemodynamic stress associated with new-onset and rapid AF.

Purpose of the Study:

To highlight the importance of sinus rhythm in mitigating thromboembolic risks in elderly patients with atrial fibrillation.
To discuss the benefits of heart rate control when sinus rhythm cannot be maintained.
To review antithrombotic strategies for elderly patients with atrial fibrillation, considering age-specific benefits and risks.

Main Methods:

Literature review of recent trials on atrial fibrillation management in the elderly.
Analysis of epidemiological data on AF prevalence and risk factors in older adults.
Evaluation of pharmacological and non-pharmacological interventions for rate and rhythm control.

Main Results:

Sinus rhythm is paramount for reducing thromboembolic risks in elderly patients with AF.
Pharmacological or other means of heart rate control offer benefits when sinus rhythm restoration is not feasible.
Established benefits of aspirin and warfarin may not universally apply to patients over 75, necessitating individualized antithrombotic approaches.

Conclusions:

Maintaining sinus rhythm is a key strategy for managing atrial fibrillation in the elderly.
Heart rate control is an important alternative when sinus rhythm cannot be achieved or sustained.
Individualized antithrombotic therapy is essential for elderly patients with atrial fibrillation, especially those over 75, due to varying treatment efficacies.

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