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Feasibility and fidelity of practising surgical fixation on a virtual ulna bone

Identifieur interne : 002823 ( Ncbi/Curation ); précédent : 002822; suivant : 002824

Feasibility and fidelity of practising surgical fixation on a virtual ulna bone

Auteurs : Justin Leblanc ; Carol Hutchison ; Yaoping Hu ; Tyrone Donnon

Source :

Canadian Journal of Surgery [ 0008-428X ] ; 2013.

RBID : PMC:3728259

English descriptors

KwdEn :
- Computer Simulation, Educational Measurement, Feasibility Studies, Fracture Fixation, Humans, Models, Biological, Orthopedics (education), Reproducibility of Results, Surveys and Questionnaires, Ulna Fractures (surgery).
MESH :
- education : Orthopedics.
- surgery : Ulna Fractures.
- Computer Simulation, Educational Measurement, Feasibility Studies, Fracture Fixation, Humans, Models, Biological, Reproducibility of Results, Surveys and Questionnaires.

Abstract

Background

Surgical simulators provide a safe environment to learn and practise psychomotor skills. A goal for these simulators is to achieve high levels of fidelity. The purpose of this study was to develop a reliable surgical simulator fidelity questionnaire and to assess whether a newly developed virtual haptic simulator for fixation of an ulna has comparable levels of fidelity as Sawbones.

Methods

Simulator fidelity questionnaires were developed. We performed a stratified randomized study with surgical trainees. They performed fixation of the ulna using a virtual simulator and Sawbones. They completed the fidelity questionnaires after each procedure.

Results

Twenty-two trainees participated in the study. The reliability of the fidelity questionnaire for each separate domain (environment, equipment, psychological) was Cronbach α greater than 0.70, except for virtual environment. The Sawbones had significantly higher levels of fidelity than the virtual simulator (p < 0.001) with a large effect size difference (Cohen d < 1.3).

Conclusion

The newly developed fidelity questionnaire is a reliable tool that can potentially be used to determine the fidelity of other surgical simulators. Increasing the fidelity of this virtual simulator is required before its use as a training tool for surgical fixation. The virtual simulator brings with it the added benefits of repeated, independent safe use with immediate, objective feedback and the potential to alter the complexity of the skill.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3728259

DOI: 10.1503/cjs.010912
PubMed: 23883510
PubMed Central: 3728259

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Justin Leblanc

<affiliation><nlm:aff id="af1-0560e91">Department of Surgery, Faculty of Medicine, University of Calgary, Calgary, Alta.</nlm:aff>
<wicri:noCountry code="subfield">Alta.</wicri:noCountry>
</affiliation>

Carol Hutchison

<affiliation><nlm:aff id="af1-0560e91">Department of Surgery, Faculty of Medicine, University of Calgary, Calgary, Alta.</nlm:aff>
<wicri:noCountry code="subfield">Alta.</wicri:noCountry>
</affiliation>

Yaoping Hu

<affiliation><nlm:aff id="af2-0560e91">Department of Computer and Electrical Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alta.</nlm:aff>
<wicri:noCountry code="subfield">Alta.</wicri:noCountry>
</affiliation>

Tyrone Donnon

<affiliation><nlm:aff id="af3-0560e91">Medical Education and Research Unit and Department of Community Health Sciences, Faculty of Medicine, University of Calgary, Calgary, Alta.</nlm:aff>
<wicri:noCountry code="subfield">Alta.</wicri:noCountry>
</affiliation>

Le document en format XML

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<author><name sortKey="Hu, Yaoping" sort="Hu, Yaoping" uniqKey="Hu Y" first="Yaoping" last="Hu">Yaoping Hu</name>
<affiliation><nlm:aff id="af2-0560e91">Department of Computer and Electrical Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alta.</nlm:aff>
<wicri:noCountry code="subfield">Alta.</wicri:noCountry>
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<author><name sortKey="Donnon, Tyrone" sort="Donnon, Tyrone" uniqKey="Donnon T" first="Tyrone" last="Donnon">Tyrone Donnon</name>
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<wicri:noCountry code="subfield">Alta.</wicri:noCountry>
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<series><title level="j">Canadian Journal of Surgery</title>
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<term>Fracture Fixation</term>
<term>Humans</term>
<term>Models, Biological</term>
<term>Orthopedics (education)</term>
<term>Reproducibility of Results</term>
<term>Surveys and Questionnaires</term>
<term>Ulna Fractures (surgery)</term>
</keywords>
<keywords scheme="MESH" qualifier="education" xml:lang="en"><term>Orthopedics</term>
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<keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Ulna Fractures</term>
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<keywords scheme="MESH" xml:lang="en"><term>Computer Simulation</term>
<term>Educational Measurement</term>
<term>Feasibility Studies</term>
<term>Fracture Fixation</term>
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>Surgical simulators provide a safe environment to learn and practise psychomotor skills. A goal for these simulators is to achieve high levels of fidelity. The purpose of this study was to develop a reliable surgical simulator fidelity questionnaire and to assess whether a newly developed virtual haptic simulator for fixation of an ulna has comparable levels of fidelity as Sawbones.</p>
</sec>
<sec><title>Methods</title>
<p>Simulator fidelity questionnaires were developed. We performed a stratified randomized study with surgical trainees. They performed fixation of the ulna using a virtual simulator and Sawbones. They completed the fidelity questionnaires after each procedure.</p>
</sec>
<sec><title>Results</title>
<p>Twenty-two trainees participated in the study. The reliability of the fidelity questionnaire for each separate domain (environment, equipment, psychological) was Cronbach α greater than 0.70, except for virtual environment. The Sawbones had significantly higher levels of fidelity than the virtual simulator (<italic>p</italic>
 < 0.001) with a large effect size difference (Cohen <italic>d</italic>
 < 1.3).</p>
</sec>
<sec><title>Conclusion</title>
<p>The newly developed fidelity questionnaire is a reliable tool that can potentially be used to determine the fidelity of other surgical simulators. Increasing the fidelity of this virtual simulator is required before its use as a training tool for surgical fixation. The virtual simulator brings with it the added benefits of repeated, independent safe use with immediate, objective feedback and the potential to alter the complexity of the skill.</p>
</sec>
</div>
</front>
</TEI>
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Feasibility and fidelity of practising surgical fixation on a virtual ulna bone

Feasibility and fidelity of practising surgical fixation on a virtual ulna bone

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Curation

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Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki