Afternoon Surgical Start Time Is Associated with Higher Cost and Longer Length of Stay in Posterior Lumbar Fusion

Sean N. Neifert, Michael L. Martini, Jonathan S. Gal, Samuel Z. Maron, Jonathan J. Rasouli, Colin D. Lamb, Robert J. Rothrock, Ian T. McNeill, Lauren K. Grant, Lisa Genadry, Samuel K. Cho, John M. Caridi

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Background: Existing research about surgical start time is equivocal about associations between outcomes and late start times, and there is only one published report investigating start time in spine surgery. Therefore, the objective of this study was to assess associations between surgical start time, length of stay (LOS), and cost in lumbar spine surgery. Methods: Patients at a single institution undergoing posterior lumbar fusion (PLF) were grouped based on whether they received their surgery before or after 2 PM, with those receiving their surgery between 12 AM and 6 AM and receiving surgery for tumors, trauma, or infections being excluded. These 2 groups were then compared on the basis of demographics and outcomes with cost and LOS as the coprimary outcomes. Results: A total of 2977 patients underwent PLF during the study period. There were minimal differences in preoperative characteristics of the cohorts. The patients who underwent PLF starting after 2 PM had longer LOS (0.45 days; 95% confidence interval [CI], 0.18–0.72; P = 0.001) and higher costs ($1343; 95% CI, $339–$2348; P = 0.009) than cases starting before 2 PM The late surgical start cohort also had higher rates of nonhome discharge (29.73% vs. 23.17%, P = 0.0004), and 30-day (4.36% vs. 2.5%, P = 0.01) and 90-day emergency department visits (5.72% vs. 2.94%, P = 0.0005). Conclusions: Late surgical start time is associated with longer LOS and higher cost in patients undergoing PLF.

Original languageEnglish
Pages (from-to)e34-e39
JournalWorld Neurosurgery
Volume144
DOIs
StatePublished - Dec 2020

Keywords

  • Cost
  • Length of stay
  • Posterior lumbar fusion
  • Surgical start time

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