This prospective, controlled study compared cold compressive dressings with wool and crepe in the postoperative management of patients undergoing total knee replacement (TKR). Forty TKR patients were assessed for blood loss, pain, swelling, and range of motion. Patients in the cold compression group had less blood loss through suction drainage (982 ml versus 768 ml). A higher proportion of patients in the treatment group did not require blood transfusion postoperatively. Mean opiate requirements were lower in the cold compression group (0.57 versus 0.71 mg/kg/48 hours). The cold compression device appeared to reduce blood loss and pain following TKR.

The results are reported of an audit of allografts collected in the first 18 months of the Leicester Bone Bank. We retrieved 161 femoral heads at primary arthroplasty of which 103 were implanted into 59 patients. There were deep infections in two recipients and wound infections in five. In two of these cases, culture of the femoral head at implantation was positive but the organisms grown were not those which caused the clinical infection. We retrieved 22 large allografts from six cadavers. Four of these were contaminated at retrieval and required irradiation for sterilisation. There has been one clinical infection in the nine large allografts implanted so far. We recommend that all bone banks undertake prospective audit to ensure that high standards are maintained and wastage minimised.

The hospital transfusion committee of Swindon and Marlborough NHS Trust had formulated a maximum surgical blood ordering schedule (MSBOS) which included the standard practice of 6 units of blood for revision hip arthroplasty. A retrospective audit of 73 patients who underwent revision hip arthroplasty over a year was undertaken to identify current practice and to ensure that the standard was adequate for patient safety. Information regarding the number of units requested, number of units transfused, pre-operative haemoglobin (Hb), lowest postoperative Hb and number of additional units of blood requested within 3 days postoperatively, was collected from patients' case-notes. Of the 73 patients, 80.3% received less than 6 units, 12.2% received 6 units and 7.5% received more than 6 units. Based on pre-operative Hb, blood usage was analysed. Of crossmatched units, 92.3% were used when pre-operative Hb was < 12 g/dl, 64.4% were used when Hb was between 12.1-13.0 g/dl, 54.3% were used when the Hb was between 13.1-14.0 g/dl, 38.9% were used when Hb was between 14.1-15.0 g/dl and 39.7% used with pre-operative Hb of > 15.0 g/dl. Of the total, 14 patients had a postoperative Hb of < 9 g/dl for whom additional units of blood were ordered and given to achieve a Hb of between 10.1-14.2 g/dl prior to discharge. This audit suggests that in patients with pre-operative Hb of 13 g/dl or more, the cross-match could be 4 units instead of 6 units for revisions.

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