Does Augmented Reality Navigation Increase Pedicle Screw Density Compared to Free-Hand Technique in Deformity Surgery? Single Surgeon Case Series of 44 Patients.
Adolescent
Adult
Augmented Reality
Cohort Studies
Female
Fluoroscopy
/ methods
Humans
Imaging, Three-Dimensional
/ methods
Male
Middle Aged
Pedicle Screws
Reoperation
/ methods
Retrospective Studies
Spinal Diseases
/ diagnostic imaging
Surgeons
/ standards
Surgery, Computer-Assisted
/ methods
Thoracic Vertebrae
/ diagnostic imaging
Journal
Spine
ISSN: 1528-1159
Titre abrégé: Spine (Phila Pa 1976)
Pays: United States
ID NLM: 7610646
Informations de publication
Date de publication:
01 Sep 2020
01 Sep 2020
Historique:
pubmed:
2
5
2020
medline:
17
12
2020
entrez:
2
5
2020
Statut:
ppublish
Résumé
Retrospective comparison between an interventional and a control cohort. The aim of this study was to investigate whether the use of an augmented reality surgical navigation (ARSN) system for pedicle screw (PS) placement in deformity cases could alter the total implant density and PS to hook ratio compared to free-hand (FH) technique. Surgical navigation in deformity surgery provides the possibility to place PS in small and deformed pedicles were hooks would otherwise have been placed, and thereby achieve a higher screw density in the constructs that may result in better long-term patient outcomes. Fifteen deformity cases treated with ARSN were compared to 29 cases treated by FH. All surgeries were performed by the same orthopedic spine surgeon. PS, hook, and combined implant density were primary outcomes. Procedure time, deformity correction, length of hospital stay, and blood loss were secondary outcomes. The surgeries in the ARSN group were performed in a hybrid operating room (OR) with a ceiling-mounted robotic C-arm with integrated video cameras for AR navigation. The FH group was operated with or without fluoroscopy as deemed necessary by the surgeon. Both groups had an overall high-density construct (>80% total implant density). The ARSN group, had a significantly higher PS density, 86.3% ± 14.6% versus 74.7% ± 13.9% in the FH group (P < 0.05), whereas the hook density was 2.2% ± 3.0% versus 9.7% ± 9.6% (P < 0.001). Neither the total procedure time (min) 431 ± 98 versus 417 ± 145 nor the deformity correction 59.3% ± 16.6% versus 60.1% ± 17.8% between the groups were significantly affected. This study indicates that ARSN enables the surgeon to increase the PS density and thereby minimize the use of hooks in deformity surgery without prolonging the OR time. This may result in better constructs with possible long-term advantage and less need for revision surgery. 3.
Sections du résumé
STUDY DESIGN
METHODS
Retrospective comparison between an interventional and a control cohort.
OBJECTIVE
OBJECTIVE
The aim of this study was to investigate whether the use of an augmented reality surgical navigation (ARSN) system for pedicle screw (PS) placement in deformity cases could alter the total implant density and PS to hook ratio compared to free-hand (FH) technique.
SUMMARY OF BACKGROUND DATA
BACKGROUND
Surgical navigation in deformity surgery provides the possibility to place PS in small and deformed pedicles were hooks would otherwise have been placed, and thereby achieve a higher screw density in the constructs that may result in better long-term patient outcomes.
METHODS
METHODS
Fifteen deformity cases treated with ARSN were compared to 29 cases treated by FH. All surgeries were performed by the same orthopedic spine surgeon. PS, hook, and combined implant density were primary outcomes. Procedure time, deformity correction, length of hospital stay, and blood loss were secondary outcomes. The surgeries in the ARSN group were performed in a hybrid operating room (OR) with a ceiling-mounted robotic C-arm with integrated video cameras for AR navigation. The FH group was operated with or without fluoroscopy as deemed necessary by the surgeon.
RESULTS
RESULTS
Both groups had an overall high-density construct (>80% total implant density). The ARSN group, had a significantly higher PS density, 86.3% ± 14.6% versus 74.7% ± 13.9% in the FH group (P < 0.05), whereas the hook density was 2.2% ± 3.0% versus 9.7% ± 9.6% (P < 0.001). Neither the total procedure time (min) 431 ± 98 versus 417 ± 145 nor the deformity correction 59.3% ± 16.6% versus 60.1% ± 17.8% between the groups were significantly affected.
CONCLUSION
CONCLUSIONS
This study indicates that ARSN enables the surgeon to increase the PS density and thereby minimize the use of hooks in deformity surgery without prolonging the OR time. This may result in better constructs with possible long-term advantage and less need for revision surgery.
LEVEL OF EVIDENCE
METHODS
3.
Identifiants
pubmed: 32355149
doi: 10.1097/BRS.0000000000003518
pii: 00007632-202009010-00010
doi:
Types de publication
Comparative Study
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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