PMID: 8956954Nov 1, 1996Paper

Giving both enoxaparin and dextran increases the need for transfusion in revision hip arthroplasty

The European Journal of Surgery = Acta Chirurgica
B LisanderO Engdahl

Abstract

To find out if the need for transfusion was increased by volume substitution with dextran 70 in patients receiving prophylaxis against thrombosis with low molecular weight heparin. Open randomised controlled trial. University hospital, Sweden. 40 patients undergoing revision hip arthroplasty. Enoxaparin 40 mg was given daily. Intraoperative normovolaemia was maintained with albumin (n = 20) or dextran 70 (n = 20). Intraoperative autotransfusion was used. Packed cell volume was kept above 0.29, if necessary with homologous blood. External blood loss, red cell balance. Dextran patients received 0.64 (0.2) g/kg of dextran (mean (SD)) and required more (p < 0.05) homologous blood (3.8 (2.4) units) than those receiving albumin (2.3 (1.6) units). The initial and final packed cell volumes were similar (0.40 and 0.32 compared with 0.41 and 0.32, respectively). The calculated loss of red cells was larger in the dextran group (1401 (511) compared with 1077 (374); p < 0.05). The combination of enoxaparin and dextran appreciably increased the need for transfusion compared with enoxaparin alone.

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