Advanced imaging and digitization of preserved heart specimens using virtual reality – A primer

Introduction : Preserved congenital heart specimens are an important component of training professionals working with children and adults with congenital heart disease. They are curated in few institutions worldwide and not freely accessible. This was a proof-of-concept project to explore the use of...

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Main Authors: Ravi V Vegulla, Animesh Tandon, Jebaraj Rathinaswamy, Kotturathu Mammen Cherian, Tarique Hussain, John S Murala
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2022-01-01
Series:Annals of Pediatric Cardiology
Subjects:
Online Access:http://www.annalspc.com/article.asp?issn=0974-2069;year=2022;volume=15;issue=4;spage=351;epage=357;aulast=Vegulla
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author Ravi V Vegulla
Animesh Tandon
Jebaraj Rathinaswamy
Kotturathu Mammen Cherian
Tarique Hussain
John S Murala
author_facet Ravi V Vegulla
Animesh Tandon
Jebaraj Rathinaswamy
Kotturathu Mammen Cherian
Tarique Hussain
John S Murala
author_sort Ravi V Vegulla
collection DOAJ
description Introduction : Preserved congenital heart specimens are an important component of training professionals working with children and adults with congenital heart disease. They are curated in few institutions worldwide and not freely accessible. This was a proof-of-concept project to explore the use of advanced cardiac imaging modalities (computed tomography [CT] and magnetic resonance imaging [MRI]) and virtual reality (VR) simulation to assess the feasibility and identify the best method of imaging curated cardiac pathology specimens. Methods : Seven specimens in glass jars with formalin, with varied anatomic lesions, from a curated collection were imaged using MRI and high-dose CT to compare the fidelity of models created via each modality. Three-dimensional (3D) models were created and loaded into a VR headset and viewed in virtual space. Two independent physicians performed a “virtual dissection” and scored the resultant models. Results : The highest fidelity and tissue characterization of more delicate structures was achieved with T2 spoiled gradient-echo sequences on MRI (median score of 4 out of 5). CT (median score of 3), while excellent for external anatomy, lost some fidelity with delicate internal anatomy, even at high-radiation doses. No specimens were damaged. Conclusions : We believe that in vitro heart specimens can be easily scanned with high fidelity at a relatively low cost, without causing damage, using high-dose CT and MRI. The ability to “walk through” different chambers of the heart makes the understanding of anatomy easy and intuitive. VR and 3D printing are technologies that could be easily adapted to digitize preserved heart specimens, making it globally accessible for teaching and training purposes.
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spelling doaj.art-fcd3416c836b4eb2927a2dbbd8a79f092023-02-16T12:02:47ZengWolters Kluwer Medknow PublicationsAnnals of Pediatric Cardiology0974-20692022-01-0115435135710.4103/apc.apc_176_21Advanced imaging and digitization of preserved heart specimens using virtual reality – A primerRavi V VegullaAnimesh TandonJebaraj RathinaswamyKotturathu Mammen CherianTarique HussainJohn S MuralaIntroduction : Preserved congenital heart specimens are an important component of training professionals working with children and adults with congenital heart disease. They are curated in few institutions worldwide and not freely accessible. This was a proof-of-concept project to explore the use of advanced cardiac imaging modalities (computed tomography [CT] and magnetic resonance imaging [MRI]) and virtual reality (VR) simulation to assess the feasibility and identify the best method of imaging curated cardiac pathology specimens. Methods : Seven specimens in glass jars with formalin, with varied anatomic lesions, from a curated collection were imaged using MRI and high-dose CT to compare the fidelity of models created via each modality. Three-dimensional (3D) models were created and loaded into a VR headset and viewed in virtual space. Two independent physicians performed a “virtual dissection” and scored the resultant models. Results : The highest fidelity and tissue characterization of more delicate structures was achieved with T2 spoiled gradient-echo sequences on MRI (median score of 4 out of 5). CT (median score of 3), while excellent for external anatomy, lost some fidelity with delicate internal anatomy, even at high-radiation doses. No specimens were damaged. Conclusions : We believe that in vitro heart specimens can be easily scanned with high fidelity at a relatively low cost, without causing damage, using high-dose CT and MRI. The ability to “walk through” different chambers of the heart makes the understanding of anatomy easy and intuitive. VR and 3D printing are technologies that could be easily adapted to digitize preserved heart specimens, making it globally accessible for teaching and training purposes.http://www.annalspc.com/article.asp?issn=0974-2069;year=2022;volume=15;issue=4;spage=351;epage=357;aulast=Vegulladigitizationpreserved heart imagingthree-dimensional modelvirtual reality
spellingShingle Ravi V Vegulla
Animesh Tandon
Jebaraj Rathinaswamy
Kotturathu Mammen Cherian
Tarique Hussain
John S Murala
Advanced imaging and digitization of preserved heart specimens using virtual reality – A primer
Annals of Pediatric Cardiology
digitization
preserved heart imaging
three-dimensional model
virtual reality
title Advanced imaging and digitization of preserved heart specimens using virtual reality – A primer
title_full Advanced imaging and digitization of preserved heart specimens using virtual reality – A primer
title_fullStr Advanced imaging and digitization of preserved heart specimens using virtual reality – A primer
title_full_unstemmed Advanced imaging and digitization of preserved heart specimens using virtual reality – A primer
title_short Advanced imaging and digitization of preserved heart specimens using virtual reality – A primer
title_sort advanced imaging and digitization of preserved heart specimens using virtual reality a primer
topic digitization
preserved heart imaging
three-dimensional model
virtual reality
url http://www.annalspc.com/article.asp?issn=0974-2069;year=2022;volume=15;issue=4;spage=351;epage=357;aulast=Vegulla
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