With the development of China's economy, chronic diseases have become the biggest threat to the health of Chinese residents. The treatment of chronic diseases often takes a long time and takes up a lot of medical resources. This article introduces the chronic disease management system based on the Internet of Things technology, which allows patients to detect chronic disease-related indicators and obtain useful health guidance from the system to improve their health and thus reduce the cost of chronic disease treatment.
I. Introduction
With the improvement of people's living standards, changes in lifestyle and food culture, the prevalence of various chronic diseases has gradually increased, and it has shown a trend of rejuvenation. Chronic diseases have become the main cause of death among residents in China. According to statistics from 2000, the proportion of chronic disease mortality in China to total mortality is as high as 80.9%. On the other hand, China has entered an ageing society. One of the biggest factors affecting the quality of life of the elderly is chronic diseases. In Shanghai, for example, 73.76% of the elderly population in 2008 had chronic diseases.
Compared with other diseases, chronic diseases have the characteristics of long course of disease and prolonged disease, so intervention therapy for patients' daily life is particularly important. In the current situation of scarce medical resources in China, it is a relatively effective method to realize remote monitoring and timely prevention and treatment of high-risk groups and patients with chronic diseases by means of Internet of Things technology.
This article will introduce the chronic disease management system based on the Internet of Things and distributed service technology: Through the integration of various physical sensors, it can remotely monitor the vital signs of chronically ill patients, provide support for doctors' remote diagnosis and treatment, and also Let chronically ill patients know their health at any time in order to get timely treatment. By using the service component architecture technology, each component of the system can run independently and provide Web services, and the components are assembled by the service component architecture technology, so that the components can be independently evolved without affecting each other, and can be conveniently carried out. Function expansion.
Introduction to the second system architecture
Chronic diseases are diverse and there is no universal management model. Over time, the prevention and treatment of chronic diseases may also change. Therefore, the chronic disease management system itself must consider the flexibility and scalability of its modifications.
At present, because the Service-Oriented Architecture (SOA) is widely adopted to realize the loose coupling between various components of the system, the chronic disease management system will adopt the SOA architecture to realize the loose coupling between different components and let the components It can evolve separately according to different needs without affecting each other.
The overall system architecture is shown in Figure 1. The components in the diagram interact through Web Services (WS) to achieve loose coupling. The top half of the diagram is a system-specific component that needs to be developed by itself; the lower half is a generic component with a corresponding software implementation, just select the off-the-shelf software and publish it as a service.
The system's unique components include drug library, evidence-based medicine, personal health records, chronic disease management services, and physical sensory integration services. The chronic disease management system application interface is an integrated display component of all services. By integrating the component services provided by the background, the user can manage the chronic disease through the web interface, mobile application or other means.
The general components of the system include enterprise service bus, event stream processing, service component architecture, business process management, and diagnosis and decision-making services. These five components have corresponding software implementations. The chronic disease management system only integrates them to achieve SOA architecture. The enterprise service bus, event stream processing, and service component architecture are the foundation of the SOA architecture. The Enterprise Service Bus is used to integrate different applications. It provides a service adapter that integrates chronic disease systems with other service systems (such as HIS, electronic medical records, etc.) to solve the problem of how to interact with other medical information systems. . Event stream processing is used to monitor all events that occur in the system, and to deal with the events that occur, mainly for real-time analysis and statistics of data, which can be used for audit work. The service component architecture is used to integrate and repackage various Web services into appropriate component services, which makes it easy to extend the system to distributed services. At the same time, for service consumers, this extension is completely transparent, enabling the "service cloud" functionality, and the biggest benefit of this technology is that it can be provided without the need to spend a lot of money to create a "cloud computing" infrastructure. Similar features. Business process management, medical decision making services are used to visually create chronic disease management processes and diagnosis decisions, and apply the results to the system immediately. Because system developers often don't really understand the medical content, using these two components allows doctors to participate in the design of the system to truly meet the doctor's business needs, thereby improving the system's practicality and flexibility.
The complete architecture of the chronic disease management system emphasizes the flexibility and versatility of the SOA architecture.
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