Pediatric patients suffering cyanotic congenital heart disease (CCHD) are prone to excessive surgical bleeding in the early postoperative period and the need for transfusion when exposed to cardiac operations in which cardiopulmonary bypass (CPB) is used. The use of antifibrinolytic agents such as E-amino caporic acid or tranexamic acid (TX) to reduce blood loss after Pediatric cardiac surgery has been described in several studies