A novel latex patch model enables cost-effective hands-on teaching in vascular surgery

A novel latex patch model enables cost-effective hands-on teaching in vascular surgery

We developed a new simulator for hands-on teaching of vascular surgical skills, the Leipzig Latex Patch Model (LPM). This study aimed to quantify the effectiveness and acceptance of the LPM evaluated by students, as well as evaluation of the results by experienced vascular surgeons. A prospective, s...

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Bibliographic Details
Published in:Surgery open science Vol. 20; pp. 194 - 202
Main Authors: Gaenzle, Maximilian, Geisler, Antonia, Hering, Hannes, Sabanov, Arsen, Steiner, Sabine, Branzan, Daniela
Format: Journal Article
Language:English
Published: United States Elsevier Inc 01-08-2024
Elsevier
Subjects:
Hands-on teaching
Latex Patch Model
Low-cost
Patch graft
Research Paper
Skill course
Vascular surgery
Low-cost
Vascular surgery
Patch graft
Hands-on teaching
Skill course
Latex Patch Model
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Summary:We developed a new simulator for hands-on teaching of vascular surgical skills, the Leipzig Latex Patch Model (LPM). This study aimed to quantify the effectiveness and acceptance of the LPM evaluated by students, as well as evaluation of the results by experienced vascular surgeons. A prospective, single-center, single-blinded, randomized study was conducted. Fifty 5th-year medical students were randomized into two groups, first performing a patch suture on the LPM (study group) or established synthetic tissue model (control), then on porcine aorta. The second suture was videotaped and scored by two surgeons using a modified Objective Structured Assessment of Technical Skill (OSATS) score. We measured the time required for suturing; the participants completed questionnaires. Participants required significantly less time for the second suture than the first (median: LPM 30 min vs. control 28.5 min, p = 0.0026). There was no significant difference in suture time between the groups (median: 28 min vs. 30 min, p = 0.2958). There was an increase in confidence from 28 % of participants before to 58 % after the course (p < 0.0001). The cost of materials per participant was 1.05€ (LPM) vs. 8.68€ (control). The OSATS-scores of the LPM group did not differ significantly from those of the control (median: 20.5 points vs. 23.0 points, p = 0.2041). This pilot study demonstrated an increase in technical skills and confidence through simulator-based teaching. Our data suggests comparable results of the LPM compared to the conventional model, as assessed by the OSATS-score. This low-cost, low-threshold training model for vascular suturing skills should make hands-on training more accessible to students and surgical residents. We developed and validated a low-cost, low-threshold training model for vascular suturing skills. This should make hands-on training more accessible to medical students and surgical residents in the future. •We developed a low-cost, low-threshold training model for vascular suturing skills.•We validated our model in a single-blinded, RCT with fifty 5th year medical students.•We used a vascular surgery-specific modification of the OSATS score.•We demonstrated an increase in technical skills and confidence.•Our data suggests comparable results to the conventional model.
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The first two authors contributed equally.
ISSN:2589-8450
2589-8450
DOI:10.1016/j.sopen.2024.07.003