Abstract

The Comparison of blood damage among centrifugal pumps and roller pump in open heart surgery. Today Centrifugal blood pumps have developed. To compare the blood damage among the centrifugal pumps and roller pump in open heart surgery, fifty four patients who underwent elective coronary artery bypass grafting were divided into five groups, the Nikkiso HPM15 group (Nikkiso) (Group N n=14), theBioPump, BP80 group (BioMedicus)(Group B n=10), the Capiox SP pump group (Terumo) (Group C n=10), the Lifestreamgroup (S. J. M)(Group L n=10), and the roller pump group (Tonokura)(Group R n=10). We measured hemolysis index, β thromboglobulin, and platelet count during cardiopulmonary bypass. When the parameters were analyzed with repeated measures ANOVA method, there were no significant differences among the groups in hemolysis index, β thromboglobulin, and platelet count. When the parameters were analyzed with one way factorial ANOVA method, the damage of the platelet in all of the centrifugal pumps were smaller than that in the roller pump group. In conclusion, there are no significant differences in blood damage among the centrifugal pumps and roller pump in open heart surgery. The centrifugal pumps have significant potential to be used for open heart surgery