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See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/266787725 A computer simulation model to reduce patient length of stay and to improve resource utilization rate in an eme .... Article in The International Journal of Industrial Engineering: Theory, Applications and Practice · January 2012 CITATIONS 21 READS 687 2 authors: Some of the authors of this publication are also working on these related projects: A MULTI CRITERIA DECISION MAKING MODEL FOR RISK ASSESSMENT OF TECHNOLOGY INVESTMENT PROJECT View project Muhammet Gül Tunceli Üniversitesi 30 PUBLICATIONS 197 CITATIONS SEE PROFILE Ali Fuat Guneri Yildiz Technical University 46 PUBLICATIONS 814 CITATIONS SEE PROFILE All content following this page was uploaded by Muhammet Gül on 20 October 2014. The user has requested enhancement of the downloaded file.
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International Journal of Industrial Engineering, 19(5), 221-231, 2012. ISSN 1943-­‐670X © INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING A COMPUTER SIMULATION MODEL TO REDUCE PATIENT LENGTH OF STAY AND TO IMPROVE RESOURCE UTILIZATION RATE IN AN EMERGENCY DEPARTMENT SERVICE SYSTEM Muhammet Gul 1 , Ali Fuat Guneri 2 1 Industrial Engineering Department Faculty of Engineering Tunceli University 62000, Tunceli 2 Industrial Engineering Department Mechanical Faculty Yıldız Technical University Yıldız, Be ş ikta ş , İ stanbul [email protected] Corresponding author’s e-mail: {Muhammet Gul, [email protected]} This paper presents a case study of a discrete-event simulation (DES) model of an emergency department (ED) unit in a regional university hospital in Turkey. In this paper emergency department operations of the hospital were modeled, analyzed and improved. The goal of the study is to reduce patient average length of stay (LOS) and to improve patient throughput and utilization of locations and human resources (doctors, nurses, receptionists). Some alternative scenarios in an attempt to determine optimal staff level were evaluated. These alternative approaches illustrate that vital improvement in LOS and throughput can be obtained by minor changes in shift hours and number of resources. Considering future changes in patient demand a scenario which reduces LOS and improves throughput is available in the paper. Significance: The Key Performance Indicators (KPIs) to determine and improve system performance in healthcare emergency departments consist of to reduce patient average length of stay (LOS), to improve patient throughput and resource utilization rates. Alternative scenarios and optimal staff levels are enhanced within the scope of this study. Keywords: Emergency departments, healthcare modeling, discrete event simulation, length of stay, Servicemodel (Received 8 Mar 2012; Accepted in revised form 31 Mar 2012) 1. INTRODUCTION Emergency departments (EDs) in which people consult due to many complaints and demand first medical response have vital importance in healthcare systems. Today improvements in healthcare lead to an increase in number of tools and methods. During recent years utilization of emergency department units in Turkey has heavy increased because of fast and
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