Abstract
Twenty-four patients were studied. First group was with UF during CPB and second group was without UF (priming volume=2440ml, discarding the oxygenator blood). In the next 2 groups, the diluted oxygenator blood was reinfused without UF (priming volume=2440, 1920ml). The function of the heart, lung, kidney after CPB was equally good among the 4 groups. The amount of the blood using in the operations was significantly decreased by reinfusing the diluted oxgenator blood. Indication of the OF was decided as follow: l; urine volume during CPB below 2ml/kg/hr, 2; hematocrit during CPB below 20%, 3; anuria was suspected after CPB.
