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Objective structured assessment of technical skill in temporal bone dissection: validation of a novel tool

Published online by Cambridge University Press:  12 May 2021

M Stavrakas ,
G Menexes ,
S Triaridis ,
P Bamidis ,
J Constantinidis  and
P D Karkos
M Stavrakas*
Affiliation:
ENT Department, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
G Menexes
Affiliation:
Department of Field Crops and Ecology, Faculty of Agriculture, Forestry and Natural Environment, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
S Triaridis
Affiliation:
ENT Department, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
P Bamidis
Affiliation:
Laboratory of Medical Physics, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
J Constantinidis
Affiliation:
ENT Department, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
P D Karkos
Affiliation:
ENT Department, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
*
Author for correspondence: Dr Marios Stavrakas, ENT Department, Αristotle University of Thessaloniki, AHEPA Hospital, Thessaloniki Kiriakidi 1, Thessaloniki 546 21, Greece E-mail: mstavrakas@doctors.org.uk
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Abstract

Objective

This study developed an assessment tool that was based on the objective structured assessment for technical skills principles, to be used for evaluation of surgical skills in cortical mastoidectomy. The objective structured assessment of technical skill is a well-established tool for evaluation of surgical ability. This study also aimed to identify the best material and printing method to make a three-dimensional printed temporal bone model.

Methods

Twenty-four otolaryngologists in training were asked to perform a cortical mastoidectomy on a three-dimensional printed temporal bone (selective laser sintering resin). They were scored according to the objective structured assessment of technical skill in temporal bone dissection tool developed in this study and an already validated global rating scale.

Results

Two external assessors scored the candidates, and it was concluded that the objective structured assessment of technical skill in temporal bone dissection tool demonstrated some main aspects of validity and reliability that can be used in training and performance evaluation of technical skills in mastoid surgery.

Conclusion

Apart from validating the new tool for temporal bone dissection training, the study showed that evolving three-dimensional printing technologies is of high value in simulation training with several advantages over traditional teaching methods.

Keywords

OtolaryngologyOtologic Surgical ProceduresPrinting
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 135 , Issue 6 , June 2021 , pp. 518 - 528
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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Footnotes

Dr M Stavrakas takes responsibility for the integrity of the content of the paper

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