NDLI: Augmented Reality-Assisted Percutaneous Pedicle Screw Instrumentation: A Cadaveric Feasibility and Accuracy Study

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Augmented Reality-Assisted Percutaneous Pedicle Screw Instrumentation: A Cadaveric Feasibility and Accuracy Study

Content Provider	MDPI
Author	Chang, Chih-Chang Kuo, Chao-Hung Chang, Hsuan-Kan Tu, Tsung-Hsi Fay, Li-Yu Wu, Jau-Ching Cheng, Henrich Huang, Wen-Cheng
Copyright Year	2022
Description	Percutaneous pedicle screw instrumentation is the keystone of minimally invasive spine surgery. Percutaneous screw placement demands experience and relies greatly on intra-operative image guidance. This study aims to validate the feasibility and accuracy of augmented-reality (AR)-assisted percutaneous pedicle screw instrumentation. One cadaveric torso was prepared for this study. After a pre-operative computed tomography (CT) scan, the images were transferred to an AR station to generate a 3D hologram. The 3D hologram and navigation images were projected to a pair of goggles with a display screen. With registration, the 3D spine hologram was overlayed onto the cadaver. Bilateral instrumentation from T6 to L5 was performed by two surgeons using AR assistance. A post-operative CT scan was obtained. The Gertzbein–Robbins scale (grade 0–3) was used for accuracy assessment. A total of 24 screws were placed. The overall screw accuracy was 87.5%. There were three major medial breaches that occurred on Rt T6/7/8, which were the most distant screws from the iliac reference. The cause of the three major medial breaches appeared to be related to their distance from the iliac reference. AR-assisted percutaneous pedicle screw instrumentation could improve anatomical visualization, facilitate surgical workflow, and provide an intuitive way of performing surgery.
Starting Page	5261
e-ISSN	20763417
DOI	10.3390/app12105261
Journal	Applied Sciences
Issue Number	10
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2022-05-23
Access Restriction	Open
Subject Keyword	Applied Sciences Orthopedics Augmented Reality (ar) Minimally Invasive Spine Surgery (miss) 3d Hologram
Content Type	Text
Resource Type	Article

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