Introduction: Blood transfusion in perioperation in cardiac surgery is important problem at many heart center. Reasonable indication, therapy method will have a good result in treatment. Purpose-Survey of using blood product and relative factors. Method: Collect all data base in patients, who are operated with cardio-pulmonary bypass system (CPB). Result: 91 percent patient were transfused the blood product (454 unit of red cell), in group 14 pateints used 212 unit red cell, the CPB time was 165 minutes
41.76 percent of patients were need transfused or