Designing modular capacitated emergency medical service using information on ambulance trip

In this paper, we investigate the design of a two-tiered emergency medical service (EMS) system. The objective remains in determining the location and the capacity of modular ambulance stations that minimize the EMS system’s cost while respecting a pre-specified response time. A novel approach consi...

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Bibliographic Details
Published in:Operational research 2021-09, Vol.21 (3), p.1723-1742
Main Authors: Hammami, Sondes, Jebali, Aida
Format: Article
Language:English
Subjects:
Business and Management
Computational Intelligence
Emergency medical services
Emergency services
Emergency vehicles
Experimentation
Health services
Management Science
Mixed integer
Modular design
Operations Research
Operations Research/Decision Theory
Original Paper
Response time
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Summary:In this paper, we investigate the design of a two-tiered emergency medical service (EMS) system. The objective remains in determining the location and the capacity of modular ambulance stations that minimize the EMS system’s cost while respecting a pre-specified response time. A novel approach considering advanced information on ambulance trip and accounting for ambulance busy fractions is proposed. This approach is compared to its counterpart traditional approach that does not consider ambulance trip. Two mixed integer linear programs are developed. Experimentation of the two models was conducted on a real life case study. The obtained results pointed out the usefulness and superiority of the proposed approach. A cost saving of 3% is achieved in addition to the reduction in ambulance round-trip time.
ISSN:1109-2858
1866-1505
DOI:10.1007/s12351-019-00458-4