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Preference-based antithrombotic therapy in atrial fibrillation: implications for clinical decision making
Malcolm Man-Son-Hing1, Brian F Gage, Alan A Montgomery
1Elisabeth Bruyere Research Institute and Division of Geriatric Medicine, University of Ottawa, Ottawa, Ontario, Canada. mhing@ohri.ca
Summary
Patient preferences for antithrombotic treatment in atrial fibrillation often differ from clinical guidelines. Individual patient preferences vary, impacting treatment decisions and requiring physician consideration.
Area of Science:
- Cardiology
- Medical Decision Making
- Health Economics
Background:
- Clinical practice guidelines for antithrombotic treatment in atrial fibrillation may not align with patient preferences.
- Understanding patient preferences is crucial for effective treatment decision-making.
Purpose of the Study:
- To compare patient preference thresholds for antithrombotic treatment with clinical practice guideline recommendations.
- To analyze the heterogeneity of patient preferences in atrial fibrillation management.
Main Methods:
- Systematic review and meta-analysis of eight studies involving 890 patients.
- Utilized decision analysis, probability tradeoff, and decision aids to model patient preferences.
Main Results:
- Significant variability exists in patient thresholds for preferring warfarin over aspirin.
- Patient preferences suggested fewer warfarin users than guideline recommendations in 6 of 8 studies.
- Warfarin required a 0.9%–3.0% absolute stroke risk reduction for patient acceptance.
Conclusions:
- Clinical guidelines for atrial fibrillation treatment frequently diverge from patient preferences.
- Individual patient preferences exhibit substantial heterogeneity and impact clinical decisions.
- Physicians must integrate patient preferences with guideline recommendations for optimal care.