Abstract
Erythropoietin (EPO) plasma levels were monitored during the perioperative period in 61 consecutive patients (22 males - 39 females), aged 62.5 +/- 9.5 years, scheduled for hip arthroplasty. All patients underwent intraoperative blood salvage (IOBS) and were subdivided into three different groups according to their hemoglobin levels (Hb) 24 hours postoperatively (group A: Hb < 8 g/dl; group B: Hb between 8-9 g/dl; group C: HB > or = 9 g/dl). Seventy-two hours after surgery EPO levels were significantly different in group A (135 +/- 68) compared to group C (54.3 +/- 32), with a positive correlation (p < 0.01) between Hb and EPO levels. On the basis of these results we suggest that a programmed autologous red blood cell collection aimed at obtaining the lowest hemoglobin values during the first 24 hours after surgery, may be of clinical utility in preventing homologous blood needs.
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