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A Simulation Optimisation Approach for Managing Bed Capacity in an Intensive Care Unit

Author

Listed:
  • Israa Mohamed

    (Decision Support Department, Faculty of Computers and Informatics, Zagazig University, Zagazig, Egypt)

  • Rania Hussein

    (#x2020;Decision Support Department, Higher Technological Institute, 10th of Ramadan, Cairo, Egypt)

Abstract

Determining the optimal number of beds in a hospital unit is often a very critical task. Patients’ number of arrivals and length of stay are random variables which necessitates the treatment with the number of patients at hospital as a stochastic process, and thus adding to the complexity of the bed sizing problem. The optimal number of beds is affected by some critical parameters such as target utilisation level, admission rate and target service level. This study applies a discrete event simulation model to approximate the true relationships between different control parameters and optimal number of beds. A goal programming model is then solved to find the optimal number of beds that maintains minimal deviation from target admission and utilisation levels. Data have been collected for the calendar year 2019 and then analysed and used in the simulation model. Mathematical relationships are then embedded in a multiobjective optimisation model that finds the optimal number of beds in an Intensive Care Unit that minimises the deviations from a pre-specified service and beds utilisation levels.

Suggested Citation

  • Israa Mohamed & Rania Hussein, 2021. "A Simulation Optimisation Approach for Managing Bed Capacity in an Intensive Care Unit," Journal of Information & Knowledge Management (JIKM), World Scientific Publishing Co. Pte. Ltd., vol. 20(01), pages 1-14, March.
    • Handle: RePEc:wsi:jikmxx:v:20:y:2021:i:01:n:s0219649221500015
    DOI: 10.1142/S0219649221500015
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