Using optimization to provide decision support for strategic emergency medical service planning – Three case studies

Andersson, Henrik; Granberg, Tobias Andersson; Christiansen, Marielle; Aartun, Eirik Skorge; Leknes, Håkon

doi:10.1016/j.ijmedinf.2019.103975

Cited by 38 publications

(28 citation statements)

References 36 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…technology integrates Internet, wireless communication, mobile positioning, and GIS [14][15][16]. As mobile phones become an indispensable part of our lives, the mobile service market has an increasingly urgent need for using mobile phones to implement location information.…”

Section: Location-based Service Location-based Service (Lbs)mentioning

confidence: 99%

Cross-Cultural Communication of Regional Images Based on Multimodal Discourse Analysis and Network Security

Wang

2021

Mobile Information Systems

View full text Add to dashboard Cite

Numerous evaluation methods are used as effective indicators for the cross-cultural communication of a regional image. However, because these indicators are primarily in a foreign cultural situation, it is challenging to measure their attitudes and cognitions across geographic distances and cultural differences. This challenge motivated us to combine cultural communication methods and modern location service technology to carry out regional image communication research. First, this article examines the basic process of cross-cultural communication and the generation of regional images from an information transmission and network security perspective. It combines multimodal discourse to analyze influencing factors and establishes a hierarchical model of the cross-cultural communication indicator system. Secondly, based on the location-based service (LBS), this article adds scene information to develop a user tendency model. This model effectively handles the conversion between two-dimensional scoring space and three-dimensional tendency space and can adapt to the short-term changes of users' tendency. The experimental results verify that the location-based e-commerce recommendation algorithm proposed in this paper can better solve information overload and obtain a significant recommendation effect.

show abstract

Section: Location-based Service Location-based Service (Lbs)mentioning

confidence: 99%

Cross-Cultural Communication of Regional Images Based on Multimodal Discourse Analysis and Network Security

Wang

2021

Mobile Information Systems

View full text Add to dashboard Cite

show abstract

“…Three severity levels of calls are applied. In [10] the authors experiment with the model introduced in [9] to propose the location of ambulance stations and allocation of ambulances to these stations under three scenarios. Two of them are associated with the changes in the organization of EMS, the third case study is concerned with time varying demand.…”

Section: Relevant Literaturementioning

confidence: 99%

Coverage versus response time objectives in ambulance location

Jánošíková

Jankovič

Kvet

et al. 2021

Preprint

View full text Add to dashboard Cite

Background: This paper deals with the location of emergency medical stations in a large-scale area. Operations research tools are used to design a new infrastructure that reflects demographic changes.Methods: A bi-criteria mathematical programming model is proposed. The criteria include the accessibility of high-priority patients in a short time limit and response time of all patients. The model is compared with the p-median model with a single response time objective and with a hierarchical pq-median model that considers different vehicle types. A detailed computer simulation model is used to evaluate the solutions.Results: The methodology is verified in the conditions of the Slovak Republic using real historical data on ambulance trips. Considerable improvements regarding the average response time, coverage of population and coverage of high-risk patients can be achieved by redistributing current stations. In a large-scale area, the coverage objective does not work well. It does not outperform the response time objective that enables saving more lives. The best results are achieved by the hierarchical median-type model.Conclusions: The resulting distribution of ambulances significantly improves the accessibility of urgent health care to patients.

show abstract

“…Zhang et al 26 improved a model for the preventive health care facility network design considering the congestion in demand points. Andersson et al 27 investigated the location of medical emergency service using a spetial analysis and optimization method. Gu et al 38 developed a location allocation model to improve the equity and e ciency of access to elderly healthcare services.…”

Section: Page 3/18mentioning

confidence: 99%

A Regionalization Model to Increase Equity of Access to Perinatal Care Services

Daniali

Sepehri

Sobhani

et al. 2020

Preprint

View full text Add to dashboard Cite

BackgroundReducing neonatal mortality is one of the most important issue in developing countries. One powerful method to reduce the neonatal mortality rate is increase equity in access to health services by regionalization. This study employs national hospitalized birth data from march 2018 to march 2019 to determine the optimal number and location of Perinatal Care Services (PCS) and to manage the referral network of the region.MethodsThis research has examined effective criteria regarding PCS network design. These criteria include the equipment (number of Neonatal Intensive Care Unit (NICU) and ventilator), experts (number of neonatal expert and fellowship), gravity (actual journey of expectant mothers to hospitals), and the type of university manages hospital. Moreover, distances between demands and PCS were transformed into vehicular travel time according to the maximum speed limit in the country road network. There have been annual 315,992 hospitalized birth data. These data provided separately for each city and three types of service requirements according to the gestational age and birth weight, i.e., under 32 weeks or 1500 gram, between 32-34 weeks or 1500-2000 gram, and over 34 weeks or 2000 gram, which receive services of level I, II, and III, respectively. A model builder tool of ARC GIS software was applied to develop a three-level hierarchical location-allocation model to respond to the maximal demand in 30 (level I), 60 (level II), and 120 (level III) minuts of travel time. The developed model was then applied to serve neonates from uncovered cities. Moreover, the alternative PCS were determined for level III services to present more reliable solutions.ResultsObtained results revealed that the total 130, 121, and 86 PCS are needed to respond to demands of level I, II, III, respectively, in 373 different cities. The service level III has not covered 39 cities; hence another model assigned nearest PCS to these cities so that the travel distances from which to allocated centers were determined 173 min on average. ConclusionsRegionalization is an approach to increase spatial accessibility to health services. Finding the optimal location to implement PCS would gradually decrease neonatal mortality and morbidity. It can also reduce expenses of under-used local health centers and give better health care regarding the access to experts. In this way, regional services should be considered as a sustainable health care solution at the policy and decision-making levels of the region, national and universal healthcare network.

show abstract

Using optimization to provide decision support for strategic emergency medical service planning – Three case studies

Cited by 38 publications

References 36 publications

Cross-Cultural Communication of Regional Images Based on Multimodal Discourse Analysis and Network Security

Cross-Cultural Communication of Regional Images Based on Multimodal Discourse Analysis and Network Security

Coverage versus response time objectives in ambulance location

A Regionalization Model to Increase Equity of Access to Perinatal Care Services

Contact Info

Product

Resources

About