Antithrombotic therapy in heart failure.
Patients with congestive heart failure have a significant risk of stroke due to thromboembolism from the dilated left ventricle. Two relatively small trials suggest that oral anticoagulation with vitamin-K antagonists may reduce this risk when compared with placebo, aspirin or clopidogrel. However, more studies are eagerly awaited. So far, physicians seeing patients with heart failure should decide who needs antithrombotic prophylaxis on a case-by-case basis, especially since most heart failure patients have significant comorbidity precluding the use of oral anticoagulant.
Department of Cardiology, Onze Lieve Vrouwe Gasthuis (OLVG), Oosterpark 9, 1091 AC, Amsterdam, the Netherlands, f.w.a.verheugt@olvg.nl.
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Verheugt