Abstract
To improve the utilization efficiency of health care services, the concept of a "regional medical consortium" has attracted more attention during the most recent round of health care reform in China. Shanghai, a municipality of China, has made many efforts to promote its regional medical consortium project. In this paper, the pediatric medical consortium of Shanghai will serve as an example to introduce the main tasks and groundwork of the Shanghai medical consortium and will underscore Shanghai's exploration of the vertical integration of medical resources. This study delimits the service areas of leading hospitals, which can help determine the spheres of influence of top hospitals geographically. With this information, regional hospitals or community hospitals can find alliance hospitals and leading hospitals more easily. These efforts can be realized using ArcGIS for spatial data analysis. According to the locations of leading hospitals and actual patient distributions at these hospitals, the natural areas of influence of leading hospitals are illustrated. Then, hospitals other than leading hospitals can select allied hospitals in the same area of influence. In this way, connections in a medical consortium will be tighter, and hospitals will be better able to meet the actual demands of patients. In this paper, we introduce a geographic method to delimit the spheres of influence of hospitals based on actual health-seeking behaviors of patients by analyzing the spatial distribution of hospitalization probability. Within the boundaries of a sphere of influence, a geographic connection between the leading hospital and the general hospital is established automatically. Based on this geographic connection, leading hospitals should provide technological support to general hospitals located in their sphere of influence, while the general hospitals should provide spare medical resources in return. Thus, the medical consortium can be formed geographically and operate more smoothly.
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