Warfarin Use and Outcomes in Patients With Advanced Chronic Systolic Heart Failure Without Atrial Fibrillation, Prior Thromboembolic Events, or Prosthetic Valves

The American Journal of Cardiology, 02/15/2011

In patients with chronic advanced systolic heart failure without atrial fibrillation or other recommended indications for anticoagulation, prevalence of warfarin use was high. However, despite a therapeutic international normalized ratio in those receiving warfarin, its use had no significant intrinsic association with mortality and hospitalization.

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