REDUCING DISCARDED BLOOD COMPONENTS: ANALYSIS OF REASONS FOR DISCARD OVER THE PAST 6 YEARS

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  • 廃棄血削減への取り組み‐過去６年廃棄理由の解析‐

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We are working on reducing the amount of discarded blood components by introducing T&S and MSBOS, promoting proper blood transfusion, and reexamining inventories in our hospital. To reveal the reasons for discard in detail, we analyzed discard rates and reasons from 2004 to 2009. Comparison between the discard rates in 2004 and 2009 revealed that the discard rate of red blood cell (RBC) products decreased from 1.1% to 0.2% and that of platelet concentrates (PC) from 0.3% to 0.1%. The discard rate of fresh frozen plasma (FFP) increased from 0.4% to 0.8%.<br> The main reason for the marked reduction in the discard rate of RBC products was a reduction in the amounts of expired products at the Department of Blood Transfusion (75 packs in 2004, 6 packs in 2009). In contrast, reasons for the discard of FFP and PC were found mainly in clinical departments (97% in FFP and 92% in PC). Although most cases were unavoidable, some were due to improper handling.<br> The reasons for discard differed by the type of blood product. However, our analysis revealed that there were still many human errors such as improper handling, besides expiration of products and patients' condition change. Education about the characteristics of each blood product and handling method is necessary to execute safe and effective transfusion therapy.<br>

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