Opioid use after adult spinal deformity surgery: Patterns of cessation and associations with preoperative use

Mark Ren, Barry R. Bryant, Andrew B. Harris, Khaled M. Kebaish, Lee H. Riley, David B. Cohen, Richard L. Skolasky, Brian J. Neuman

Research output: Contribution to journalArticlepeer-review

Abstract

OBJECTIVE The objectives of the study were to determine, among patients with adult spinal deformity (ASD), the following: 1) how preoperative opioid use, dose, and duration of use are associated with long-term opioid use and dose; 2) how preoperative opioid use is associated with rates of postoperative use from 6 weeks to 2 years; and 3) how postoperative opioid use at 6 months and 1 year is associated with use at 2 years. METHODS Using a single-center, longitudinally maintained registry, the authors identified 87 patients who underwent ASD surgery from 2013 to 2017. Fifty-nine patients reported preoperative opioid use (37 high-dose [≥ 90 morphine milligram equivalents daily] and 22 low-dose use). The duration of preoperative use was long-term (≥ 6 months) for 44 patients and short-term for 15. The authors evaluated postoperative opioid use at 6 weeks, 3 months, 6 months, 1 year, and 2 years after surgery. Multivariate logistic regression was used to determine associations of preoperative opioid use, dose, and duration with use at each time point (alpha = 0.05). RESULTS The following preoperative factors were associated with opioid use 2 years postoperatively: any opioid use (adjusted odds ratio [aOR] 14, 95% CI 2.5-82), high-dose use (aOR 7.3, 95% CI 1.1-48), and long-term use (aOR 17, 95% CI 2.2-123). All patients who reported high-dose opioid use at the 2-year follow-up examination had also reported preoperative opioid use. Preoperative high-dose use (aOR 247, 95% CI 5.8-10,546) but not long-term use (aOR 4.0, 95% CI 0.18-91) was associated with high-dose use at the 2-year follow-up visit. Compared with patients who reported no preoperative use, those who reported preoperative opioid use had higher rates of use at each postoperative time point (from 94% vs 62% at 6 weeks to 54% vs 7.1% at 2 years) (all p < 0.001). Opioid use at 2 years was independently associated with use at 1 year (aOR 33, 95% CI 6.8-261) but not at 6 months (aOR 4.3, 95% CI 0.95-24). CONCLUSIONS Patients' preoperative opioid use, dose, and duration of use are associated with long-term use after ASD surgery, and a high preoperative dose is also associated with high-dose opioid use at the 2-year follow-up visit. Patients using opioids 1 year after ASD surgery may be at risk for long-term use.

Original languageEnglish (US)
Pages (from-to)490-495
Number of pages6
JournalJournal of Neurosurgery: Spine
Volume33
Issue number4
DOIs
StatePublished - Oct 2020

Keywords

  • Adult spinal deformity
  • Morphine equivalent dose
  • Opioid use
  • Outcomes

ASJC Scopus subject areas

  • Surgery
  • Neurology
  • Clinical Neurology

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