Abstract
Most blood units routinely cross-matched for patients undergoing Caesarean section (CS) in Nigeria are not used for transfusion. Over-ordering increases blood wastage, blood bank running costs, surgery costs and waiting times. A one-year review of all CS performed in the University of Ilorin Teaching Hospital (UITH), Nigeria, was thus conducted to evaluate blood reservation and utilisation practice. Efficiency of blood utilisation was evaluated using a cross-match to transfusion (C/T) ratio, transfusion probability (TP) and transfusion index (TI). The overall C/T ratio, TP and blood wastage were, respectively, 3.1, 24.6%, and 68%, indicative of inefficient blood utilisation. Establishing a Maximal Surgical Blood Order Schedule (MSBOS), which estimates the units of blood required for specific CS indications, is recommended to minimise blood over-ordering. Blood grouping alone should be done for patients at low risk for transfusion. For moderate risk patients, blood type and screen without cross-matching should be done, reserving cross-matching for high-risk patients.
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