Objective classification of residents based on their psychomotor laparoscopic skills.

Surgical Endoscopy
Magdalena K ChmarraJenny Dankelman

Abstract

From the clinical point of view, it is important to recognize residents' level of expertise with regard to basic psychomotor skills. For that reason, surgeons and surgical organizations (e.g., Acreditation Council for Graduate Medical Education, ACGME) are calling for assessment tools that credential residents as technically competent. Currently, no method is universally accepted or recommended for classifying residents as "experienced," "intermediates," or "novices" according to their technical abilities. This study introduces a classification method for recognizing residents' level of experience in laparoscopic surgery based on psychomotor laparoscopic skills alone. For this study, 10 experienced residents (>100 laparoscopic procedures performed), 10 intermediates (10-100 procedures performed), and 11 novices (no experience) performed four tasks in a box trainer. The movements of the laparoscopic instruments were recorded with the TrEndo tracking system and analyzed using six motion analysis parameters (MAPs). The MAPs of all participants were submitted to principal component analysis (PCA), a data reduction technique. The scores of the first principal components were used to perform linear discriminant analysis (LDA), a clas...Continue Reading

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Citations

Jan 12, 2012·Surgical Endoscopy·Linde M OkkenJenny Dankelman
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Software Mentioned

MATLAB
TrEndo

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