Values and preferences in oral anticoagulation in patients with atrial fibrillation, physicians' and patients' perspectives: protocol for a two-phase study
2008

Understanding Preferences for Anticoagulation in Atrial Fibrillation

Sample size: 192 publication Evidence: moderate

Author Information

Author(s): Pablo Alonso-Coello, Victor M. Montori, Ivan Solà, Holger J. Schünemann, Philip J. Devereaux, Cathy Charles, Mercè Roura, M. Gloria Díaz, Juan Carlos Souto, Rafael Alonso, Sven Oliver, Rafael Ruiz, Blanca Coll-Vinent, Ana Isabel Diez, Ignasi Gich, Gordon Guyatt

Primary Institution: Iberoamerican Cochrane Center, Hospital Sant Pau, Barcelona, Spain

Hypothesis

Do patients' and clinicians' preferences explain the utilization of warfarin to prevent strokes associated with atrial fibrillation?

Conclusion

The study aims to explore the differences in treatment preferences between patients and clinicians regarding anticoagulation therapy for atrial fibrillation.

Supporting Evidence

  • Less than 40% of patients with atrial fibrillation receive warfarin.
  • Patients are generally more stroke-averse than bleeding-averse.
  • Clinicians may perceive patients as being at high risk of bleeding, affecting their treatment recommendations.

Takeaway

This study is trying to find out why some patients with atrial fibrillation don't get the blood thinner warfarin, even though it can help prevent strokes.

Methodology

The study will conduct structured interviews and focus groups to assess treatment preferences for warfarin vs. aspirin among patients and clinicians.

Potential Biases

Clinicians may have a bias towards avoiding bleeding risks more than patients do.

Limitations

The previous study lacked detailed presentations of warfarin use and did not consider all causes of death related to bleeding and strokes.

Participant Demographics

Patients aged 60 and older with conditions like diabetes and hypertension; clinicians from various specialties.

Digital Object Identifier (DOI)

10.1186/1472-6963-8-221

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