• World Neurosurg · Jun 2022

    A Retrospective Comparative Analysis of Perioperative Complications in Navigated Versus Conventional Thoracolumbar Fusion in the Setting of Adult Spinal Deformity.

    • Darius Ansari, Justin T DesLaurier, Zayed Almadidy, Nauman S Chaudhry, and Ankit I Mehta.
    • Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA.
    • World Neurosurg. 2022 Jun 1; 162: e616e625e616-e625.

    ObjectiveStereotactic intraoperative computer-assisted navigation has been shown to improve pedicle screw accuracy in spinal fusion surgery, but evidence of impact of navigation on clinical outcomes is lacking. The aim of this study is to compare rates of perioperative complications between navigated and nonnavigated procedures for deformity correction.MethodsAn administrative database was queried for adult patients undergoing thoracolumbar fusion procedures for deformity. Nonelective cases and those involving malignancy, infection, or trauma were excluded. Individuals were divided into 2 cohorts based on the use of stereotactic intraoperative navigation and paired 1:1 for comparison based on a propensity score matching algorithm. Rates of unplanned reoperation and other perioperative complications were compared between matched groups. A multivariable Cox regression model was constructed to identify the impact of navigation on specific subgroups.ResultsA total of 6150 patients met eligibility criteria for the study; after propensity score matching, 456 patients who underwent conventional fusion were matched to 456 patients receiving intraoperative navigation. Navigated cases took an average of 30 minutes longer than nonnavigated cases. There were no significant differences in rates of complications between cohorts. A subgroup analysis revealed that use of navigation was associated with decreased hazard for reoperation in individuals undergoing interbody fusion.ConclusionsDespite increased surgical duration, the use of navigation does not seem to significantly impact rates of perioperative complications outside of procedures involving interbody fusion. Surgeons should elect to use navigation in cases expected to be of high operative complexity at their own discretion.Published by Elsevier Inc.

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