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 cross-matched 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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机译：Swindon和Marlborough NHS Trust的医院输血委员会已经制定了最大手术血液订购时间表（MSBOS），其中包括用于翻修髋关节置换术的6单位血液的标准做法。回顾性审查了73例接受了一年多的髋关节置换术的患者，以查明当前的做法并确保该标准足以确保患者安全。从患者的病历中收集了有关所需单位数，输注单位数，术前血红蛋白（Hb），术后最低Hb以及术后3天内要求的额外血液单位数的信息。在这73例患者中，有80.3％接受了少于6个单位，12.2％接受了6个单位，而7.5％接受了超过6个单位。根据术前血红蛋白，分析血液使用情况。在交叉匹配的单位中，术前Hb <12 g / dl时使用92.3％，Hb在12.1-13.0 g / dl之间时使用64.4％，Hb在13.1-14.0 g之间时使用54.3％ / dl，当Hb在14.1-15.0 g / dl和39.7％之间时，使用38.9％，而术前Hb> 15.0 g / dl。在所有患者中，有14名患者的术后血红蛋白<9 g / dl，为这些患者订购了额外的血液单位，并在出院前达到Hb在10.1-14.2 g / dl之间。该审核表明，术前Hb为13 g / dl或更高的患者，交叉匹配可能是4个单位，而不是修订的6个单位。
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