Abstract
To determine the durability of a successful intervention to modify clinician transfusion practices, and to compare current transfusion practices in the "intervention" hospital with those in a hospital with no intervention. Prospective, descriptive study. Two major metropolitan teaching hospitals--Royal Melbourne Hospital and Western Hospital, Footscray. Consecutive patient transfusion episodes for red cells, platelets and fresh frozen plasma (FFP). Appropriateness of transfusion according to intervention guidelines; comparison of inappropriate transfusion rates before the intervention, immediately after the intervention and 3 years after the intervention. Comparison of inappropriate transfusion rates in intervention and non-intervention hospitals. Inappropriate transfusion rates 3 years after the intervention were 20% for red cells, 27% for platelets, and 43% for FFP. These were significantly higher than equivalent rates reported immediately after the intervention. Inappropriate transfusion rates at the non-intervention hospital were comparable (26% for red cells, 36% for platelets and 52% for FFP). Appropriate clinician transfusion practices have proven difficult to sustain 3 years after hospital guideline generation and promotion. A "gate-keeping" role by hospital blood bank staff proved impractical in the long term.
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