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Turnover Time Between Elective Operative Cases: Does the Witching Hour Exist for the Operating Room?

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Area of Science:

  • Healthcare Management
  • Surgical Operations
  • Health Services Research

Background:

  • Efficient operating room (OR) management is crucial for healthcare economics.
  • Resource allocation directly impacts hospital revenue and expenditure.
  • Optimizing OR processes is essential for financial sustainability.

Purpose of the Study:

  • To evaluate the impact of surgical, anesthesiology, and nursing team composition on OR turnover time (TOT).
  • To determine the influence of the time of day on OR efficiency.
  • To identify factors affecting operating room turnover time.

Main Methods:

  • Retrospective review of elective surgical cases (July 2017–March 2018).
  • Analysis of 2174 cases across 13 specialties at a single academic hospital.
  • Multivariate regression to identify predictors of TOT.

Main Results:

  • Consistent surgical teams (specialty, surgeon, anesthesiologist) were associated with lower TOT.
  • Cases completed before 1400 demonstrated significantly reduced TOT.
  • A cutoff time of 1400 showed high sensitivity and specificity for predicting TOT differences.

Conclusions:

  • The time of day significantly influences OR turnover time.
  • Staffing patterns and scheduling impact OR efficiency.
  • Further research is needed to optimize OR operations and reduce costs.