Emergency departments II: pairing emergency severity index5-level triage data with computer aided system design to improve emergency department access and throughput

Authors:
S. Mahapatra;C. P. Koelling;L. Patvivatsiri;B. Fraticelli;D. Eitel;L. Grove
Affiliations:
Virginia Tech, Blacksburg, VA;Virginia Tech, Blacksburg, VA;Virginia Tech, Blacksburg, VA;Virginia Tech, Blacksburg, VA;York Hospital, York, PA;York Hospital, York, PA
Venue:
Proceedings of the 35th conference on Winter simulation: driving innovation
Year:
2003

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Abstract

Patient waiting times and service quality problems characterize emergency departments worldwide. The purpose of this research is to develop a reliable decision support system using the Emergency Severity Index (ESI©) triage method to drive improvements in the care delivery process, as part of a hospital Emergency Care Delivery System. Models were developed using first a relatively low fidelity software, ProcessModel, and then in Arena, a relatively high fidelity simulation software, to test new proposals for service delivery improvement in an academic ED in York Hospital, Pennsylvania, where the ESI© triage system has been implemented. This paper pairs the case mix derived from ESI© triage with simulation to support resource deployment to improve service metrics and support strategic decision making in academic EDs. The lessons learned could be re-analyzed in a simulation model more representative of a non-academic (regular hospital) ED that implements ESI© five levels triage.