Study of surgical performance during clavicle plate placements using 2 learning methods: naive practice versus deliberate practice - 27/11/24
Abstract |
Background |
Companionship and simple experience or naive practice (NP) rarely lead to expert level surgery, in contrast to deliberate practice (DP) where an expert analyzes the learner's errors and sets goals to improve performance. The main hypothesis was that using DP for learning would result in faster and/or greater progress than using NP.
Objectives |
The objective of this work was to compare the evolution of the learning curve for clavicle locking plate placement on a sawbone model of a clavicle fracture, by surgical trainees learning via two different methods; NP and DP.
Patients and methods |
Ten surgical residents, divided into 2 groups of 5, each placed 6 plates. The 6 trials were filmed. The NP group saw an expert video before each placement. The DP group saw this video once and then received personalized advice from the expert for improvement, by analyzing their own video after each subsequent trial.
Objective performance (OP) was measured by a standardized evaluation grid (OSATS, with a score ranging from 10 to 50 points per trial), self-evaluation of performance by a numerical scale (from 0 to 10) and stress by an analgesia-nociception index (ANI, calculated by heart rate recording, from 0 to 100).
Results |
The mean OP at the last trial of clavicle plate placement was 41.8 (NP group) and 48.2 (DP group), with a mean progression from the first to last trials of 0.8 in the NP group, and 5.1 in the DP group. The mean progression in self-evaluation between the first and last trials was 3.4 (NP group) and 4.6 (DP group). The mean progression of the ANI between the first and last trials was -4.5 (NP group) and +5 (DP group).
Discussion |
The results of learning a clavicle plate osteosynthesis technique measured by OSATS were better with deliberate practice than with naive practice.
The progression in self-evaluated performance was better with deliberate practice, but with a higher stress level.
Conclusion |
Deliberate practice is a technique for learning the surgical procedure which complements companionship and experience. It shortens the learning curve and improves the level of performance of surgical trainees.
Level of evidence |
IV; non-interventional research
Le texte complet de cet article est disponible en PDF.Keywords : Deliberate practice, Learning curve, Stress, Performance, OSATS, Clavicle
Plan
Vol 110 - N° 8
Article 103951- décembre 2024 Retour au numéro
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