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Updated: Apr 17, 2026

Emergency Undocking in Robotic Surgery: A Simulation Curriculum

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Published on: May 20, 2018

Improving operating room schedules.

Fei Li¹, Diwakar Gupta², Sandra Potthoff³

¹Industrial & Systems Engineering Department, University of Minnesota, Minneapolis, MN, USA.

Health Care Management Science

|February 18, 2015

Summary

This summary is machine-generated.

Hospitals can reduce operating room (OR) staffing costs by rescheduling surgeries. This study presents a new method to optimize OR utilization, leading to significant cost savings for healthcare facilities.

Keywords:

Health care operations management Math programming Operating rooms Surgery scheduling

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Area of Science:

Operations Research
Healthcare Management
Hospital Operations

Background:

Operating rooms (ORs) are a major revenue source but suffer from low utilization (60-70%).
Current block scheduling leads to significant unused OR time between surgeries.
Manual rescheduling efforts aim to reduce staffing costs but are suboptimal.

Purpose of the Study:

To develop an optimized rescheduling strategy for surgical operations.
To decrease operating room staffing costs by improving utilization.
To address the challenge of interrelated surgeries within surgeon blocks.

Main Methods:

Formulated the rescheduling problem as a variant of the bin-packing problem with interrelated items.
Developed a lower bound (LB) construction algorithm for staffing costs.
Created a branch-and-bound algorithm incorporating two shift lengths, tested on real hospital data.

Main Results:

The developed LB is proven to be at least (2/3) of the optimal staffing cost.
The branch-and-bound algorithm was tested on data from three hospitals.
Rescheduling surgeries using the proposed method demonstrated significant staffing cost reductions.

Conclusions:

Optimized rescheduling of surgical operations can substantially decrease hospital operating room staffing costs.
The proposed mathematical model and algorithm offer an effective approach to improve OR utilization.
This strategy provides a valuable tool for healthcare administrators seeking operational efficiencies.