Does intraoperative cell salvage system effectively decrease the need for allogeneic transfusions in scoliotic patients undergoing posterior spinal fusion? A prospective randomized study

i) Study design: Prospective randomized controlled trial
ii) Perioperative allogenic blood transfusion rates (14.5 versus 32.7%, p = 0.025) and mean intraoperative RBC transfusion requirements (0.21 U/pt versus 0.58 U/pt, p = 0.032) were lower in the cell saver group.
iii) Multivariate analysis demonstrated that number of fused segments (OR: 1.472; p = 0.005), preoperative hemoglobin level (OR: 0.901; p = 0.001), and the use of cell saver system (OR: 0.133; p = 0.003) had a trend toward significance in predicting likelihood of transfusion.

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