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CLINICAL EVALUATION OF AUTOLOGOUS BLOOD TRANSFUSION DRAINS FOLLOWING PRIMARY TOTAL KNEE ARTHROPLASTY. IS IT AN ALTERNATIVE TO HOMOLOGOUS TRANSFUSION? PROSPECTIVE RANDOMISED CONTROLLED TRIAL

7th Congress of the European Federation of National Associations of Orthopaedics and Traumatology, Lisbon - 4-7 June, 2005



Abstract

We prospectively randomised 104 consecutive patients undergoing primary cemented total knee arthroplasty to receive either a standard suction drain© (Redivac) or autologous transfusion drain® (Bellovac). There were fifty two patients in each group. Randomisation was performed using a software program (Minim) which set to stratify patients based on their age, sex and body mass index (BMI). All procedures were performed under pneumatic tourniquet.

Drains were released in recovery room 20 minutes after surgery and were removed 24 hours following surgery. Blood collected in the standard suction drain was discarded but blood collected in the autologous transfusion drains was transfused unwashed to the patient within six hours of collection.

13 patients (25%) in the study group had two or more units of homologous blood transfused in addition to the blood collected postoperatively and re-transfused (Average= 438mls). 12 patients (23%) in the control group had two or more units of homologous blood transfused. No sepsis, transfusion reactions, or coagulopathies were associated with the autologous blood re-transfused in the study group.

The use of autologous transfusion system (Bellovac) proved to be safe but failed to reduce the need for postoperative homologous blood transfusion following uncomplicated total knee arthroplasty.

Theses abstracts were prepared by Professor Roger Lemaire. Correspondence should be addressed to EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.