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The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
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Published on: February 28, 2012

Atrial Fibrillation at Elderly Age: The Importance of Stroke Prevention

Nanette K. Wenger1

  • 1Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, GA.

The American Journal of Geriatric Cardiology
|January 1, 1997
PubMed

Insights

Elderly patients with atrial fibrillation (AF) face high stroke risk. Long-term warfarin therapy significantly reduces this risk, even in older adults, with manageable bleeding complications.

Area of Science:

  • Cardiology
  • Geriatrics
  • Neurology

Background:

  • Atrial fibrillation (AF) prevalence increases with age, posing a significant stroke risk in the elderly.
  • Approximately 2.2 million Americans, with a median age of 75, have AF.
  • Elderly patients over 75, especially those with coronary heart disease or heart failure, are at the highest risk for embolic stroke.

Purpose of the Study:

  • To evaluate the efficacy and safety of long-term warfarin therapy in reducing stroke risk in elderly patients with nonvalvular atrial fibrillation.

Main Methods:

  • Review of randomized controlled trials on warfarin use in nonvalvular atrial fibrillation.
  • Analysis of stroke risk reduction and bleeding complications in elderly populations.

Main Results:

  • Long-term warfarin therapy substantially decreases stroke risk in patients with nonvalvular atrial fibrillation.
  • The benefits of warfarin anticoagulation are maintained in elderly patients.
  • Warfarin anticoagulation can be safely administered to the elderly with careful monitoring and management of concurrent therapies, resulting in an acceptably low rate of bleeding complications.

Conclusions:

  • Warfarin therapy is an effective and safe strategy for stroke prevention in elderly patients with atrial fibrillation.
  • Careful patient monitoring and management are crucial for optimizing warfarin therapy in older adults.

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