| Face, Content and Construct Validity of a Novel Robotic Surgery Simulator. | |
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MedLine Citation:
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PMID: 21784469 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: We evaluated the face, content and construct validity of the novel da Vinci® Skills Simulator™ using the da Vinci Si™ Surgeon Console as the surgeon interface. MATERIALS AND METHODS: We evaluated a novel robotic surgical simulator for robotic surgery using the da Vinci Si Surgeon Console and Mimic™ virtual reality. Subjects were categorized as novice-no surgical training, intermediate-surgical training with fewer than 100 robotic cases or expert-100 or more primary surgeon robotic cases. Each participant completed 10 virtual reality exercises with 3 repetitions and a questionnaire with a 1 to 10 visual analog scale to assess simulator realism (face validity) and training usefulness (content validity). The simulator recorded performance based on specific metrics. The performance of experts, intermediates and novices was compared (construct validity) using the Kruskal-Wallis test. RESULTS: We studied 16 novices, 32 intermediates with a median surgical experience of 6 years (range 1 to 37) and a median of 0 robotic cases (range 0 to 50), and 15 experts with a median of 315 robotic cases (range 100 to 800). Participants rated the virtual reality and console experience as very realistic (median visual analog scale score 8/10) while expert surgeons rated the simulator as a very useful training tool for residents (10/10) and fellows (9/10). Experts outperformed intermediates and novices in almost all metrics (median overall score 88.3% vs 75.6% and 62.1%, respectively, between group p <0.001). CONCLUSIONS: We confirmed the face, content and construct validity of a novel robotic skill simulator that uses the da Vinci Si Surgeon Console. Although it is currently limited to basic skill training, this device is likely to influence robotic surgical training across specialties. |
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Authors:
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Andrew J Hung; Pascal Zehnder; Mukul B Patil; Jie Cai; Casey K Ng; Monish Aron; Inderbir S Gill; Mihir M Desai |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-22 |
Journal Detail:
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Title: The Journal of urology Volume: - ISSN: 1527-3792 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0376374 Medline TA: J Urol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 American Urological Association Education and Research, Inc. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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University of Southern California Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, California. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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