Validation of real-time inside-out tracking and depth realization technologies for augmented reality-based neuronavigation

Article Clinical Neurology

Evaluation of the precision of operative augmented reality compared to standard neuronavigation using a 3D-printed skull

Julien Haemmerli et al.

Summary: This study demonstrates the superiority of AR over NV in terms of precision. AR is user-friendly and the precision of navigation increases with the number of recalibrations using reference structures. Confidence in precision also increases with experience.

NEUROSURGICAL FOCUS (2021)

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Review Computer Science, Interdisciplinary Applications

Virtual, mixed, and augmented reality: a systematic review for immersive systems research

Matthew J. Liberatore et al.

Summary: This study aims to systematically review literature on the performance of immersive systems, evaluating applications where experiments, tests, or clinical trials have been conducted to assess the proposed application. The results identify successfully tested applications and areas for future research to evaluate the effectiveness of proposed applications.

VIRTUAL REALITY (2021)

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Review Clinical Neurology

Current Accuracy of Augmented Reality Neuronavigation Systems: Systematic Review and Meta-Analysis

Tim Fick et al.

Summary: After analyzing 35 studies, it appears that although there is disagreement on the best method to assess accuracy in ARN systems, they seem capable of achieving a level of accuracy comparable to CIN systems. Future studies should be prospective and compare TRE values, which should be measured in a standardized manner.

WORLD NEUROSURGERY (2021)

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Article Multidisciplinary Sciences

Clinical application of patient-specific 3D printing brain tumor model production system for neurosurgery

Yun-Sik Dho et al.

Summary: This study introduced a platform for patient-specific 3D-printed brain tumor model production in clinical practice, which proved to be effective in assisting neurosurgeons in surgical planning. The 3D-printed models showed significant superiority in surgical posture and craniotomy design compared to conventional magnetic resonance images, especially for less experienced neurosurgeons.

SCIENTIFIC REPORTS (2021)

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Article Clinical Neurology

Development of an inside-out augmented reality technique for neurosurgical navigation

Yun-Sik Dho et al.

Summary: With the development of 3D modeling techniques and visualization devices, augmented reality-based navigation is actively being researched. A pilot model of a newly developed inside-out tracking AR navigation system was created using visual inertial odometry algorithm. Virtual 3D patient model and 3D-printed patient model were used for validating registration accuracy, showing precision in matching errors. Fine-tuning and opacity-adjustment functions were developed for improved accuracy.

NEUROSURGICAL FOCUS (2021)

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Article Clinical Neurology

Augmented reality-assisted roadmaps during periventricular brain surgery

Florian Bernard et al.

Summary: This study described the potential standardized preoperative planning using augmented reality for brain tumor removal surgery, emphasizing the importance of preserving cognitive function with the assistance of emerging technologies.

NEUROSURGICAL FOCUS (2021)

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Article Clinical Neurology

Early Experience With Virtual and Synchronized Augmented Reality Platform for Preoperative Planning and Intraoperative Navigation: A Case Series

Robert G. Louis et al.

Summary: The study described a VR/AR platform that provides VR planning and intraoperative guidance by injecting a comprehensive AR overlay of patient-specific 360 degrees/3D anatomic model into the microscope oculars. The platform contributed positively to the 3D understanding of patient-specific anatomy, allowing for more precise craniotomy planning and execution. Manual realignment was performed in almost all surgeries, and the outcomes showed successful resections and procedures without complications.

OPERATIVE NEUROSURGERY (2021)

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Review Cell Biology

Virtual and augmented reality for biomedical applications

Mythreye Venkatesan et al.

Summary: 3D visualization technologies such as VR, AR, and MR have become popular in various domains due to their accessibility and affordability, creating an immersive experience and overcoming traditional 2D display constraints.

CELL REPORTS MEDICINE (2021)

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Review Clinical Neurology