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A MIP Model for Rolling Horizon Surgery Scheduling.

Li Luo¹, Yong Luo¹, Yang You¹

¹Sichuan University, Chengdu, China.

Journal of Medical Systems

|April 14, 2016

Summary

This summary is machine-generated.

This study introduces a rolling horizon scheduling model (RSM) to optimize operating room utilization. The RSM significantly improves operating room usage compared to traditional non-rolling scheduling models (NRSM).

Keywords:

MIP Rolling horizon scheduling Surgery scheduling

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Area of Science:

Operations Research
Healthcare Management
Medical Informatics

Background:

Current surgery scheduling, often done one day in advance, leads to unbalanced operating room occupancy due to a lack of comprehensive planning.
This inefficiency results in underutilization and potential delays in surgical procedures.

Purpose of the Study:

To develop and evaluate a rolling horizon mixed integer programming model for surgical scheduling.
To compare the effectiveness of the proposed rolling horizon scheduling model (RSM) against a non-rolling scheduling model (NRSM) in optimizing operating room utilization.

Main Methods:

Developed a non-rolling scheduling model (NRSM) and a rolling horizon scheduling model (RSM) incorporating cyclic surgical requests and daily updates.
Utilized surgical data from five departments at West China Hospital (WCH), simulating surgical demands to compare the two models.
Employed mixed integer programming techniques within the rolling horizon framework.

Main Results:

The rolling horizon scheduling model (RSM) demonstrated a significantly higher average operating room utilization rate compared to the non-rolling scheduling model (NRSM).
RSM enables more flexible planning for unscheduled surgeries, effectively minimizing operating room idle time.
The study highlights that daily demand variation significantly impacts surgery scheduling quality.

Conclusions:

The rolling horizon scheduling model (RSM) is a superior strategy for balancing operating room occupancy and enhancing overall efficiency.
Implementing RSM can lead to substantial improvements in healthcare resource management and patient throughput.
Optimized surgical scheduling through advanced modeling is crucial for efficient hospital operations.