Restrictive allogeneic blood transfusion strategy in patients with extremity bone sarcomas

초록

Allogeneic blood transfusions (ABTs) are common in patients with cancer. The present study investigated the safety of a restrictive ABT strategy in patients with extremity sarcomas. Patients who underwent operations for extremity bone sarcomas between May 2008 and November 2018 were retrospectively reviewed. Clinical outcomes based on hemoglobin concentrations, postoperative infections, and hospital stay were compared between 20 patients who received liberal ABT (control group) and 19 patients who received restrictive ABT (restrictive group). The rates of distant metastasis and death were compared between the groups. The mean number of ABTs was 3.6 +/- 3.8 units in the control group and 0.33 +/- 0.74 units in the restrictive group (P<.001). Only 3 of 19 patients received transfusions (2 red cell packs each). The hemoglobin levels tended to fall during the first 3 postoperative days but seemed to stabilize within the first postoperative week in both groups. Postoperative surgical site infections only occurred in the patients who received ABTs regardless of the group. The rates of distant metastasis and death were higher in the control group than in the restrictive group (25.0% vs 15.7% and 10.0% vs 0%, respectively), but the differences were not significant. A restrictive ABT strategy may be safely performed in patients with extremity bone sarcomas depending on the intraoperative status and specific characteristics of each patient.

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