Cost‐effectiveness of blood transfusion and white cell reduction in elective colorectal surgery

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Abstract
The use of white cell (WBC)-reduced blood in elective colorectal surgery appears to reduce the frequency of postoperative infection. The question to be addressed is whether the cost:benefit ratio justifies the recommendation that WBC-reduced blood should be used for all colorectal surgery. Patients admitted for elective colorectal surgery (n = 197) were randomly assigned to receive transfusion consisting of whole blood or WBC-reduced whole blood. Postoperative complications, postoperative stay, and hospital charges were compared. Forty-eight patients received WBC-reduced whole blood, 56 received unfiltered whole blood, and 93 received no transfusion. Postoperative infections were significantly higher (p < 0.001) in the group that received unfiltered whole blood. That group also had longer hospital stays: 17 days as compared to stays of 10 and 11 days for the group receiving no transfusion and the group receiving filtered whole blood transfusions, respectively (p < 0.01). The total hospital cost per patient receiving unfiltered whole blood was $12,347, as compared to $7,867 for those who received WBC-reduced whole blood and $7,030 for those who received no transfusion. The use of WBC-reduced whole blood transfusions in elective colorectal surgery significantly reduces the frequency of postoperative infection, the length of hospital stay, and the total hospital charges for patients needing blood transfusion.