Abstract
Abstract Purpose: Intraoperative autotransfusion is frequently used in aortic surgery, despite the paucity of data regarding its safety and efficacy. This study was designed to compare whole blood autotransfusion with homologous transfusion for the replacement of blood lost during abdominal aortic procedures. Methods: Whole blood autotransfusion was evaluated in 200 patients undergoing aortic reconstructive procedures during a 3-year period. Collection and reinfusion of unwashed filtered shed blood was undertaken in 100 patients, and clinical, laboratory, and economic parameters were compared with those in a group of 100 patients undergoing aortic operation with homologous banked blood replacement. Results: The two groups were comparable with respect to demography, the type of procedure, baseline laboratory profile, and the frequency of coexistent medical illnesses. The amount of blood salvaged and reinfused averaged 1729 ± 68 ml in the autotransfusion group. Patients undergoing autotransfusion received a mean of 0.6 ± 0.1 units of banked blood during operation, compared with 3.4 ± 0.1 units in the homologous group ( p 3 /mm 3 , p p p p p Conclusion: These data suggest that autotransfusion of unwashed, filtered blood is a safe and efficacious alternative to homologous blood replacement in patients undergoing major aortic reconstructive procedures. (J VASC SURG 1993;18:16-22.)
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