Objective Psychomotor Skills Assessment of Experienced, Junior,
and Novice Laparoscopists with Virtual Reality |
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Authors: | Anthony G Gallagher PhD Karen Richie BSc Neil McClure MD Jim McGuigan |
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Institution: | (1) The Northern Ireland Centre for Endoscopic Training and Research and The Queen's University of Belfast, Malone Road, Belfast BT7 1NN, United Kingdom, UK |
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Abstract: | Objective assessment of psychomotor
skills in surgery is now a priority; however, this assessment is
difficult to achieve because of measurement difficulties associated
with the reliability and validity of assessing surgical skills in vivo
and in the laboratory. In this study virtual reality (VR) was used to
overcome these problems in the objective psychomotor assessment of
senior, junior, and novice laparoscopists. Twelve experienced
laparoscopic surgeons (performed >50 Minimal Access Surgery (MAS)
procedures), 12 inexperienced laparoscopic surgeons (<10 MAS
procedures), and 12 laparoscopic novices (no MAS procedures)
participated in the study. Each subject completed all six tasks of the
Minimally Invasive Surgical Trainer; Virtual Reality (MIST VR). In
comparison to the other groups, experienced laparoscopic surgeons
performed the tasks significantly (p < 0.01) faster,
had a lower error rate, were more economic in their movement of
surgical instruments and in the use of diathermy. As a group they also
showed greater consistency in their performance. MIST VR distinguished
between the three groups of laparoscopists. VR provides a useful
objective assessment tool for evaluating psychomotor skills for
laparoscopic surgery. |
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Keywords: | |
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