Evaluation of an augmented reality platform for austere surgical telementoring: a randomized controlled crossover study in cricothyroidotomies

Abstract Telementoring platforms can help transfer surgical expertise remotely. However, most telementoring platforms are not designed to assist in austere, pre-hospital settings. This paper evaluates the system for telementoring with augmented reality (STAR), a portable and self-contained telemento...

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Main Authors: Edgar Rojas-Muñoz, Chengyuan Lin, Natalia Sanchez-Tamayo, Maria Eugenia Cabrera, Daniel Andersen, Voicu Popescu, Juan Antonio Barragan, Ben Zarzaur, Patrick Murphy, Kathryn Anderson, Thomas Douglas, Clare Griffis, Jessica McKee, Andrew W. Kirkpatrick, Juan P. Wachs
Format: Article
Language:English
Published: Nature Portfolio 2020-05-01
Series:npj Digital Medicine
Online Access:https://doi.org/10.1038/s41746-020-0284-9
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author Edgar Rojas-Muñoz
Chengyuan Lin
Natalia Sanchez-Tamayo
Maria Eugenia Cabrera
Daniel Andersen
Voicu Popescu
Juan Antonio Barragan
Ben Zarzaur
Patrick Murphy
Kathryn Anderson
Thomas Douglas
Clare Griffis
Jessica McKee
Andrew W. Kirkpatrick
Juan P. Wachs
author_facet Edgar Rojas-Muñoz
Chengyuan Lin
Natalia Sanchez-Tamayo
Maria Eugenia Cabrera
Daniel Andersen
Voicu Popescu
Juan Antonio Barragan
Ben Zarzaur
Patrick Murphy
Kathryn Anderson
Thomas Douglas
Clare Griffis
Jessica McKee
Andrew W. Kirkpatrick
Juan P. Wachs
author_sort Edgar Rojas-Muñoz
collection DOAJ
description Abstract Telementoring platforms can help transfer surgical expertise remotely. However, most telementoring platforms are not designed to assist in austere, pre-hospital settings. This paper evaluates the system for telementoring with augmented reality (STAR), a portable and self-contained telementoring platform based on an augmented reality head-mounted display (ARHMD). The system is designed to assist in austere scenarios: a stabilized first-person view of the operating field is sent to a remote expert, who creates surgical instructions that a local first responder wearing the ARHMD can visualize as three-dimensional models projected onto the patient’s body. Our hypothesis evaluated whether remote guidance with STAR could lead to performing a surgical procedure better, as opposed to remote audio-only guidance. Remote expert surgeons guided first responders through training cricothyroidotomies in a simulated austere scenario, and on-site surgeons evaluated the participants using standardized evaluation tools. The evaluation comprehended completion time and technique performance of specific cricothyroidotomy steps. The analyses were also performed considering the participants’ years of experience as first responders, and their experience performing cricothyroidotomies. A linear mixed model analysis showed that using STAR was associated with higher procedural and non-procedural scores, and overall better performance. Additionally, a binary logistic regression analysis showed that using STAR was associated to safer and more successful executions of cricothyroidotomies. This work demonstrates that remote mentors can use STAR to provide first responders with guidance and surgical knowledge, and represents a first step towards the adoption of ARHMDs to convey clinical expertise remotely in austere scenarios.
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spelling doaj.art-146cab5b076f45adbbd80e907a649d842023-12-02T06:49:04ZengNature Portfolionpj Digital Medicine2398-63522020-05-01311910.1038/s41746-020-0284-9Evaluation of an augmented reality platform for austere surgical telementoring: a randomized controlled crossover study in cricothyroidotomiesEdgar Rojas-Muñoz0Chengyuan Lin1Natalia Sanchez-Tamayo2Maria Eugenia Cabrera3Daniel Andersen4Voicu Popescu5Juan Antonio Barragan6Ben Zarzaur7Patrick Murphy8Kathryn Anderson9Thomas Douglas10Clare Griffis11Jessica McKee12Andrew W. Kirkpatrick13Juan P. Wachs14School of Industrial Engineering, Purdue UniversityDepartment of Computer Science, Purdue UniversitySchool of Industrial Engineering, Purdue UniversityPaul G. Allen School of Computer Science and Engineering, University of WashingtonDepartment of Computer Science, Purdue UniversityDepartment of Computer Science, Purdue UniversitySchool of Industrial Engineering, Purdue UniversityDepartment of Surgery, School of Medicine, Indiana UniversityDepartment of Surgery, School of Medicine, Indiana UniversityDepartment of Surgery, School of Medicine, Indiana UniversityNaval Medical Center PortsmouthNaval Medical Center PortsmouthDepartment of Surgery, and the Regional Trauma Services, University of CalgaryDepartment of Surgery, and the Regional Trauma Services, University of CalgarySchool of Industrial Engineering, Purdue UniversityAbstract Telementoring platforms can help transfer surgical expertise remotely. However, most telementoring platforms are not designed to assist in austere, pre-hospital settings. This paper evaluates the system for telementoring with augmented reality (STAR), a portable and self-contained telementoring platform based on an augmented reality head-mounted display (ARHMD). The system is designed to assist in austere scenarios: a stabilized first-person view of the operating field is sent to a remote expert, who creates surgical instructions that a local first responder wearing the ARHMD can visualize as three-dimensional models projected onto the patient’s body. Our hypothesis evaluated whether remote guidance with STAR could lead to performing a surgical procedure better, as opposed to remote audio-only guidance. Remote expert surgeons guided first responders through training cricothyroidotomies in a simulated austere scenario, and on-site surgeons evaluated the participants using standardized evaluation tools. The evaluation comprehended completion time and technique performance of specific cricothyroidotomy steps. The analyses were also performed considering the participants’ years of experience as first responders, and their experience performing cricothyroidotomies. A linear mixed model analysis showed that using STAR was associated with higher procedural and non-procedural scores, and overall better performance. Additionally, a binary logistic regression analysis showed that using STAR was associated to safer and more successful executions of cricothyroidotomies. This work demonstrates that remote mentors can use STAR to provide first responders with guidance and surgical knowledge, and represents a first step towards the adoption of ARHMDs to convey clinical expertise remotely in austere scenarios.https://doi.org/10.1038/s41746-020-0284-9
spellingShingle Edgar Rojas-Muñoz
Chengyuan Lin
Natalia Sanchez-Tamayo
Maria Eugenia Cabrera
Daniel Andersen
Voicu Popescu
Juan Antonio Barragan
Ben Zarzaur
Patrick Murphy
Kathryn Anderson
Thomas Douglas
Clare Griffis
Jessica McKee
Andrew W. Kirkpatrick
Juan P. Wachs
Evaluation of an augmented reality platform for austere surgical telementoring: a randomized controlled crossover study in cricothyroidotomies
npj Digital Medicine
title Evaluation of an augmented reality platform for austere surgical telementoring: a randomized controlled crossover study in cricothyroidotomies
title_full Evaluation of an augmented reality platform for austere surgical telementoring: a randomized controlled crossover study in cricothyroidotomies
title_fullStr Evaluation of an augmented reality platform for austere surgical telementoring: a randomized controlled crossover study in cricothyroidotomies
title_full_unstemmed Evaluation of an augmented reality platform for austere surgical telementoring: a randomized controlled crossover study in cricothyroidotomies
title_short Evaluation of an augmented reality platform for austere surgical telementoring: a randomized controlled crossover study in cricothyroidotomies
title_sort evaluation of an augmented reality platform for austere surgical telementoring a randomized controlled crossover study in cricothyroidotomies
url https://doi.org/10.1038/s41746-020-0284-9
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