Assessment of the Efficacy of the First Aspirin Dose in Children Undergoing Surgery for Congenital Heart Disease (CHD) Who Require Post-operative Antiplatelet Therapy

Exclusion Criteria

• •Strict: personal or family history of bleeding/clotting disorder, patients requiring anticoagulation rather than antiplatelet therapy after surgery.
• •Relative: patients with significant post-operative bleeding precluding the use of anticoagulation and/or antiplatelet therapy within the first 48-72 hours (eg. clinical instability preventing the initiation of oral aspirin therapy), patients requiring additional fresh platelet transfusion after the initiation of post-operative heparin infusion.