• Nikhil Jain, John L Brock, Azeem Tariq Malik, Frank M Phillips, and Safdar N Khan.
• The Ohio State University Wexner Medical Center, Columbus, Ohio.
• J Bone Joint Surg Am. 2019 Mar 6; 101 (5): 384-391.

BackgroundPreoperative opioid use results in adverse outcomes and higher costs after elective surgery. However, duration thresholds for higher risk are not entirely known. Therefore, the purpose of our study was to determine the number and duration of preoperative opioid prescriptions in order to estimate the risk of postoperative adverse events after major joint replacement and lumbar fusion.MethodsNational insurance claims data (2007 to September 30, 2015) were used to identify primary total knee arthroplasties (TKAs), total hip arthroplasties (THAs), and 1 or 2-level posterior lumbar fusions (PLFs) performed for degenerative disease. The effect of preoperative opioid burden (naive, ≤3 months, >3 to 6 months, >6 months but stopped 3 months before surgery, and >6 months of continuous use) on the risks of various adverse outcomes was studied using Cox proportional hazards analysis with adjustment for demographic and clinical covariates.ResultsA total of 58,082 patients stratified into 3 cohorts of 32,667 with TKA, 14,734 with THA, and 10,681 with 1 or 2-level PLF were included for this analysis. A duration of preoperative opioids of >3 months was associated with a higher risk of 90-day emergency department (ED) visits for all causes and readmission after TKA. Preoperative opioid prescription for >6 months was associated with a higher risk of all-cause and pain-related ED visits, wound dehiscence/infection, and hospital readmission within 90 days as well as revision surgery within 1 year after TKA, THA, and PLF. Stopping the opioid prescription 3 months preoperatively for chronic users resulted in a significant reduction in the risk of adverse outcomes, with the greatest impact seen after THA and PLF.ConclusionsPatients with a preoperative opioid prescription for up to 3 months before a major arthroplasty or a 1 or 2-level lumbar fusion had a similar risk of adverse outcomes as opioid-naive patients. While >6 months of opioid use was associated with a higher risk of adverse outcomes, a 3-month prescription-free period before the surgery appeared to mitigate this risk for chronic users.Level Of EvidenceTherapeutic Level II. See Instructions for Authors for a complete description of levels of evidence.

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