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Emergency Undocking in Robotic Surgery: A Simulation Curriculum
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A discrete event simulation for improving operating theatre efficiency.

Hamed Hassanzadeh1, Justin Boyle1, Sankalp Khanna1

  • 1The Australian e-Health Research Centre, CSIRO, Brisbane, Queensland, Australia.

The International Journal of Health Planning and Management
|October 22, 2022
PubMed
Summary
This summary is machine-generated.

Optimizing operating theatre scheduling through discrete event simulation (DES) can significantly reduce surgery delays and cancellations. Adjusting theatre hours and turnaround times improves efficiency and patient flow, enhancing overall hospital performance.

Keywords:
critical careoperating theatre efficiencyresource managementsimulation

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Area of Science:

  • Healthcare Operations Research
  • Simulation Modeling
  • Hospital Management

Background:

  • Healthcare demand strains hospital capacity, making operating theatres critical bottlenecks.
  • Inefficient operating theatre use leads to increased costs, surgery delays, cancellations, and poorer patient outcomes.
  • Optimizing operating theatre resources is essential for managing high demand and improving healthcare delivery.

Purpose of the Study:

  • To develop and utilize a discrete event simulation (DES) model for optimizing operating theatre allocation and efficiency.
  • To assess the impact of various operational strategies on key performance indicators related to theatre utilization and patient flow.
  • To create a web-based application for interactive scenario testing and analysis of operating theatre management strategies.

Main Methods:

  • A discrete event simulation (DES) model was developed to represent patient flow through operating theatres in a metropolitan hospital.
  • Six different scenarios were evaluated, manipulating theatre case-mix, opening/closing times, and turnaround times.
  • Key performance metrics included theatre utilization, pre-operative length-of-stay, reclaimable time, and patient waiting times.

Main Results:

  • Extending operating hours by one hour reduced deferred and over-run cases by nearly half, though theatre utilization decreased.
  • A 50% reduction in turnaround time significantly improved theatre utilization and reduced case deferrals/over-runs.
  • Pooling emergency theatres decreased average wait times and delayed emergency cases without impacting overall theatre utilization.

Conclusions:

  • A DES model and web-based tool can effectively support theatre management in evaluating operational strategies.
  • Integrating simulation into theatre planning workflows can enhance utilization and reduce cancellations.
  • Optimized operating theatre management through simulation can lead to more efficient and effective hospital services.