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Background and Goal of Study: Maximum surgical blood ordering schedule (MSBOS) is a scheduled list of a number of units of blood to be cross-matched for different elective surgical procedures. Friedman et al. proposed the concept of MSBOS early in 1976. With increasing number of surgical procedures worldwide and reduced pool of potential donors the concept of MSBOS has been revisited in a number of studies. The advantages of MSBOS are: reduction in unnecessary blood preparation and wastage, better availability of blood products for emergencies, reduction in blood bank workload and reduction in cost for unnecessary crossmatch. As head and neck surgery has numerous different surgical procedures in rich vascular supply region and bleeding risk, we wanted to recheck our institutional MSBOS protocol introduced in 2015. Materials and Methods: Total number of surgical procedures at the Department of ENT and Head and Neck Surgery at the UHC Zagreb were included from 2013 till 30.11.2018., with special recheck for the predetermined bloody procedures according to local experience. Blood bank was asked to check for the total preordered red packs, number of transfused packs and C/T ratio was calculated for each year separately. Trend in C/T ration in years before and after MSBOS protocol were compared. Results and Discussion: In the years preceding MSBOS cross matched red packs were preordered for every surgery with bleeding risk according to anesthesiology in charge (almost 1:1 Ratio). After introduction of MSBOS protocol in 2015. things changed. Details are in Figure1. Conclusions: According to our results MSBOS can optimize blood product use and reduce costs, but it is a LIVE process and needs periodical reviews and modifications according to local settings. |
