Abstract
Postbypass hemoconcentration was achieved with plasmaseparator, Plasmaflo AP-08H® (10cases) [GroupI] and with new device, ASA-1200 (10cases)[GroupII]. Changes of blood components before and after hemoconcentration were analized. Ht significantly increased in both Groups, and RBC, Hb, WBC, Plat too. Free Hb was slightly concentrated in both Gourps, but not significantly. Serum protein was not concentrated in GourpI, but significantlyconcentrated in GroupII. The new blood-concentrator is therefore, recognized to bs an effective device for the hemoconcentration after cardiopulmonary bypass.