Overview Optimal Heparin Dosing Regimens for Cardiopulmonary Bypass Status: Completed Trial end date: 2007-10-01 Target enrollment: Participant gender: Summary Study has been completed and is in the data analysis and manuscript writing phase of the project. Phase: Phase 3 Details Lead Sponsor: Mayo ClinicCollaborator: MedtronicTreatments: Calcium heparinHeparin