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BACKGROUND: Changing trends in surgical education and patient expectation are leading to proficiency models of progression and the use of simulators. Hip arthroscopy is increasingly performed and has a steep learning curve mainly addressed during fellowship training. The aim of this study was to assess the impact of previous generic arthroscopic experience on performance at a simulated hip arthroscopy task to both estimate the minimum case numbers that correlate with expert proficiency levels and help to guide selection for hip arthroscopy fellowships. METHODS: Fifty-two participants were recruited to a cross-sectional study. Four consultants (expert hip arthroscopists), 28 trainees (residents and fellows), and 20 novices (interns and medical students) performed a standardized bench-top simulated hip arthroscopy task. A validated global rating scale (GRS) score and motion analysis were used to assess surgical performance. Prior arthroscopic experience was recorded from surgical electronic logbooks. Receiver operating characteristic (ROC) curve analyses were conducted to identify optimum cut-points for task proficiency at both expert and competent GRS levels. RESULTS: There were significant differences (p < 0.05) between the arthroscopic ability of all experience groups based on GRS assessment and for all motion analysis metrics. There was a significant positive correlation between logbook numbers and GRS scores (p < 0.0001). ROC curve analysis demonstrated that a minimum of 610 prior arthroscopic procedures were necessary to achieve an expert GRS score, and 78 prior arthroscopic procedures were necessary for a competent score. CONCLUSIONS: Performing a basic hip arthroscopy task competently requires substantial previous generic arthroscopic experience. The numbers identified in this study provide targets for residents. Program directors appointing to hip arthroscopy fellowship training posts may find these results useful as a guide during the selection process.

Original publication

DOI

10.2106/JBJS.17.00352

Type

Journal article

Journal

J Bone Joint Surg Am

Publication Date

03/01/2018

Volume

100