• L K Smith, D H Williams, and V G Langkamer.
• Department of Trauma and Orthopaedic Surgery Weston General Hospital, Uphill, Weston-super-Mare, UK. lindsay.smith@waht.swest.nhs.uk
• J Bone Joint Surg Br. 2007 Aug 1;89(8):1092-7.

AbstractClinical, haematological or economic benefits of post-operative blood salvage with autologous blood re-transfusion have yet to be clearly demonstrated for primary total hip replacement. We performed a prospective randomised study to analyse differences in postoperative haemoglobin levels and homologous blood requirements in two groups of patients undergoing primary total hip replacement. A series of 158 patients was studied. In one group two vacuum drains were used and in the other the ABTrans autologous retransfusion system. A total of 58 patients (76%) in the re-transfusion group received autologous blood. There was no significant difference in the mean post-operative haemoglobin levels in the two groups. There were, however, significantly fewer patients with post-operative haemoglobin values less than 9.0 g/dl and significantly fewer patients who required transfusion of homologous blood in the re-transfusion group. There was also a small overall cost saving in this group.

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