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Totally endoscopic cartilage tympanoplasty: a hierarchical task analysis

Published online by Cambridge University Press:  12 September 2022

R Fahy Open the ORCID record for R Fahy [Opens in a new window] ,
M Corbett ,
T Crotty Open the ORCID record for T Crotty [Opens in a new window] ,
L Chadwick  and
I Keogh
R Fahy*
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Galway, Galway, Ireland School of Medicine, National University of Ireland, Galway, Ireland
M Corbett
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Galway, Galway, Ireland School of Medicine, National University of Ireland, Galway, Ireland
T Crotty
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Galway, Galway, Ireland School of Medicine, National University of Ireland, Galway, Ireland
L Chadwick
Affiliation:
Department of Mechanical and Biomedical Engineering, National University of Ireland, Galway, Ireland
I Keogh
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Galway, Galway, Ireland School of Medicine, National University of Ireland, Galway, Ireland
*
Corresponding author: Dr Ronan Fahy; Email: ronanfahy@rcsi.com
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Abstract

Background

Totally endoscopic ear surgery is a novel method of conducting otological surgery. Hierarchical task analysis and the systematic human error reduction and prediction approach (‘SHERPA’) are valuable tools that can effectively deconstruct the technical and non-technical skills required to successfully complete a surgical procedure.

Methods

Twenty-five endoscopic tragal cartilage tympanoplasties were observed, to identify the tasks and subtasks required for completion of totally endoscopic tragal cartilage tympanoplasty. The systematic human error reduction and prediction approach was used to identify the potential risks and methods, to reduce or remediate these risks.

Results

A hierarchical task analysis was performed, identifying 8 tasks and 50 subtasks for a safe approach to completing totally endoscopic tragal cartilage tympanoplasty. A risk score for each subtask was calculated to produce a systematic human error reduction and prediction approach and to highlight potential errors.

Conclusion

This hierarchical task analysis allowed for quick reference to a correct method of endoscopic tympanoplasty. The systematic human error reduction and prediction approach was employed to reduce the risks associated with undergoing endoscopic tympanoplasty, to improve patient safety.

Keywords

Device safetyminimally invasive surgical procedurestympanoplastyergonomics
Type
Main Article
Information
The Journal of Laryngology & Otology , Volume 137 , Issue 12 , December 2023 , pp. 1326 - 1333
Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED

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Footnotes

Dr R Fahy takes responsibility for the integrity of the content of the paper

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