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. 2019 Oct:129 Suppl 3:S1-S11.
doi: 10.1002/lary.28098. Epub 2019 Jul 1.

Development of augmented-reality applications in otolaryngology-head and neck surgery

Austin S Rose  1 , Hyounghun Kim  2 , Henry Fuchs  2 , Jan-Michael Frahm  2
Affiliations

Development of augmented-reality applications in otolaryngology-head and neck surgery

Austin S Rose et al. Laryngoscope. 2019 Oct.

Abstract

Objectives/hypothesis: Augmented reality (AR) allows for the addition of transparent virtual images and video to one's view of a physical environment. Our objective was to develop a head-worn, AR system for accurate, intraoperative localization of pathology and normal anatomic landmarks during open head and neck surgery.

Study design: Face validity and case study.

Methods: A protocol was developed for the creation of three-dimensional (3D) virtual models based on computed tomography scans. Using the HoloLens AR platform, a novel system of registration and tracking was developed. Accuracy was determined in relation to actual physical landmarks. A face validity study was then performed in which otolaryngologists were asked to evaluate the technology and perform a simulated surgical task using AR image guidance. A case study highlighting the potential usefulness of the technology is also presented.

Results: An AR system was developed for intraoperative 3D visualization and localization. The average error in measurement of accuracy was 2.47 ± 0.46 millimeters (1.99, 3.30). The face validity study supports the potential of this system to improve safety and efficiency in open head and neck surgical procedures.

Conclusions: An AR system for accurate localization of pathology and normal anatomic landmarks of the head and neck is feasible with current technology. A face validity study reveals the potential value of the system in intraoperative image guidance. This application of AR, among others in the field of otolaryngology-head and neck surgery, promises to improve surgical efficiency and patient safety in the operating room.

Level of evidence: 2b Laryngoscope, 129:S1-S11, 2019.

Keywords: Augmented reality; image guidance; otolaryngology; three dimensional; virtual.

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References

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