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Retrospective Cohort Study OBJECTIVE. To determine that rates of preoperative opioid use in patients undergoing single-level ACDF without myelopathy and determine the association with reoperations over 5 years SUMMARY OF BACKGROUND DATA. Preoperative opioid use before cervical spine surgery has been linked to worse postoperative outcomes. However, no studies have determined the association of duration and type of opioid used with reoperations after anterior discectomy and fusion (ACDF). Patients undergoing single-level ACDF without myelopathy between 2007 a