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Immersive 3-Dimensional Virtual Reality Modeling for Case-Specific Presurgical Discussions in Cerebrovascular Neurosurgery

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/84221

Title: Immersive 3-Dimensional Virtual Reality Modeling for Case-Specific Presurgical Discussions in Cerebrovascular Neurosurgery
Authors: Sugiyama, Taku Browse this author →KAKEN DB
Clapp, Tod Browse this author
Nelson, Jordan Browse this author
Eitel, Chad Browse this author
Motegi, Hiroaki Browse this author
Nakayama, Naoki Browse this author
Sasaki, Tsukasa Browse this author
Tokairin, Kikutaro Browse this author
Ito, Masaki Browse this author
Kazumata, Ken Browse this author
Houkin, Kiyohiro Browse this author →KAKEN DB
Keywords: Presurgical planning
Simulation
Rehearsal
VR
Microsurgery
Aneurysm
Arteriovenous malformation
Issue Date: Mar-2021
Publisher: Oxford University Press
Journal Title: Operative neurosurgery
Volume: 20
Issue: 3
Start Page: 289
End Page: 299
Publisher DOI: 10.1093/ons/opaa335
Abstract: BACKGROUND: Adequate surgical planning includes a precise understanding of patient-specific anatomy and is a necessity for neurosurgeons. Although the use of virtual reality (VR) technology is emerging in surgical planning and education, few studies have examined the effectiveness of immersive VR during surgical planning using a modern head-mounted display. OBJECTIVE: To investigate if and how immersive VR aids presurgical discussions of cerebrovascular surgery. METHODS: A multiuser immersive VR system, BananaVision(TM), was developed and used during presurgical discussions in a prospective patient cohort undergoing cerebrovascular surgery. A questionnaire/interview was administered to multiple surgeons after the surgeries to evaluate the effectiveness of the VR system compared to conventional imaging modalities. An objective assessment of the surgeon's knowledge of patient-specific anatomy was also conducted by rating surgeons' hand-drawn presurgical illustrations. RESULTS: The VR session effectively enhanced surgeons' understanding of patient-specific anatomy in the majority of cases (83.3%). An objective assessment of surgeons' presurgical illustrations was consistent with this result. The VR session also effectively improved the decision-making process regarding minor surgical techniques in 61.1% of cases and even aided surgeons in making critical surgical decisions about cases involving complex and challenging anatomy. The utility of the VR system was rated significantly higher by trainees than by experts. CONCLUSION: Although rated as more useful by trainees than by experts, immersive 3D VR modeling increased surgeons' understanding of patient-specific anatomy and improved surgical strategy in certain cases involving challenging anatomy.
Rights: This is a pre-copyedited, author-produced version of an article accepted for publication in Operative Neurosurgery following peer review. The version of record Taku Sugiyama, Tod Clapp, Jordan Nelson, BS, Chad Eitel, BS, Hiroaki Motegi, Naoki Nakayama, Tsukasa Sasaki, RT, Kikutaro Tokairin, Masaki Ito, Ken Kazumata, Kiyohiro Houkin, Immersive 3-Dimensional Virtual Reality Modeling for Case-Specific Presurgical Discussions in Cerebrovascular Neurosurgery, Operative Neurosurgery, Volume 20, Issue 3, March 2021, Pages 289–299 is available online at: https://doi.org/10.1093/ons/opaa335
Type: article (author version)
URI: http://hdl.handle.net/2115/84221
Appears in Collections:北海道大学病院 (Hokkaido University Hospital) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 杉山 拓

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