• Samuel J W White, William A Ranson, Brian Cho, Zoe B Cheung, Ivan Ye, Oscar Carrillo, Jun S Kim, and Samuel K Cho.
• Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
• Spine Deform. 2019 Sep 1; 7 (5): 779-787.

Study DesignRetrospective cohort analysis.ObjectivesTo identify the effects of preoperative steroid therapy on 30-day perioperative complications after adult spinal deformity (ASD) surgery.Summary Of Background DataChronic steroid therapy has demonstrated therapeutic effects in the treatment of various medical conditions but is also known to be associated with surgical complications. There remains a gap in the literature regarding the impact of chronic steroid therapy in predisposing patients to perioperative complications after elective surgery for ASD.MethodsWe performed a retrospective analysis of data from the 2008-2015 American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database. Patients were divided into two groups based on preoperative steroid therapy. Differences in baseline patient characteristics, comorbidities, and operative variables were assessed. Univariate analysis was performed to compare the incidence of perioperative complications. Multivariate stepwise logistic regression models were then used to adjust for baseline patient and operative variables in order to identify perioperative complications that were associated with preoperative steroid therapy.ResultsWe identified 7,936 patients who underwent surgery for ASD, of which 418 (5.3%) were on preoperative steroid therapy. Preoperative steroid therapy was an independent risk factor for four perioperative complications, including mortality (odds ratio [OR] 2.42, 95% confidence interval [CI] 1.30, 4.51; p = .005), wound dehiscence (OR 3.12, 95% CI 1.45, 6.70; p = .004), deep vein thrombosis (DVT) (OR 2.10, 95% CI 1.24, 3.55; p = .006), and blood transfusion (OR 1.34, 95% CI 1.08, 1.66; p < .007).ConclusionsPatients on preoperative steroid therapy are at increased risk of 30-day mortality, wound dehiscence, DVT, and blood transfusion after surgery for ASD. An interdisciplinary approach to the perioperative management of steroid regimens is critical.Level Of EvidenceLevel III.Copyright © 2019 Scoliosis Research Society. Published by Elsevier Inc. All rights reserved.

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