- Open Access
Dispatch centres: what is the right population catchment size?
© Dami et al.; licensee BioMed Central. 2015
- Received: 11 February 2015
- Accepted: 19 March 2015
- Published: 9 April 2015
Literature on medical dispatch is growing, focusing mainly on efficiency (under and overtriage) and dispatch-assisted CPR. But the issue of population catchment size, functional costs and rationalization is rarely addressed. If we can observe a trend toward a decreasing number of dispatch centres in many European countries, there is today no evidence on what is the right catchment size to reach the best balance between quality of services and costs.
- Global Cost
- Qualified Personnel
- Population Catchment
- Fire Service
- Catchment Size
During the last 15 years, an increasing number of articles on medical dispatch has been published. Today, some journals are even dedicated only to this link of the chain of survival [1,2]. The main topics treated focus primarily on protocols and dispatcher effectiveness (under- and over triage) and cardiac arrest (recognition and dispatch-assisted CPR). Surprisingly, the issue of catchment population size is rarely addressed.
Dispatch centres (DCs) are considered as an essential but expensive component of many highly developed health-care systems. The number of DCs in a country, a region or a state, are usually based on local history and often related to highly decentralized health-care systems. Most communities have built their own dispatch at a time when no such service existed. Today, current technology (global positioning system or Internet access) abolishes the need for closeness between DCs and the population. It is theoretically and technically possible to serve a state/region from anywhere in the world. Foreign languages seem to be the only rational barrier to the globalization of this activity. However, most communities are reluctant to abandon their DCs, just as it is sometimes difficult to merge police forces or fire services from different states/regions, for non-rational reasons.
For example, Switzerland is a country of 41,285 km2 (15,940 square miles). It is among the richest countries in the world  and has a system of public health surpassed only by the USA in cost per capita . As in the USA  or in Germany , the health-care system is fragmented and highly decentralized. Each of the 26 states of the Swiss federation is sovereign regarding its health-care system, including its prehospital system . In 2006, there were 22 DCs for a population of 7.5 million. Each DC served on average 340,000 inhabitants. As Swiss regulation requires a minimum of two dispatchers per DC at all times, that means there were 44 dispatchers working every night in the country. As with anywhere else, there is currently pressure on costs in all health-care sectors, including prehospital systems where medical dispatch centres are expensive resources to run. This is the main reason Switzerland went from 22 DCs in 2006 to 17 today serving 8 million inhabitants.
Medical dispatch centres
Population in millions
Number of medical dispatch centres
Average population per dispatch in million
Lausanne and surroundings, Switzerland
Fort Myers and surroundings, Lee County, Florida, USA
Miami Dade County, Florida, USA
Phoenix area (Valley of the Sun), Arizona, USA
Reducing the number of DCs may contribute to improvements in recruiting, training and retaining qualified personnel, and to controlling the high costs of these structures (salaries, computer-aided dispatch systems). A lower number of DCs may, in particular, allow the number of dispatchers covering the same geographical region to be reduced, especially during night-time.
The limit to such concentration is mainly political, as most communities are reluctant to have others managing their EMS. Another limit is represented by languages, as in Switzerland, for example, where there are three linguistic regions: French, Italian and German.
Streamlining does not mean rationing. The ongoing trend observed in Europe toward reducing the number of DCs has been made possible with the evolution of technology. Streamlining may improve global costs, ease the management of human resources, and improve the quality of continuous education as it is concentrated on fewer dispatchers. As there is today a lack of data on this issue, studies and feedback are needed to allow dispatch science to evolve.
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