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Effects of anatomical variation on trainee performance in a virtual reality temporal bone surgery simulator

Published online by Cambridge University Press:  28 October 2016

P Piromchai ,
I Ioannou ,
S Wijewickrema ,
P Kasemsiri ,
J Lodge ,
G Kennedy  and
S O'Leary
P Piromchai*
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Royal Victorian Eye and Ear Hospital, Australia Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University, Thailand
I Ioannou
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Royal Victorian Eye and Ear Hospital, Australia
S Wijewickrema
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Royal Victorian Eye and Ear Hospital, Australia
P Kasemsiri
Affiliation:
Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University, Thailand
J Lodge
Affiliation:
Centre for the Study of Higher Education, University of Melbourne, Australia
G Kennedy
Affiliation:
Centre for the Study of Higher Education, University of Melbourne, Australia
S O'Leary
Affiliation:
Department of Surgery (Otolaryngology), University of Melbourne, Royal Victorian Eye and Ear Hospital, Australia
*
Address for correspondence: Dr Patorn Piromchai, Department of Surgery (Otolaryngology), University of Melbourne, Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria 3002, Australia E-mail: patorn@gmail.com
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Abstract

Objective:

To investigate the importance of anatomical variation in acquiring skills in virtual reality cochlear implant surgery.

Methods:

Eleven otolaryngology residents participated in this study. They were randomly allocated to practice cochlear implant surgery on the same specimen or on different specimens for four weeks. They were then tested on two new specimens, one standard and one challenging. Videos of their performance were de-identified and reviewed independently, by two blinded consultant otolaryngologists, using a validated assessment scale. The scores were compared between groups.

Results:

On the standard specimen, the round window preparation score was 2.7 ± 0.4 for the experimental group and 1.7 ± 0.6 for the control group (p = 0.01). On the challenging specimen, instrument handling and facial nerve preservation scores of the experimental group were 3.0 ± 0.4 and 3.5 ± 0.7 respectively, while the control group received scores of 2.1 ± 0.8 and 2.4 ± 0.9 respectively (p < 0.05).

Conclusion:

Training on temporal bones with differing anatomies is beneficial in the development of expertise.

Keywords

Virtual RealityCochlear ImplantationTemporal BoneAnatomy
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 131 , Supplement S1 , January 2017 , pp. S29 - S35
Copyright
Copyright © JLO (1984) Limited 2016 

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