RESUMO
The development of realistic dummies for training the distal phalanx amputation (DPA) technique in mouse pups is a promising alternative to reduce and replace animals in training for research and teaching. To test this, we obtained micro-CT data from postnatal day-five mouse pups, meticulously segmented them, and converted them into a 3D mesh format suitable for 3D printing. Once the dummy was printed, it was evaluated during actual training courses in two different groups: in the first group, users received no dummies to train the DPA, and in the second group, users were trained with three dummies. To assess the effectiveness of the dummy, we conducted a survey followed by an expert veterinarian evaluation. Our results showed that DPA is a complex procedure, and it is commonly poorly performed. When implementing the dummies, users who were not provided with dummies to practice only had an 8.3% success rate in DPA, while users provided with three dummies had a 45.5% success rate, respectively. Despite additional research being needed, our dummy offered improved practical training by providing a safe and effective alternative in line with ethical considerations while demonstrating the feasibility of using 3D printing technology to promote the 3Rs in experimental research.
RESUMO
Background: Undergraduate medical students take the licensing exam (M3) as a two-day oral-practical examination. The main requirements are to demonstrate history taking skills and coherent case presentations. The aim of this project was to establish a training in which students can test their communication skills during history taking and their clinical reasoning skills in focused case presentations. Methods: In the newly developed training, final-year students took four telemedical histories in the role of physicians from simulated patients (SP). They received further findings for two SPs and presented these in a handover, in which they also received a handover of two SPs which they had not seen themselves. Each student presented one of the two received SPs in a case discussion with a senior physician. Feedback was given to the participants on their communication and interpersonal skills by the SPs with the ComCare questionnaire and on the case presentation by the senior physician. Sixty-two students from the universities of Hamburg and Freiburg in their final year participated in September 2022 and evaluated the training. Results: Participants felt that the training was very appropriate for exam preparation. The SPs' feedback on communication and the senior physician's feedback on clinical reasoning skills received the highest ratings in importance to the students. Participants highly valued the practice opportunity for structured history taking and case presentation and would like to have more such opportunities in the curriculum. Conclusion: Essential elements of the medical licensing exam can be represented, including feedback, in this telemedical training and it can be offered independent of location.
