461 Outcomes and Healthcare Utilization of Adult Spinal Cord Injury Associated With Time to Surgery: An Analysis of the National Trauma Data Bank (NTDB): 2019-2021

Abstract

INTRODUCTION: Prior studies have established evidence that early surgical decompression following traumatic spinal cord injury (SCI) is associated with better outcomes. However, it is not clear whether increased time to surgery is correlated with worse complications and increased healthcare utilization. METHODS: Patients with traumatic SCIs were identified in NTDB. For surgical patients, time to surgery was extracted and patients classified by time to surgery of >=12 hours. Chi-sq and non-parametric tests were used. RESULTS: 9,987 patients with SCI were identified; 40.49% were complete. 66.24% of incomplete and 56.66% of complete had a time to surgery greater than 12 hours. Those with incomplete SCI and surgery after 12 hours had increased Injury Severity Score (ISS) (μ = 0.36), ICU length of stay (LOS) (μ = 0.91 days), days on ventilation (μ = 2.01 days), and days to discharge (μ = 1.39 days) (p < 0.005). Those with complete SCI and surgery after 12 hours had increased ICU LOS (μ = 2.7 days, p < 0.0001). Mortality rate was not positively associated with time to surgery greater than 12 hours for complete and incomplete SCI group. CONCLUSIONS: Although prior studies support earlier surgical intervention for those experiencing SCI, the majority of patients are undergoing surgery more than 12 hours after their injury. Additionally, patients with incomplete SCI waiting >=12 hours have longer ICU stay, more ventilated days, longer hospitalization, and increased ISS. Additional studies are needed to identify barriers to earlier surgery and to establish cutoff times for maximum benefit.