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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 ,
Y Zhou ,
I Ioannou ,
B Copson ,
P Piromchai ,
C Yu ,
R Briggs ,
J Bailey ,
G Kennedy  and
S O'Leary
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: swijewickrem@unimelb.edu.au
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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.

Keywords

Virtual RealityComputer SimulationTemporal BoneSurgerySimulation Training
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 132 , Issue 3 , March 2018 , pp. 257 - 263
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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