期刊
JOURNAL OF BIOMEDICAL INFORMATICS
卷 53, 期 -, 页码 261-269出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jbi.2014.11.010
关键词
Queuing system; Compartmental model; Genetic algorithm; Bed allocation optimization; Resource utilization optimization; What-if analysis
资金
- strategic Grant [POSDRU/159/1.5/S/133255]
- European Social Fund within the Sectorial Operational Program Human Resources Development
- [133255]
Scarce healthcare resources require carefully made policies ensuring optimal bed allocation, quality healthcare service, and adequate financial support. This paper proposes a complex analysis of the resource allocation in a hospital department by integrating in the same framework a queuing system, a compartmental model, and an evolutionary-based optimization. The queuing system shapes the flow of patients through the hospital, the compartmental model offers a feasible structure of the hospital department in accordance to the queuing characteristics, and the evolutionary paradigm provides the means to optimize the bed-occupancy management and the resource utilization using a genetic algorithm approach. The paper also focuses on a What-if analysis providing a flexible tool to explore the effects on the outcomes of the queuing system and resource utilization through systematic changes in the input parameters. The methodology was illustrated using a simulation based on real data collected from a geriatric department of a hospital from London, UK. In addition, the paper explores the possibility of adapting the methodology to different medical departments (surgery, stroke, and mental illness). Moreover, the paper also focuses on the practical use of the model from the healthcare point of view, by presenting a simulated application. (C) 2014 Elsevier Inc. All rights reserved.
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