“…The vast majority of these potentially catastrophic complications are evident within 6 hours of surgery. 5,6 In a cohort of 1000 patients undergoing 1-2-level outpatient ACDF, only 8 (0.8%) patients were transferred to the hospital to manage complications, including pain (3), chest pain (2), intraoperative cerebrospinal fluid leak (1), hematoma (1), and profound weakness requiring reoperation (1). All of these complications were identified within the 4-hour window.…”