Registration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery

Abstract The accuracy of intra-operative navigation is largely dependent on the intra-operative registration procedure. Next to accuracy, important factors to consider for the registration procedure are invasiveness, time consumption, logistical demands, user-dependency, compatibility and radiation...

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Autores principales:	R. Schreurs, F. Baan, C. Klop, L. Dubois, L. F. M. Beenen, P. E. M. H. Habets, A. G. Becking, T. J. J. Maal
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/914b6ff0922b4ceea2936a45b1bfe05b
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spelling	oai:doaj.org-article:914b6ff0922b4ceea2936a45b1bfe05b2021-12-02T18:03:05ZRegistration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery10.1038/s41598-021-97706-52045-2322https://doaj.org/article/914b6ff0922b4ceea2936a45b1bfe05b2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97706-5https://doaj.org/toc/2045-2322Abstract The accuracy of intra-operative navigation is largely dependent on the intra-operative registration procedure. Next to accuracy, important factors to consider for the registration procedure are invasiveness, time consumption, logistical demands, user-dependency, compatibility and radiation exposure. In this study, a workflow is presented that eliminates the need for a registration procedure altogether: registration-free navigation. In the workflow, the maxillary dental model is fused to the pre-operative imaging data using commercially available virtual planning software. A virtual Dynamic Reference Frame on a splint is designed on the patient’s fused maxillary dentition: during surgery, the splint containing the reference frame is positioned on the patient’s dentition. This alleviates the need for any registration procedure, since the position of the reference frame is known from the design. The accuracy of the workflow was evaluated in a cadaver set-up, and compared to bone-anchored fiducial, virtual splint and surface-based registration. The results showed that accuracy of the workflow was greatly dependent on tracking technique used: the workflow was the most accurate with electromagnetic tracking, but the least accurate with optical tracking. Although this method offers a time-efficient, non-invasive, radiation-free automatic alternative for registration, clinical implementation is hampered by the unexplained differences in accuracy between tracking techniques.R. SchreursF. BaanC. KlopL. DuboisL. F. M. BeenenP. E. M. H. HabetsA. G. BeckingT. J. J. MaalNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q R. Schreurs F. Baan C. Klop L. Dubois L. F. M. Beenen P. E. M. H. Habets A. G. Becking T. J. J. Maal Registration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery
description	Abstract The accuracy of intra-operative navigation is largely dependent on the intra-operative registration procedure. Next to accuracy, important factors to consider for the registration procedure are invasiveness, time consumption, logistical demands, user-dependency, compatibility and radiation exposure. In this study, a workflow is presented that eliminates the need for a registration procedure altogether: registration-free navigation. In the workflow, the maxillary dental model is fused to the pre-operative imaging data using commercially available virtual planning software. A virtual Dynamic Reference Frame on a splint is designed on the patient’s fused maxillary dentition: during surgery, the splint containing the reference frame is positioned on the patient’s dentition. This alleviates the need for any registration procedure, since the position of the reference frame is known from the design. The accuracy of the workflow was evaluated in a cadaver set-up, and compared to bone-anchored fiducial, virtual splint and surface-based registration. The results showed that accuracy of the workflow was greatly dependent on tracking technique used: the workflow was the most accurate with electromagnetic tracking, but the least accurate with optical tracking. Although this method offers a time-efficient, non-invasive, radiation-free automatic alternative for registration, clinical implementation is hampered by the unexplained differences in accuracy between tracking techniques.
format	article
author	R. Schreurs F. Baan C. Klop L. Dubois L. F. M. Beenen P. E. M. H. Habets A. G. Becking T. J. J. Maal
author_facet	R. Schreurs F. Baan C. Klop L. Dubois L. F. M. Beenen P. E. M. H. Habets A. G. Becking T. J. J. Maal
author_sort	R. Schreurs
title	Registration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery
title_short	Registration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery
title_full	Registration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery
title_fullStr	Registration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery
title_full_unstemmed	Registration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery
title_sort	registration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/914b6ff0922b4ceea2936a45b1bfe05b
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Registration-free workflow for electromagnetic and optical navigation in orbital and craniofacial surgery

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