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The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
[Oral anticogulation for non-valvular atrial fibrilation in the elderly]
Fernando Veiga Fernández1, María del Rocío Malfeito Jiménez1, Sonia María Barros Cerviño1
1Servicio de Geriatría, Hospital Universitario Lucus Augusti, Lugo, España.
Insights
Anticoagulation in elderly patients with non-valvular atrial fibrillation (AF) presents challenges. Non-vitamin K antagonist oral anticoagulants (NOACs) offer improved safety and efficacy, establishing them as a preferred treatment option.
Area of Science:
- Geriatrics
- Cardiology
- Pharmacology
Background:
- Anticoagulation in elderly patients with non-valvular atrial fibrillation (AF) is complex due to balancing thromboembolic and bleeding risks.
- Elderly populations show a higher net clinical benefit from appropriate anticoagulant use compared to younger individuals.
Purpose of the Study:
- To evaluate the efficacy and safety of non-vitamin K antagonist oral anticoagulants (NOACs) versus vitamin K antagonists (VKAs) in elderly patients with non-valvular AF.
- To develop an algorithm for selecting the optimal anticoagulant and dosage for elderly AF patients based on indirect comparisons and geriatric assessment.
Main Methods:
- Review and indirect comparison of studies involving elderly patients with non-valvular AF treated with NOACs and VKAs.
- Development of a novel algorithm integrating geriatric assessment, anticoagulant choice, and dosage optimization.
Main Results:
- Studies indicate favorable outcomes for NOACs in elderly patients with non-valvular AF, suggesting they are a preferred treatment.
- Geriatric assessment is crucial for guiding anticoagulation indication, selection, and optimization.
- The developed algorithm aids in determining the ideal anticoagulant and dose for individual elderly AF patients.
Conclusions:
- Non-vitamin K antagonist oral anticoagulants (NOACs) represent an advancement in thromboembolic prophylaxis for elderly individuals with non-valvular AF.
- NOACs offer enhanced efficacy and safety, potentially replacing controversial prophylactic measures like antiplatelet agents in this demographic.
Abstract:
Anticoagulation in elderly people with non-valvular atrial afibrillation (AF) is a challenge, due to the thromboembolic, as well as the haemorrhagic risks. The correct use of anticoagulants in these patients has shown a higher net clinical benefit when comparing it with a younger population. Non-vitamin K antagonist oral anticoagulants (NOACs) have been compared to oral vitamin K antagonists in several studies that included a sufficient number of elderly people. Favourable results for non-vitamin K antagonist oral anticoagulants were obtained in these studies, making them the preferred treatment for this group of patients. Basing the estimations on indirect comparisons, the ideal anticoagulant and the specific dose for each particular case has been determined. Finally, a new algorithm has been developed that relates these parameters. Geriatric assessment is the key to the indication for an anticoagulation, the type of anticoagulant needed, and also the best way to optimise all the factors for a safe anticoagulation. The arrival of non-vitamin K antagonist oral anticoagulants will enhance the efficient thromboembolic prophylaxis rate in elderly people with AF. This new treatment will remove different controversial prophylaxis, such as antiaggregants.
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