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  • Title: [Mannheim concept of preoperative autologous blood donation and perioperative autologous blood transfusion in hip endoprosthesis surgery].
    Author: Lorentz A, Konermann W, Kellenbenz C, Heine T, Zimmermann G, Segiet W, Jani L.
    Journal: Z Orthop Ihre Grenzgeb; 2000; 138(4):311-7. PubMed ID: 11033898.
    Abstract:
    PURPOSE: To investigate the efficiency of preoperative autologous deposit and intra- and postoperative cell salvage (CS) to reduce homologous transfusion in hip arthroplasty and revision hip arthroplasty. METHODS: In a retrospective study, the data of 1402 patients scheduled for hip arthroplasty and for revision hip arthroplasty were analysed. RESULTS: 767 women and 635 men, age 62.9 +/- 9.8 years (x +/- s) were included in the study. 1270 were scheduled for hip arthroplasty, 132 for revision hip arthroplasty. Of the autologous donors, 51 patients predeposited four units, 1020 patients three, 204 patients two, 39 patients one unit. 88 patients who had not enrolled in the autologous donation program but received CS served as a control group. Blood loss in autologous donors amounted to 1620 (220-5620) ml in hip arthroplasty and 2830 (950-7910) ml in revision arthroplasty. CS was employed in part of the cases in arthroplasty and in all revision operations. 470 (0-2200) ml and 705 (0-2200) were retransfused. In hip arthroplasty 227 of 1182 patients (19.2%) received homologous blood. Homologous transfusion in patients with coxarthrosis due to acetabular protrusio, avascular necrosis of the femoral head and hip dysplasia showed a trend to higher values. Patients who had donated 3 units and received CS required homologous transfusion in 12.4% of the cases. CS reduced the homolgous transfusion rate significantly if the preoperative hemoglobin concentration was < or = 12 g/dl. A group of autologous donors receiving CS was matched with patients receiving CS only. 12 of 76 (15.8%) vs. 45 of 76 (59.2%) required homologous transfusion. In revision hip arthroplasty 58 of 132 patients (43.9%) required homologous blood. CONCLUSIONS: Preoperative deposit reduces homologous transfusion requirements considerably in hip surgery. Under the conditions studied CS should be employed in hip arthroplasty in addition to preoperative deposit if the preoperative hemoglobin concentration falls below 12 g/dl. In revision arthroplasty, 4 or more autologous units should be predeposited and CS should be used regularly.
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