• Akira Yamamoto, Hisakazu Nishimori, Keisuke Seike, Hideaki Fujiwara, Noboru Asada, Daisuke Ennishi, Keiko Fujii, Nobuharu Fujii, Ken-Ichi Matsuoka, and Yoshinobu Maeda.
• Department of Hematology and Oncology, Okayama University Hospital, Japan.
• Intern. Med. 2024 Jul 18.

AbstractIntroduction Despite the critical role of bone marrow aspiration and a trephine biopsy (BMAT) in the diagnosis and management of hematological diseases, research on effective teaching methods is limited. Medical students traditionally learn to perform BMAT through observation and replication, which poses a risk to patient safety. Therefore, we developed a novel BMAT simulator for undergraduate medical students using a simulation-based education program. Methods This program, designed for fourth- and fifth-year medical students at Okayama University Medical School, included pre-study materials and one hour of simulation training. Internists practicing hematology served as the controls. Before and after the simulation training, the students completed questionnaires regarding self-confidence, self-evaluation, interest, and knowledge. The procedures were evaluated objectively using a checklist at the end of the program. Results There were significant improvements in self-evaluation, self-confidence, interest, and knowledge acquisition after the simulation program (p≤0.001). The checklist revealed that the mean overall proficiency level of the students was 76.9%, which was significantly higher than that of internists (63.5%) (p≤0.01). Conclusion Our simulation-based education program using the novel BMAT simulator improved medical students' BMAT knowledge and skills.

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