Journal
JOURNAL OF ORTHOPAEDIC SCIENCE
Volume 28, Issue 5, Pages 961-965Publisher
ELSEVIER
DOI: 10.1016/j.jos.2022.06.012
Keywords
Spine robotic system; Robotic-assisted pedicle screw placement; Robotic-assisted spine surgery; Expert surgeon; Junior surgeon; Deviation rate of pedicle screw; Insertion time
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The study aimed to compare the deviation rate and insertion time of robotic-assisted pedicle screw placement between junior surgeons and expert surgeons. There were no significant differences between the two groups, indicating that junior surgeons can effectively use robotic-assisted pedicle screw placement.
Background: The purpose of this study was to verify whether a spine robotic system was useful for junior surgeons.Methods: Twenty-seven patients underwent posterior spinal fusion with open surgery using a spine robotic system (Mazor X Stealth Edition, Medtronic Inc., Dublin, Ireland) from April to August 2021. Pedicle screw insertions were performed by five surgeons. The surgeon and insertion time were recorded for each pedicle screw. Two surgeons who are board-certified spine surgeons by the Japanese Society for Spine Surgery and Related Research (JSSR) were defined as the expert surgeon group. Three surgeons who were training to acquire qualifications as JSSR board certified spine surgeons were defined as the junior surgeon group. In postoperative CT images, the deviation of 255 pedicle screws was evaluated using the Gertzbein-Robbins (GR) grades.Results: In the expert surgeon group, the GR grades were Grade A for 79 screws (90.8%), Grade B for 6 (6.9%), Grade C for 2 (2.3%), and 0 (0%) for Grades D and E. I In the junior surgeon group, the GR grades were Grade A for 162 screws (96.4%), Grade B for 6 (3.6%), and 0 (0%) for Grades C, D, and E. There was no significant difference in the deviation rate between surgeon groups (p = 0.08). The mean insertion times were 174.5 +/- 83.0 s in the expert surgeon group and 191.0 +/- 111.0 s in the junior surgeon group. There was no significant difference in the insertion time between surgeon groups (p = 0.22).Conclusions: There were no significant differences in the deviation rate and the insertion time of robotic-assisted pedicle screw placement between expert surgeons and junior surgeons who were training to acquire qualifications as JSSR board certified spine surgeons. Robotic-assisted pedicle screw placement can be effectively employed by junior surgeons.(c) 2022 The Japanese Orthopaedic Association. Published by Elsevier B.V. All rights reserved.
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