Abstract Background Patients with Fontan circulation are at an increased risk of developing thromboembolic events in the first 3–12 months after surgery [1,2]. Thromboembolic can lead to significant mortality [3]. The current guidelines recommend use antithrombotic therapy, either aspirin or warfarin, as a primary thromboprophylaxis [4,5]. On other hand, main adverse effect is bleeding, which m...

venous thromboembolism: an evaluation of the use of thromboprophylaxis guidelines. Chest 2001; 120: 1964–71. 6 Alikhan R,Wilmott R, Agrawal S. Use of thromboprophylaxis in nonsurgical patients: survey of a London teaching hospital. Blood 2001; 98: 1142 (abstract). 7 Ageno W, Squizzato A, Ambrosini F, Dentali F, Marchesi C, Mera V, Steidl L, Venco A. Thrombosis prophylaxis in medical patients: a...