ESTRO 2023 - Abstract Book

S2076

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ESTRO 2023

to evaluate the quality of the treatment planning. FMs with RPN scores >100 were high risk defined in TG-275 report. High RPNs indicate more critical defect in process. Some Interventions given to improve the planning compliance rate were the couch-density replacement script, the plan/verification-image transmission script, beam-renaming script and the integrated radiation oncology information system (IROIS). The target value of the compliance rate is set to 90% to check if the interventions were effective. The PDCA (Plan-Do-Check-Act) method is used to review the improving process of and to evaluate the strategies. Results Figure 1 shows the process map of the workflow of treatment planning at our department. Based on the FMEA results, we found ten key high-risk failure modes (RPN ≧ 100). Table 1 presents the FMEA results. The compliance rate of treatment planning was 78.ˇ% in 2020 and then was raised to 89.% in 2021 after our interventions . The data analysis of this year is in progress.