Overview Effects of Ulinastatin on Coagulation in High Risk Patients Undergoing Off Pump Coronary Artery Bypass Graft Surgery Status: Completed Trial end date: 2011-05-01 Target enrollment: Participant gender: Summary Ulinastatin reduce the amount of bleeding and fibrinolysis in high risk patients undergoing off-pump coronary bypass surgery (OPCAB). Phase: Phase 4 Details Lead Sponsor: Yonsei UniversityTreatments: Pharmaceutical SolutionsUrinastatin