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THE ROLE OF RECOVERED AUTOLOGOUS BLOOD TRANSFUSION IN ANTERIOR SCOLIOSIS SURGERY

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



Abstract

Anterior scoliosis surgery is associated with potentially significant intra-operative blood loss, requiring homologous transfusion either intra- or post-operatively.

Blood loss in this type of surgery correlates with surgical & anaesthetic techniques. In our centre the development of specific anaesthetic techniques as well as the routine use of Cell Salvage has dramatically reduced the rates of homologous blood transfusion.

Currently specific indications for the use of the Cell Saver in Anterior Scoliosis have not been proven. Previous studies have commented on the beneficial aspects of recovered autologous transfusion for Orthopaedic patients in general, whilst others have shown a negligible advantage specifically in anterior thoracolumbar fusion surgery.

In order to assess the cost-effectiveness of the techniques used in Anterior Scoliosis Surgery we carried out a retrospective study of 180 consecutive patients, all of whom underwent instrumented anterior scoliosis correction between July 2000 and September 2004. A cell saver was used in all the cases, and hospital data (including haematological indices and number of levels fused) was collected. The median age of the study cohort was 11.2 years (range 7 – 64), and the male:female ratio was 1:8.4.

The average preoperative haemoglobin in all patients was 12.7g/dl and the average postoperative haemoglobin was 9.8g/dl. In total the rate of homologous transfusion requirement was 1 unit per 9.1 patients.

Results show that homologous transfusion was required in less than 11% of all patients. This is better than previously published rates of transfusion in similar procedures. The range of volume of intra-operatively salvaged cells was 200 to 770mls.

There was no correlation between the number of levels fused (extent of scoliosis corrective surgery) and units transfused.

Our experience shows that the use of Salvaged Autologous Blood Transfusion in anterior scoliosis surgery has an important role in reducing the incidence of postoperative anaemia and homologous transfusion requirements.

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