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Migration check tool: automatic plan verification following treatment management systems upgrade and database
Scott W Hadley1, Dale White, Xiaoping Chen
1University of Michigan Radiation Oncology. swhadley@umich.edu.
Journal of Applied Clinical Medical Physics
|November 22, 2013
Summary
Automated software compares radiation therapy treatment plans between database versions, ensuring accurate data migration for patient safety. This tool efficiently verifies thousands of parameters, surpassing manual checks and traditional quality assurance methods.
Area of Science:
- Medical Physics
- Radiation Oncology
- Software Engineering
Background:
- Software upgrades for treatment management systems (TMS) necessitate data migration, posing risks to patient safety.
- Manual verification of radiation therapy treatment plan parameters is infeasible due to the large data volume.
- Current quality assurance (QA) methods like pretreatment QA are time-consuming, costly, and may not detect migration-introduced errors.
Purpose of the Study:
- To investigate the efficacy of an automated Plan Comparison Tool for verifying data migration between TMS database versions.
- To develop and implement software for querying and comparing treatment plans across different TMS versions.
- To ensure patient safety by validating the integrity of migrated radiation therapy treatment plan data.
Main Methods:
- Developed software to query and compare treatment plans between different TMS database versions.
- Converted treatment plans into an XML schema for standardized comparison.
- Utilized a plan comparison module with schema mapping to identify parameter differences.
- Implemented a console application for batch processing and comparison of multiple treatment plans.
Main Results:
- Successfully migrated and compared 358 treatment plans between Varian's Aria 8.9 and Aria 11 TMS in 89 minutes.
- The automated tool provided a comprehensive comparison of all plan parameters.
- The direct comparison of all parameters surpassed the limitations of traditional QA methods.
Conclusions:
- The automated Plan Comparison Tool effectively and efficiently verifies data integrity during TMS software upgrades and database migrations.
- This software solution enhances patient safety by ensuring accurate treatment plan data.
- The tool offers a superior alternative to manual verification and conventional QA procedures for data migration validation.
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