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Laboratory based training in urological microsurgery with bench model simulators: a randomized controlled trial
Ethan D Grober1, Stanley J Hamstra, Kyle R Wanzel
1Wilson Centre for Research in Education, Faculty of Medicine and the Division of Urology, University of Toronto, Toronto, Ontario, Canada.
The Journal of Urology
|June 18, 2004
Summary
Laboratory training in urological microsurgery using bench models significantly improves and retains technical skills in novice surgeons. Repeat practice opportunities further enhance skill retention over time.
Area of Science:
- Urology
- Surgical Education
- Microsurgery Training
Background:
- Technical skills training is crucial for novice surgeons.
- Assessing the long-term durability of skills acquired through simulation is essential.
Purpose of the Study:
- To evaluate the durability of laboratory-based technical skills training in urological microsurgery.
- To compare the retention of skills learned via bench model simulation versus didactic training.
Main Methods:
- 50 junior surgery residents underwent training: 40 with bench models (silicone tubing or rat vas deferens), 10 with didactic training alone.
- Technical performance was reevaluated 4 months post-training using a high-fidelity live animal model (vasovasostomy).
- Outcomes included blinded expert assessment of videotaped performance and anastomotic patency.
Main Results:
- Hands-on bench model training resulted in significantly higher retention test scores (checklist, global ratings) and patency rates compared to didactic training.
- Interim practice opportunities correlated significantly with improved surgical performance ratings, regardless of training type.
- Performance improvements were durable 4 months post-training.
Conclusions:
- Laboratory-based technical skills training with bench models leads to significant and durable skill retention in novice urological surgeons.
- While simulation training is effective, opportunities for repeated hands-on practice are key to maximizing skill retention.