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Blood transfusion services maintain quality practice through adherence to guidelines but are faced with blood component wastage due to multiple factors. One factor, in particular, is poor ordering and utilization practices followed by physicians who may not be familiar with the indications and the optimal conditions for the handling of blood products. This study evaluates whether an educational intervention would help reduce ordering of plasma and improve wastage rates after thawing. The study followed a quasi-experimental pre-test post-test design. A multifaceted educational intervention was introduced at a tertiary hospital-based combining predisposing, enabling, and reinforcing activities, based on the literature of effective continuous professional development. The activities included a brief survey to evaluate participant knowledge about indications of plasma and its storage condition, a lecture, and periodic reports and reminders sent to all department heads in the hospital. Respondents to the survey and lecture attendees included physicians in adult critical care and anesthesia departments. Monthly plasma utilization and wastage rates were compared before and after introducing the intervention. Sixty physicians participated in the survey. The questions were answered correctly by less than half. After introducing the intervention, monthly plasma transfusion rates decreased; however, wastage rates did not improve. There is a knowledge gap among physicians who order plasma. The educational intervention resulted in lower plasma transfusion rates but did not affect wastage rates. Future interventions would benefit from including physicians in other departments as well as nurses. [ABSTRACT FROM AUTHOR]