Introduction: Educating youth about stroke can improve stroke knowledge in communities. Stroke Buster s, a 5-day program for high school students, consists of interactive stroke lectures, a mock stroke code simulation, and a hands-on thrombectomy demonstration. In 2022, we found that the program was efficacious in improving stroke knowledge using pre/post-tests. In 2023 we designed a consolidated 1-day program, and also repeated the annual 5-day summer program. We assessed pre/post-test knowledge for each workshop, long-term retention, and if teaching the program improved knowledge for prior participants. The optimal duration and format of stroke education for youth is not known. Methods: Students from three cohorts of the Yale University Pathways to Science program participated in Stroke Busters: 13 students from Summer 2022 (5-day, 90 min/day), 14 from Spring 2023 (1-day, 90 min), and 15 from Summer 2023 (5-day, 90 min/day). Student demographics of the overall Pathways to Science program were 31% White, 29% Black, 28% Hispanic, 12% Asian and <1% other. 8-question pre/post tests were administered at the beginning and conclusion of each session, as well as 8 months following the summer 2022 program. Results: Scores were similar for both summer (5-day) programs, increasing from 36.3% (pre-test) to 66.3% (post-test) in 2022 and from 41.7% to 62.5% in 2023. For the 1-day program, the scores increased from 35.7% to 62.5%. Post-test scores were similar for both the 5-day program and the 1-day consolidated program. Five students from the 2022 summer program replied to the 8-month follow up survey, resulting in an average test score of 65%, which was similar to their immediate post-test score of 66.3%. Two students from Summer 2022 (5-day) returned to teach the Spring 2023 (1-day) program, and their average test score after teaching was 87.5%. Conclusion: Stroke Busters is efficacious in promoting long-term retention of stroke knowledge among high school students; students who taught the course retain knowledge even better. The equivalence of post-test scores between the 5-day and 1-day programs offers valuable insights for resource optimization without compromising education quality.
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