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- Drew Sturgill, Justine How, Timothy Blajda, Zachary Davis, Mir Ali, Geoffrey O'Malley, Nitesh V Patel, Mohammed F Khan, and Ira Goldstein.
- Department of Neurosurgery, Hackensack Meridian School of Medicine, Nutley, New Jersey, USA. Electronic address: drew.sturgill@hmhn.org.
- World Neurosurg. 2024 Aug 9; 191: 819081-90.
ObjectiveSpinal fusion surgery is known to be an expensive intervention. Although innovative technologies in the field aim at improving operative efficiency and outcomes, total costs must be considered. The authors hope to elucidate any differences between robot-assisted (RA) and computed tomography navigation (CT-nav) or freehand fluoroscopy-guided (FFG) pedicle screw placement in relation to patient outcomes and cost-effectiveness in lumbar fusion surgery (LFS).MethodsFollowing the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, the authors performed a systematic review to identify studies comparing clinical outcomes between CT-nav or RA versus FFG in LFS patients. All included studies utilized bilateral pedicle screws. Statistical analysis was performed using R.ResultsOf the 1162 identified studies, 5 were included in the analysis. Direct evidence showed that RA decreased hospital length of stay when compared to FFG (mean difference [MD]: -2.67 days; 95% confidence interval [CI]: -4.25 to -1.08; P < 0.01). Indirect evidence showed that RA decreased operative time when compared to CT-nav (MD: -65.57 minutes; 95% CI: -127.7 to -3.44; P < 0.05). For estimated blood loss, direct evidence showed that RA was superior to FFG (MD: -120.62 mL; 95% CI: -206.39 to -34.86; P < 0.01). However, no significant difference was found between RA and CT-nav for estimated blood loss (MD: 14.88 mL; 95% CI: -105.54 to 135.3; P > 0.05). There were no other significant differences in Oswestry Disability Index, visual analog scale, or complication or reoperation rates between RA and FFG or CT-nav.ConclusionsThis study shows that RA pedicle screw placement in LFS provides similar patient outcomes to CT-nav and FFG. Robot-assisted operations were found to give rise to cost savings via decreased length of stay when compared to both CT-nav and FFG techniques. Cost-savings of $4086-$4865/patient and $7317-$9654/patient could be achieved when utilizing RA over CT-nav and FFG, respectively. However, extra upfront and maintenance costs may impact full adoption of RA in LFS.Copyright © 2024 Elsevier Inc. All rights reserved.
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