A Multicenter, Randomized Trial Comparing Heparin/Warfarin and Acetylsalicylic Acid as Primary Thromboprophylaxis for 2 years After the Fontan Procedure in Children

Study Questions:

What is the safety and efficacy of acetylsalicylic acid (ASA) as compared with warfarin for thromboprophylaxis after the Fontan procedure?