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The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

Stroke prevention with oral anticoagulation therapy in patients with atrial fibrillation--focus on the elderly

Gregory Y H Lip1, Deirdre A Lane

  • 1University of Birmingham Centre for Cardiovascular Sciences, City Hospital, Birmingham, B18 7QH, UK. g.y.h.lip@bham.ac.uk

Circulation Journal : Official Journal of the Japanese Circulation Society
|May 10, 2013
PubMed

Insights

Elderly patients with atrial fibrillation (AF) benefit from oral anticoagulants (OACs) for stroke prevention, showing a positive benefit-risk balance despite increased bleeding risks. Treatment decisions should consider individual patient factors.

Area of Science:

  • Cardiology
  • Geriatrics
  • Pharmacology

Background:

  • Atrial fibrillation (AF) significantly increases stroke risk, particularly in aging populations.
  • Oral anticoagulants (OACs) are effective stroke preventatives but are underutilized in elderly patients due to bleeding concerns.

Purpose of the Study:

  • To evaluate the efficacy and safety of OACs in elderly patients with AF.
  • To compare treatment effects in elderly versus younger patients.
  • To determine the net clinical benefit of OACs for elderly individuals.

Main Methods:

  • Systematic review and evaluation of clinical study data.
  • Analysis of efficacy (stroke/systemic embolism) and safety (bleeding events) of OACs.
  • Comparison of vitamin K antagonists and newer OACs in different age groups.

Main Results:

  • Elderly patients face higher risks for both thromboembolic and bleeding events.
  • OACs demonstrated significant efficacy in stroke prevention, with comparable bleeding risks to controls in most studies.
  • Newer OACs (apixaban, rivaroxaban) showed no age-related interaction in treatment effects versus warfarin; dabigatran showed increased extracranial bleeding in older patients.

Conclusions:

  • Oral anticoagulant therapy offers a favorable benefit-risk profile for elderly patients with atrial fibrillation.
  • OACs are effective in reducing stroke risk in the elderly.
  • Individualized treatment decisions for stroke prevention in AF should balance potential benefits, risks, and patient preferences.

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