keywords ANTIBODIES CARDIOPULMONARY BYPASS-SURGERY CHILDREN COMPLICATIONS DANAPAROID SODIUM Life Sciences & Biomedicine MOLECULAR-WEIGHT HEPARIN PLATELET-FACTOR-4 Pediatrics SODIUM-CHLORIDE INJECTION Science & Technology THROMBOSIS UNFRACTIONATED HEPARIN heparin heparin-induced thrombocytopenia lepirudin newborns thrombosis