Objective: To assess the blood use in different orthopedic surgical interventions to avoid unnecessary cross matching and loss of blood bank products, finally decreasing costs.
Methodology: Our prospective and observational investigation included various orthopedic surgical interventions, elective and emergency, in patients of different age groups of both gender to evaluate the use of blood ordered and cross matched products and to create a suitable blood order scheme at Prince Hasheim Hospital, Zarqa, Jordan from April 2015 to January 2018. We reviewed patients orders, patients transfused, surgical intervention, number of units cross matched and transfused, cross match to transfusion ratio (CTR), transfusion probability (T%), number of patients cross matched and transfusion index (TI) and means a mean number of units transfused for an intervention and equals the number of units transfused/number of units cross matched or number of patients cross matched. BOQ (Blood ordering quotient) equals the number of units cross matched/TI / number of patients cross matched and TI equals the number of units transfused/number of patient´s transfused x BOQ.
Results: Two hundred and sixty one units of blood were cross matched for 147 patients and only 109 units were transfused to 82 patients. 41.8% (109/261) of the cross matched units and 55.8% (82/147) of total patients were transfused. Two of eight surgical interventions experienced a CTR of less than 2; five of 8 had median TI more than 0.5 and 3 of 8 had blood use of more than 50%. Fracture of forearm and unilateral total knee arthroplasty had the transfusion probability of less than 30%.
Conclusions: Suitable administration of blood by eliminating unnecessary cross matching for interventions of minimal blood need is crucial to enhance blood use practice and patient care.
Key words: Cross match to transfusion ratio; Transfusion index;Transfusion probability; Blood order quotient; Orthopedic.
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