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Thirty-one patients scheduled to undergo aortic reconstruction were studied. 16 had aortic aneurysms and 15 required aortobifemoral grafts. The solcotrans unit comprises a rigid plastic container with an inner lining bag, into which blood is aspirated. When the bag is full (500 ml), the unit is inverted and blood is re-infused through a 40 micron filter. Sixty-three percent of the blood transfused per-operatively and 41% peri-operatively was given with the solcotrans unit. Only minor changes in the coagulation parameters were seen. Blood cultures from ten solcotrans units were all negative. Two patients contracted pneumonia, and one cystitis. We conclude that the solcotrans system is safe to use when two-to four units of blood are transfused. Further studies are required to define its role when multitransfusions of blood are needed.