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At least 451 records · Page 25Linked to original sources
PubMed1997

An ontology-based multi-agent architecture for distributed health-care information systems.

Managing patients in a shared-care context is a knowledge-intensive activity. To support cooperative work in medical care, computer technology should both augment the capabilities of individual specialists and enhance their ability of interacting with each other and with computational resources. Thus, a major shift is needed from centralized first generation health-care information systems to distributed environments composed of several interconnected agents, cooperating in maintaining a full track of the patient clinical history and supporting health-care providers in all the phases of the patient-management process. This paper outlines a general methodology to make architectural choices while designing or integrating new software components into a distributed health-care information system. A particular stress is laid on the specification of shared conceptual models, or ontologies, providing agents committing to them with the common semantic foundation required for effective interoperation.

Computer Communication Networks↗
PubMed1984

Computerized patient visit data analysis for the outpatient department of Jeddah General Hospital.

Hospitals play a vital role in the service of any community. In order that they may provide good quality service efficiently and at a reasonable cost, it is essential that they be properly managed. The development of a management information system (MIS) is a sine qua non for fulfilling this kind of need. With the above realization in mind, a computerized MIS is being developed for the Jeddah General Hospital, which was started only a few years ago. This paper describes the computerized analysis of the outpatient department's data so as to report it to the management as a part of the overall MIS. First, statistics such as number of patients/clinic/day, new and follow-up cases, male and female patients, time per patient, absentees, etc., are generated. These are then analyzed by using computers and are incorporated in the reports to be presented to the management on a periodic basis. The computer programming is in BASIC language so that mini-computers may be used for this purpose. The paper also discusses the possibilities of future enlargement of this work.

Appointments and Schedules↗
PubMed2001

The construction of a public key infrastructure for healthcare information networks in Japan.

The digital signature is a key technology in the forthcoming Internet society for electronic healthcare as well as for electronic commerce. Efficient exchanges of authorized information with a digital signature in healthcare information networks require a construction of a public key infrastructure (PKI). In order to introduce a PKI to healthcare information networks in Japan, we proposed a development of a user authentication system based on a PKI for user management, user authentication and privilege management of healthcare information systems. In this paper, we describe the design of the user authentication system and its implementation. The user authentication system provides a certification authority service and a privilege management service while it is comprised of a user authentication client and user authentication serves. It is designed on a basis of an X.509 PKI and is implemented with using OpenSSL and OpenLDAP. It was incorporated into the financial information management system for the national university hospitals and has been successfully working for about one year. The hospitals plan to use it as a user authentication method for their whole healthcare information systems. One implementation of the system is free to the national university hospitals with permission of the Japanese Ministry of Education, Culture, Sports, Science and Technology. Another implementation is open to the other healthcare institutes by support of the Medical Information System Development Center (MEDIS-DC). We are moving forward to a nation-wide construction of a PKI for healthcare information networks based on it.

Computer Communication Networks↗
PubMed2005

HMIS and decision-making in Zambia: re-thinking information solutions for district health management in decentralized health systems.

At the onset of health system decentralization as a primary health care strategy, which constituted a key feature of health sector reforms across the developing world, efficient and effective health management information systems (HMIS) were widely acknowledged and adopted as a critical element of district health management strengthening programmes. The focal concern was about the performance and long-term sustainability of decentralized district health systems. The underlying logic was that effective and efficient HMIS would provide district health managers with the information required to make effective strategic decisions that are the vehicle for district performance and sustainability in these decentralized health systems. However, this argument is rooted in normative management and decision theory without significant unequivocal empirical corroboration. Indeed, extensive empirical evidence continues to indicate that managers' decision-making behaviour and the existence of other forms of information outside the HMIS, within the organizational environment, suggest a far more tenuous relationship between the presence of organizational management information systems (such as HMIS) and effective strategic decision-making. This qualitative comparative case-study conducted in two districts of Zambia focused on investigating the presence and behaviour of five formally identified, different information forms, including that from HMIS, in the strategic decision-making process. The aim was to determine the validity of current arguments for HMIS, and establish implications for current HMIS policies. Evidence from the eight strategic decision-making processes traced in the study confirmed the existence of different forms of information in the organizational environment, including that provided by the conventional HMIS. These information forms attach themselves to various organizational management processes and key aspects of organizational routine. The study results point to the need for a radical re-think of district health management information solutions in ways that account for the existence of other information forms outside the formal HMIS in the district health system.

Decision Making↗
PubMed1997

Using case management systems to integrate clinical and financial data.

Integrated delivery systems can use automated case management information systems to better manage relevant clinical and financial data across the continuum of care. Effective case management systems can help caregivers track clinical and financial information; match appropriate resources to patient needs; and analyze populations to identify risk, enhance adherence to clinical guidelines, and understand provider treatment profiles.

Case Management↗
PubMed2006

Modeling economic aspects of hospital information systems to give decision support for strategic information management.

Information systems require strategic planning in order to adapt their functionality and quality to the needs of health care organizations. Next to effectivity, cost efficiency in supplying and operating information systems is a particular objective. Hospital information systems with their technical infrastructure, their application systems and the hereby supported business functions can be described with the help of the meta model 3LGM2 and the 3LGM2 tool. The meta model and the 3LGM2 tool are extended by a generic approach to show supply and operation cost for all components of the information system and for the cost calculation between these components. This leads to the fact that all executives in hospitals are enabled to get the cost transparent which were caused by the support of the functions by the information system. The effects of planned extensions and modification of the information system can be analyzed in term of cost. In a prototypical modelling, the information system of a hospital of regular standards has been evaluated in nearly all its components and cost. An evaluation could show that information managers and executives are now delivered relevant cost information for planning, operating and control of information systems.

Decision Making, Organizational↗
PubMed1998

Choosing a managed care information system--what you need to know.

The new environment created by managed care has prompted providers to reconsider their information systems. An understanding of the market, the capabilities of various kinds of systems, and the needs of the organization can enable HIM professionals to aid their employers in making the right choices.

Administrative Personnel↗