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Updated: May 11, 2026
28:13
Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
[Atrial fibrillation in the elderly].
Norikazu Watanabe1, Youichi Kobayashi
1Division of Cardiology, Department of Medicine, Showa University School of Medicine.
Summary
Elderly individuals over 70 with atrial fibrillation face high stroke risk. New anticoagulants like dabigatran and rivaroxaban offer alternatives to warfarin but require careful use due to renal excretion in older adults.
Area of Science:
- Cardiology
- Geriatrics
- Pharmacology
Context:
- Elderly patients over 70 are prone to atrial fibrillation, increasing risks of stroke and heart failure.
- Atrial fibrillation in the elderly often coexists with risk factors, elevating the likelihood of cerebral infarction.
- Traditional anticoagulant warfarin has limitations, including a significant risk of cerebral bleeding.
Purpose:
- To review and explain the appropriate use of novel anticoagulant drugs (dabigatran, rivaroxaban) in elderly patients.
- To highlight the importance of anticoagulant therapy for preventing stroke and cerebral infarction in this demographic.
- To address the specific considerations for using new anticoagulants in older adults with potential renal dysfunction.
Summary:
- Novel oral anticoagulants, dabigatran and rivaroxaban, represent advancements in stroke prevention for elderly patients with atrial fibrillation.
- These newer agents require careful administration due to their renal clearance, a critical factor in geriatric patients with potential kidney impairment.
- Understanding the pharmacokinetics and safety profiles of dabigatran and rivaroxaban is essential for effective anticoagulant management in the elderly.
Impact:
- Improved stroke prevention strategies for the aging population with atrial fibrillation.
- Guidance on the safe and effective utilization of new anticoagulant medications in geriatric care.
- Potential reduction in anticoagulant-related bleeding complications compared to warfarin.
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