Identifying peripheral nerve surgery (PNS) competencies is crucial to ensure adequate resident training exposure. No systematic evaluation currently exits for technical aspects of neurosurgical training in the US, and only recently has a Competence by Design (CBD) curriculum been implemented in Canada. We examine peripheral nerve surgery training at neurosurgical centers in the US and Canada to compare resident-reported competency with PNS exposure. Reported competency results are also compared to resident technical abilities in performing 3 peripheral nerve coaptations (PNC).
Self-reported competency and exposure were evaluated by questionnaire completion at a large, academic, US neurosurgical center, as well as across Canada. Exposure and competency were correlated with procedure-based skills from three PNC using small (2-3mm), cadaveric specimens: direct-nerve (DS), connector-assisted (CA), and connector-only (CO) repair. Variables collected included: time-to-completion, sutures required, and nerve-handling from video-analysis, blinded visual-analog-grading by 3 judges, and training level. ANOVA/2-way ANOVA (parametric) and Kruskal-Wallis/Mann-Whitney (non-parametric) analyses with post-hoc testing were completed. Statistical significance was set at P<0.05.
Results:
Training level and PNS exposure were significantly correlated (P<0.01); senior residents report more exposure to cubital-tunnel release (P<0.01), brachial-plexus surgery (P=0.01), direct-nerve-repair (P=0.03), and nerve-transfer (P=0.02).
No difference was observed between training level and PNC grading (p=0.41), although a between-group difference was seen for the type of PNC: DS and CA (median quality for both: fair) repairs scored better than CO (median: poor) (p=0.02 and p<0.01, respectively).
A discrepancy was observed between trainee self-reported PNS competency and PNS exposure that increased upon training level stratification.
Conclusion:
Despite more exposure and a higher perceived PNS-related competency in senior residents, no difference was seen between senior/junior residents in PNC quality. A discrepancy in PNS-case exposure and perceived competency exists. This information will provide insight into the direction of PNS training, and its role in the implementation of a CBD curriculum 1)