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Presentation of automated procedural guidance in surgical simulation: results of two randomised controlled trials

Published online by Cambridge University Press:  24 January 2018

S Wijewickrema*
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Australia
Y Zhou
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Australia
I Ioannou
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Australia
B Copson
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Australia
P Piromchai
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Australia Department of Otorhinolaryngology, Khon Kaen University, Thailand
C Yu
Affiliation:
Department of Otolaryngology, Nanjing University, China
R Briggs
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Australia
J Bailey
Affiliation:
Department of Computing and Information Systems, University of Melbourne, Australia
G Kennedy
Affiliation:
Melbourne Centre for the Study of Higher Education, University of Melbourne, Australia
S O'Leary
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Australia
*
Address for correspondence: Dr Sudanthi Wijewickrema, Department of Surgery (Otolaryngology), University of Melbourne, Level 5, Royal Victorian Eye and Ear Hospital, 32, Gisborne Street, East Melbourne, VIC 3002, Australia Fax: +61 3 9663 1958 E-mail: [email protected]

Abstract

Objective:

To investigate the effectiveness and usability of automated procedural guidance during virtual temporal bone surgery.

Methods:

Two randomised controlled trials were performed to evaluate the effectiveness, for medical students, of two presentation modalities of automated real-time procedural guidance in virtual reality simulation: full and step-by-step visual presentation of drillable areas. Presentation modality effectiveness was determined through a comparison of participants’ dissection quality, evaluated by a blinded otologist, using a validated assessment scale.

Results:

While the provision of automated guidance on procedure improved performance (full presentation, p = 0.03; step-by-step presentation, p < 0.001), usage of the two different presentation modalities was vastly different (full presentation, 3.73 per cent; step-by-step presentation, 60.40 per cent).

Conclusion:

Automated procedural guidance in virtual temporal bone surgery is effective in improving trainee performance. Step-by-step presentation of procedural guidance was engaging, and therefore more likely to be used by the participants.

Type
Main Articles
Copyright
Copyright © JLO (1984) Limited 2018 

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Footnotes

Presented at the 14th Australasian Auditory Neuroscience Workshop, 4 December 2016, Hobart, Australia.

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