• Carrie Reale, Deborah A Ariosto, Matthew B Weinger, and Shilo Anders.
• Center for Research and Innovation in Systems Safety, Department of Anesthesiology, Institute for Medicine and Public Health, and the Center for Health Services Research, Vanderbilt University Medical Center, Nashville, TN, USA. carrie.reale@vumc.org.
• J Gen Intern Med. 2023 Oct 1; 38 (Suppl 4): 982990982-990.

BackgroundElectronic health record (EHR) system transitions are challenging for healthcare organizations. High-volume, safety-critical tasks like barcode medication administration (BCMA) should be evaluated, yet standards for ensuring safety during transition have not been established.ObjectiveIdentify risks in common and problem-prone medication tasks to inform safe transition between BCMA systems and establish benchmarks for future system changes.DesignStaff nurses completed simulation-based usability testing in the legacy system (R1) and new system pre- (R2) and post-go-live (R3). Tasks included (1) Hold/Administer, (2) IV Fluids, (3) PRN Pain, (4) Insulin, (5) Downtime/PRN, and (6) Messaging. Audiovisual recordings of task performance were systematically analyzed for time, navigation, and errors. The System Usability Scale measured perceived usability and satisfaction. Post-simulation interviews captured nurses' qualitative comments and perceptions of the systems.ParticipantsFifteen staff nurses completed 2-3-h simulation sessions. Eleven completed both R1 and R2, and seven completed all three rounds. Clinical experience ranged from novice (< 1 year) to experienced (> 10 years). Practice settings included adult and pediatric patient populations in ICU, stepdown, and acute care departments.Main MeasuresTask completion rates/times, safety and non-safety-related use errors (interaction difficulties), and user satisfaction.Key ResultsOverall success rates remained relatively stable in all tasks except two: IV Fluids task success increased substantially (R1: 17%, R2: 54%, R3: 100%) and Downtime/PRN task success decreased (R1: 92%, R2: 64%, R3: 22%). Among the seven nurses who completed all rounds, overall safety-related errors decreased 53% from R1 to R3 and 50% from R2 to R3, and average task times for successfully completed tasks decreased 22% from R1 to R3 and 38% from R2 to R3.ConclusionsUsability testing is a reasonable approach to compare different BCMA tasks to anticipate transition problems and establish benchmarks with which to monitor and evaluate system changes going forward.© 2023. The Author(s).

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