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. 2012 Feb;28(2):218-24.
doi: 10.1016/j.arthro.2011.07.018. Epub 2011 Oct 28.

Diagnostic knee arthroscopy: a pilot study to evaluate surgical skills

Michael J Elliott  1 , Peter A Caprise, Amy E Henning, Christopher A Kurtz, Jon K Sekiya
Affiliations

Diagnostic knee arthroscopy: a pilot study to evaluate surgical skills

Michael J Elliott et al. Arthroscopy. 2012 Feb.

Abstract

Purpose: To develop a scoring system to evaluate individual proficiency at diagnostic knee arthroscopy.

Methods: This was a prospective blinded study. Subjects included residents in postgraduate year (PGY) 1 through PGY 5 (n = 20) and staff surgeons (n = 10). All subjects performed a diagnostic arthroscopy on a cadaveric knee. Subjects were evaluated on both completeness and time required to complete the arthroscopy. The examiner viewed the arthroscopy from a remote location and was blinded to the level of training of the subjects. During the arthroscopy, 15 areas required assessment to achieve a score of 75 points. An additional 25 points were awarded depending on the time it took to complete the arthroscopy. A maximum of 100 points were available (Total score = Arthroscopy score + Time score).

Results: Thirty subjects were divided into 3 groups: group 1 (PGY 1 or 2) (n = 12), group 2 (PGY 3, 4, or 5) (n = 8), and group 3 (staff) (n = 10). In group 1 the mean total score was 28.25 points, the mean time to complete arthroscopy was 11.9 minutes, and the mean number of structures not examined was 8.67. In group 2 the mean total score was 76 points, the mean time to complete arthroscopy was 8.2 minutes, and the mean number of structures not examined was 1.75. In group 3 the mean total score was 100 points, the mean time to complete arthroscopy was 4.6 minutes, and the mean number of structures not examined was 0. Statistically significant differences by use of an analysis of variance test were noted for the total score, total time, and number of missed structures (P < .001).

Conclusions: Using our skills assessment tool, we were able to evaluate subjects and determine their relative technical skill level in performing a diagnostic arthroscopy. This tool was able to distinguish among the novice, experienced, and expert levels in performing diagnostic arthroscopy.

Level of evidence: Level III, development of diagnostic criteria on the basis of consecutive subjects.

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